16 results for Infrastructure And Security Engineer in High Wycombe, Buckinghamshire

Principle IT Security Specialist

City of London, London
remote
Permanent
80000 - 105000 GBP / Yearly
Principle IT Security Specialist - London - Hybrid Working £80,000 - £105,000 (dependent on experience) + Equity & BenefitsHelp Build Europe's Hypersonic CapabilityThis organisation is redefining what's possible in European defence technology, delivering speed, resilience, and technological independence at a pace that sets a new standard. Operating as a small, elite, and highly capable team, it focuses on solving complex, high-impact problems quickly and effectively.They are seeking an Lead IT Security Specialist to join a talent-dense environment where every individual plays a critical role in shaping both technical direction and organisational capability. This is not a predefined role, it is an opportunity for a high-calibre security professional to take ownership of core security functions, with scope to evolve the position based on their strengths and expertise.The successful candidate will play a key role in strengthening security posture through SIEM ownership, incident response, and system hardening, directly contributing to Europe's technological sovereignty.The RoleThe IT Security Specialist will:<ul><li>Design, build, and operate a centralised SIEM platform to aggregate and analyse security logs across infrastructure, networks, and applications</li><li>Own security log analysis, vulnerability management, and incident investigation, including defining baselines and developing alerting rules for critical events</li><li>Lead incident response efforts, using log correlation and analysis to investigate and resolve security issues quickly and effectively</li><li>Define and implement system and application hardening standards, ensuring strong, consistent security configurations across environments</li><li>Act as an on-call responder for security incidents, taking full ownership from detection through to resolution and post-incident improvement</li><li>Collaborate with Information Security and leadership teams to ensure compliance with relevant standards and frameworks (e.g. Cyber Essentials, ISO 27001, DEF STAN, Grundschutz)</li><li>Develop and maintain clear documentation covering SIEM architecture, security controls, incident response procedures, and audit requirements</li></ul>Candidate ProfileThe ideal candidate will bring:<ul><li>Hands-on experience deploying and operating SIEM solutions (e.g. ELK Stack, OpenSearch, Wazuh, Microsoft Defender), with proven incident investigation experience in production environments</li><li>Strong expertise in Linux and Windows system hardening, with familiarity across frameworks such as CIS Benchmarks or STIGs</li><li>Scripting capability for automation, log parsing, and alerting rule development</li><li>Experience working within compliance-driven or regulated environments</li><li>A strong security mindset, with a focus on access control, threat detection, and auditability</li><li>The ability to balance robust security controls with operational efficiency</li><li>High levels of autonomy and sound judgement, with the ability to manage incidents end-to-end</li><li>A pragmatic, delivery-focused approach, prioritising effective security outcomes over theoretical perfection</li></ul>Security ClearanceDue to the nature of the work, applicants must be British citizens (or dual nationals with British citizenship) and eligible for UK Security Clearance (SC), with the potential requirement for Developed Vetting (DV).What's on Offer<ul><li>The opportunity to work on one of Europe's most critical and high-impact defence challenges</li><li>A high-autonomy environment with full ownership of key security capabilities</li><li>Collaboration with leading experts across engineering, operations, and defence</li><li>A fast-paced setting where ideas are implemented quickly and security improvements have immediate impact</li><li>A culture built on clarity, integrity, and excellence, supporting individuals who take initiative and operate with accountability</li><li>Competitive compensation and meaningful equity aligned to impact and responsibility</li></ul> Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/amFtZXMud2lsbHNvbi4yNTExNy4xMDkyM0ByaGkuYXBsaXRyYWsuY29t.gif">
2026-04-30T15:19:43Z

IT Systems Lead

London, London
remote
Permanent
70000 - 90000 GBP / Yearly
IT Systems Lead - London - Hybrid £70,000 - £90,000 (dependent on experience) + Equity & BenefitsHelp Build Europe's Hypersonic CapabilityThis organisation is redefining what's possible in European defence technology, delivering speed, resilience, and technological independence at a pace that sets a new standard. Operating as a small, elite, and highly capable team, it focuses on solving complex, high-impact problems quickly and effectively.They are seeking an IT Systems Lead to take ownership of core IT infrastructure and operations within a talent-dense environment where every individual has a direct impact. This is not a predefined or siloed position, it is an opportunity for a high-calibre operator to shape, build, and run IT systems from the ground up, with the autonomy to define best practice and standards.The successful candidate will play a critical role in ensuring secure, reliable, and scalable IT operations, directly contributing to the organisation's mission and Europe's broader technological independence.The RoleThe IT Systems Lead will:<ul><li>Own the Microsoft environment end-to-end, including Entra ID, Windows endpoints, Intune/Autopilot (or GPO where appropriate), and core Microsoft server services</li><li>Build and operate IT infrastructure for a UK-based engineering workshop from the ground up, including secure network access, device provisioning, and endpoint compliance</li><li>Define and implement a hardened baseline across all endpoints, including MFA enforcement, least-privilege access, patching strategies, encryption, and standardised security policies</li><li>Act as the on-site IT authority, diagnosing and resolving issues quickly, documenting outcomes, and implementing preventative measures</li><li>Partner closely with international IT teams (including Linux/Kubernetes environments) to ensure consistent identity, access, and security controls across regions</li><li>Oversight and delivery of a new UK office move</li><li>Maintain high operational standards through clear documentation, asset management, streamlined workflows, and responsive user support</li></ul>Candidate ProfileThe ideal candidate will bring:<ul><li>Proven experience owning and operating Microsoft environments in real-world settings (Entra ID, Windows endpoint management, Intune/GPO, and core server infrastructure)</li><li>A security-first mindset, with strong understanding of access control, system hardening, and auditability</li><li>The ability to operate autonomously with sound judgement, particularly in environments where they may be the sole on-site IT lead</li><li>A practical, solutions-focused approach, prioritising root cause resolution, prevention, and long-term system integrity</li><li>Experience working in fast-paced, high-performance environments where uptime, security, and delivery speed are critical</li><li>Curiosity and willingness to collaborate across technology stacks, particularly with Linux and Kubernetes-based systems</li></ul>Security ClearanceDue to the nature of the work, applicants must be British citizens (or dual nationals with British citizenship) and eligible for UK Security Clearance (SC), with the potential requirement for Developed Vetting (DV).What's on Offer<ul><li>The opportunity to contribute directly to one of Europe's most consequential defence and technology challenges</li><li>High ownership and autonomy, with full responsibility for shaping IT systems and standards</li><li>Close collaboration with leading experts across engineering, operations, and defence</li><li>A fast-paced environment where ideas are implemented quickly and outcomes matter</li><li>A culture built on clarity, integrity, and excellence, supporting individuals who take initiative and operate with accountability</li><li>Competitive compensation and meaningful equity aligned to impact and responsibility</li></ul> Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/amFtZXMud2lsbHNvbi43MTA2NS4xMDkyM0ByaGkuYXBsaXRyYWsuY29t.gif">
2026-04-30T15:26:23Z

AWS Security Architect (Financial Services Background)

City of London, London
remote
Contract
550 - 600 GBP / Daily
Interim AWS Security Architect - Hybrid / Low Latency Platform Robert Half is supporting a global consulting firm in engaging an experienced AWS Security Architect as an interim associate to support a large-scale platform re-architecture programme within a major financial services organisation. This role is focused on designing security architecture for a hybrid AWS environment (AWS Outposts + on-premise infrastructure), supporting the transformation of a global, low-latency data platform into a containerised, cloud-aligned architecture. The Security Architect will work closely with platform, network and engineering teams to define and implement security controls across infrastructure, containers and data flows, with a strong focus on design, trade-offs and real-world application rather than tooling or governance alone.Assignment Details:<ul><li>Start: c. 2-3 week onboarding lead time</li><li> Location: Hybrid London. C. 1-2 days in the office in London p/week</li><li> Contract Duration: Initial 6-month contract (strong likelihood of extension)</li><li> Day Rate: £600 p/day+12.07% via PAYE (Employer's NI & tax deducted at source - no umbrella company admin fees)</li></ul>Key Experience Needed:<ul><li>Strong experience as an AWS Security Architect within financial services (ideally banking or market data environments)</li><li>Proven ability to design security controls across hybrid cloud (on-premise + AWS) environments</li><li>Experience securing containerised platforms (EKS / Kubernetes) including workload isolation, service-to-service security and runtime considerations</li><li>Strong understanding of network security and segmentation, including east-west vs north-south traffic and private connectivity (e.g. Direct Connect)</li><li>Experience designing secure architectures for high-throughput / low-latency systems, balancing performance with security controls</li><li>Ability to define security frameworks and controls at both high-level architecture and detailed design level</li></ul>Desirable Experience:<ul><li>Exposure to AWS Outposts or similar hybrid cloud platforms</li><li>Experience replatforming monolithic systems into containerised architectures</li><li>Understanding of ransomware threats, system resilience and recovery design</li><li>Familiarity with DevSecOps and infrastructure-as-code security practices</li></ul>Additional Information: If sucesseful you will be subject to full financial and criminal background checksRobert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/Tmljb2xhcy5HZW9yZ2lvdS4zMzYzNS4xMDkyM0ByaGkuYXBsaXRyYWsuY29t.gif">
2026-04-29T16:38:56Z

AWS Security Architect

City of London, London
remote
Contract
550 - 600 GBP / Daily
Interim AWS Security Architect - Financial ServicesRobert Half is supporting a global consulting firm in engaging an experienced AWS Security Architect as an interim associate to support a large-scale cloud security programme for a major financial services organisation. This role will focus on deep AWS application and infrastructure security, working closely with engineering teams and AWS as a strategic partner to design and secure cloud-native platforms. Assignment Details:<ul><li>Start: c. 2-3 week onboarding lead time</li><li>Location: Primarily remote, with flexibility for occasional days in the City of London</li><li>Contract Duration: Initial 6-month contract (strong likelihood of extension)</li><li>Day Rate: £600 p/day PAYE + 12.07% via PAYE (Employer's NI & tax deducted at source - no umbrella company admin fees)</li></ul> Key Experience Needed:<ul><li>Strong experience as an AWS Security Architect within financial services (ideally banking)</li><li>Proven track record designing and securing AWS-native applications (not just governance or oversight)</li><li>Deep expertise in container security, particularly EKS and service mesh environments</li><li>Strong understanding of AWS network security, including VPC design, segmentation, firewalling, and Direct Connect</li><li>Experience working directly with AWS as a supplier, providing independent security assurance and challenge</li><li>Ability to operate at both low-level design (LLD) and enterprise architecture levels</li></ul>Desirable Experience:<ul><li>Experience within low-latency or trading environments</li><li>Exposure to AWS Outposts design and security</li><li>Familiarity with DevSecOps and IaC security controls</li></ul> Additional Information: Candidates will be subject to full financial and criminal background checksRobert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/Tmljb2xhcy5HZW9yZ2lvdS40MTc3OS4xMDkyM0ByaGkuYXBsaXRyYWsuY29t.gif">
2026-04-10T14:46:53Z

Azure Data Engineer

City of London, London
remote
Contract
- GBP / Yearly
<h3 data-start="346" data-end="360" data-section-id="1w1l8z6">Role</h3>The Data Engineer will design, develop, and maintain data infrastructure to ensure reliability, scalability, and performance. Key responsibilities include:<ul data-end="1321" data-start="519"><li data-end="655" data-section-id="1y7zsfe" data-start="519">Collaborate with data scientists, analysts, and business stakeholders to fulfil data requirements and support analytics initiatives.</li><li data-section-id="1rg1l8k" data-end="773" data-start="656">Collect, process, and transform datasets from various sources, ensuring data quality, consistency, and integrity.</li><li data-end="867" data-section-id="1jbr6sy" data-start="774">Develop and optimise data pipelines, ETL processes, and workflows for maximum efficiency.</li><li data-start="868" data-end="947" data-section-id="9fxyov">Design and implement efficient data models, schemas, and storage solutions.</li><li data-section-id="16jydjf" data-end="1066" data-start="948">Build, deploy, and maintain Azure-based data solutions, including Data Factory, Databricks, and Synapse Analytics.</li><li data-end="1141" data-section-id="1mqiuw" data-start="1067">Implement best practices in data governance, security, and compliance.</li><li data-end="1211" data-section-id="951t44" data-start="1142">Monitor, troubleshoot, and resolve data pipeline issues promptly.</li><li data-end="1321" data-section-id="509rxt" data-start="1212">Keep up-to-date with emerging data engineering trends and technologies to continuously improve processes.</li></ul><h3 data-end="1345" data-section-id="1w7cz0t" data-start="1328">Profile</h3>The ideal candidate will have strong experience across modern data engineering tools and cloud platforms:<ul data-end="2185" data-start="1454"><li data-start="1454" data-section-id="1ghb3j2" data-end="1583">Proven experience with Azure Data Services (Data Factory, Databricks, Synapse, SQL Database, Data Lake) and Power BI.</li><li data-start="1584" data-end="1692" data-section-id="acsm1h">Strong proficiency in SQL and experience with relational databases (SQL Server, Oracle, PostgreSQL).</li><li data-start="1693" data-end="1773" data-section-id="cxf1qv">Familiarity with Python, Spark, or other data processing frameworks.</li><li data-start="1774" data-section-id="ysb0c7" data-end="1863">Knowledge of ETL/ELT processes, data modelling, and data architecture principles.</li><li data-section-id="o49lf3" data-end="1926" data-start="1864">Experience with cloud platforms such as Azure and AWS.</li><li data-start="1927" data-end="2004" data-section-id="ksiygt">Understanding of data governance, security, and compliance standards.</li><li data-end="2082" data-section-id="xoif8d" data-start="2005">Excellent analytical and problem-solving skills with attention to detail.</li><li data-start="2083" data-section-id="1yabz8i" data-end="2185">Strong communication and collaboration skills, able to work effectively in cross-functional teams.</li></ul><h3 data-start="2192" data-section-id="w5pm1t" data-end="2209">Company</h3><ul data-end="2341" data-start="2210"><li data-start="2210" data-end="2281" data-section-id="1k0avdv">Market-leading British sports brand with offices in Central London.</li><li data-start="2282" data-end="2341" data-section-id="z22h0f">Hybrid working: flexible mix of office and remote work.</li></ul><h3 data-section-id="10xedjk" data-end="2375" data-start="2348">Salary & Benefits</h3>The rate of pay is competitive and dependent on experience and qualifications.Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/QWxmaWUuUm93ZXR0LjYxNDA3LjEwOTIzQHJoaS5hcGxpdHJhay5jb20.gif">
2026-03-24T17:17:38Z

Azure Snowflake DevOps Engineer

London, London
remote
Contract
400 - 450 GBP / Daily
DevOps + Snowflake Data Engineer (Associate / Contract)Robert Half are looking for an interim DevOps + Snowflake Data Engineer to join as an Associate and support a global consulting firm delivering a major enterprise data transformation programme for an insurance client. The engagement sits within a Divisional Data Team responsible for building and managing an enterprise-wide data platform, improving reporting capabilities and embedding modern data governance and engineering best practices. This role blends Snowflake platform administration, DevOps engineering and data platform optimisation to ensure the reliability, security and performance of a modern cloud data estate. Assignment Details<ul><li>Rate: c. £450+12.07% per day via PAYE (with employer's NI & Tax deducted at source - unlike umbrella companies and no umbrella company admin fees)</li><li>Location: London - Hybrid (2 days per week onsite)</li><li>Contract Length: c. 6 months rolling</li><li>Start Date: c. 2-3 weeks subject to interview and onboarding</li></ul> Responsibilities<ul><li>Administer and manage the Snowflake data platform across development, test and production environments</li><li>Implement security controls including RBAC, SSO/MFA authentication, data encryption and masking</li><li>Build and maintain CI/CD pipelines for Snowflake deployments using Azure DevOps or GitHub</li><li>Automate operational and deployment processes across the data platform</li><li>Monitor platform health and performance and troubleshoot pipeline failures or operational incidents</li><li>Manage Snowflake warehouses, databases, schemas and access roles</li><li>Optimise query performance, warehouse sizing and Snowflake credit consumption</li><li>Support database change management, secrets management and role hierarchy structures</li><li>Work closely with data engineering and networking teams to resolve pipeline or infrastructure issues</li><li>Maintain artefactory certificates and resolve Snyk / SonarQube security scanner issues</li></ul> Key Experience<ul><li>Strong hands-on experience administering Snowflake data warehouse platforms</li><li>Experience implementing DevOps practices within data engineering or cloud environments</li><li>Experience building CI/CD pipelines using Azure DevOps or similar tooling</li><li>Strong SQL and data warehouse engineering experience</li><li>Experience using DBT or modern data transformation frameworks</li><li>Experience implementing RBAC, data security controls and governance policies</li><li>Experience monitoring data platform performance and managing operational incidents</li><li>Understanding of Azure cloud environments and modern data platforms</li><li>Exposure to Terraform, infrastructure as code or platform automation is beneficial</li><li>Experience within insurance or financial services environments is highly desirable</li></ul>Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/Tmljb2xhcy5HZW9yZ2lvdS4yOTA0My4xMDkyM0ByaGkuYXBsaXRyYWsuY29t.gif">
2026-04-01T19:35:39Z

Application Security Tester

City of London, London
remote
Temporary
500 - 600 GBP / Daily
Robert Half have partnered with an insurtech organisation based in London who are looking to engage an experienced Application Tester to support testing across thier internal legacy .NET application.This is an initial 3‑month contract focused on maintaining quality and stability across existing systems during ongoing change and maintenance activity. Responsibilities: <ul><li>Manual testing of legacy .NET applications</li><li>Creation and execution of test cases, test scenarios, and test scripts</li><li>Functional, regression, and UAT testing</li><li>Identification, logging, and tracking of defects through to resolution</li><li>Working closely with developers and wider stakeholders to clarify requirements</li><li>Supporting release cycles and ensuring applications meet agreed quality standards</li><li>Maintaining clear and accurate test documentation</li></ul> Skills: <ul><li>Proven experience working as an Application Tester / Software Tester</li><li>Strong hands-on experience testing legacy .NET applications</li><li>Solid understanding of the software development lifecycle and testing methodologies</li><li>Experience using defect tracking and test management tools</li><li>Experience identifying and validating application vulnerabilities within legacy systems</li><li>Supporting vulnerability assessments and working with development teams to verify findings</li><li>Tracking, retesting, and validating remediation activities to ensure issues are fully resolved</li><li>Collaborating with security and engineering teams to prioritise risk-based fixes</li><li>Experience supporting or coordinating penetration testing activities (internal or third‑party)</li><li>Strong attention to detail and analytical skills</li><li>Comfortable working within established, mature application environments</li><li>Experience working within insurance or insurtech environments (desirable but not essential)</li><li>Exposure to enterprise-scale or complex systems</li><li>Some experience or awareness of test automation tools</li></ul> Contract: <ul><li>Initial 3-month contract with potential to extend</li><li>London-based assignment with hybrid working flexibility</li></ul> Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/YW5kcmUuZ2FyZGVuZXJtY2ZhcmxhbmUuMzkwNDcuMTA5MjNAcmhpLmFwbGl0cmFrLmNvbQ.gif">
2026-04-08T15:58:52Z

2nd Line Support Engineer

City of London, London
remote
Permanent
35000 - 40000 GBP / Yearly
<h2 data-end="172" data-start="95" data-section-id="1ox1fii">Systems Engineer (2nd Line Support)</h2>Location: Central London / Client Sites Working Pattern: 4 days office / 1 day WFH<h3 data-end="307" data-section-id="sixxwj" data-start="275">Why this role stands out</h3>This isn't your standard service desk job.You'll be working at the heart of the financial sector, supporting traders, investors and senior stakeholders in fast-paced, high-stakes environments where technology genuinely matters. The expectation is high, but so is the opportunity.The goal isn't just to hire engineers, it's to develop them into the next generation of Cloud Infrastructure Engineers, Team Leaders and Technical Specialists.If you're already strong in a 2nd line role and want to step into something more demanding, more rewarding and with a clear growth path, this is that move.<h3 data-section-id="h1hbay" data-start="919" data-end="947">What you'll be doing</h3><ul data-start="949" data-end="1653"><li data-end="1042" data-section-id="sq4snl" data-start="949">Acting as a key escalation point for 1st line engineers, owning complex issues end-to-end</li><li data-start="1043" data-section-id="17d15s2" data-end="1133">Delivering high-quality 2nd line support across desktop, server and cloud environments</li><li data-section-id="6sy2zu" data-start="1134" data-end="1219">Supporting business-critical systems in real time, where downtime isn't an option</li><li data-end="1306" data-start="1220" data-section-id="1hi1tzw">Building strong relationships with end users, from junior staff through to C-suite</li><li data-end="1392" data-section-id="wuqohi" data-start="1307">Managing incidents, prioritising effectively and communicating clearly throughout</li><li data-section-id="5plsbc" data-start="1393" data-end="1479">Working closely with internal teams and third-party vendors to resolve issues fast</li><li data-end="1569" data-section-id="155vgv8" data-start="1480">Contributing to continuous improvement across processes, tooling and service delivery</li><li data-start="1570" data-section-id="3214pb" data-end="1653">Taking part in an on-call rota and occasional out-of-hours work (paid overtime)</li></ul><h3 data-section-id="1r4qs9j" data-start="1660" data-end="1695">What makes you a strong fit</h3>You're not just technically capable, you care about the service behind it.<ul data-end="2220" data-start="1773"><li data-start="1773" data-section-id="js7r7m" data-end="1848">2+ years' experience in a 2nd line (or strong 1st/2nd line hybrid) role</li><li data-end="1923" data-start="1849" data-section-id="1ne07b6">Confident communicator, able to work directly with senior stakeholders</li><li data-end="2003" data-section-id="shi89o" data-start="1924">Naturally curious, always looking to understand the "why", not just the fix</li><li data-end="2070" data-section-id="ht4w6v" data-start="2004">Calm under pressure, organised and methodical in your approach</li><li data-end="2146" data-section-id="n6be" data-start="2071">Someone who takes pride in delivering a genuinely high standard of work</li><li data-section-id="6j4syv" data-start="2147" data-end="2220">A team player who's happy to support and mentor more junior engineers</li></ul><h3 data-end="2262" data-section-id="nnqp5u" data-start="2227">Tech you'll be working with</h3><ul data-end="2572" data-start="2264"><li data-end="2339" data-section-id="1038ul3" data-start="2264">Microsoft stack: Windows 10/11, Windows Server, Microsoft 365, Azure AD</li><li data-end="2378" data-start="2340" data-section-id="1q856k3">Exchange Online, SharePoint, Teams</li><li data-start="2379" data-section-id="11kxrcs" data-end="2429">Azure Virtual Desktop (AVD), Intune, Autopilot</li><li data-end="2466" data-section-id="y4j3nl" data-start="2430">Networking (Cisco), VOIP (Teams)</li><li data-end="2491" data-start="2467" data-section-id="1w1rd2">PowerShell scripting</li><li data-end="2530" data-section-id="ng9skj" data-start="2492">SQL Server, FSLogix, Azure Storage</li><li data-section-id="1vppr0g" data-start="2531" data-end="2572">Cyber security and conditional access</li></ul><h3 data-start="2579" data-section-id="1csgpfx" data-end="2612">What you'll get in return</h3><ul data-end="2939" data-start="2614"><li data-start="2614" data-section-id="nbcz0j" data-end="2683">Exposure to enterprise-level environments in the financial sector</li><li data-end="2747" data-section-id="qxp14r" data-start="2684">Clear progression into 3rd line, cloud and leadership roles</li><li data-end="2804" data-section-id="1lqc2br" data-start="2748">A culture that genuinely invests in your development</li><li data-section-id="c6teyf" data-start="2805" data-end="2866">A high-performing team that values quality over shortcuts</li><li data-section-id="1v24t5y" data-start="2867" data-end="2939">The chance to work on complex, meaningful technical challenges daily</li></ul><h3 data-section-id="6twk2m" data-start="2946" data-end="2969"> </h3>Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/V2lsbC5TdGVhZC45NDAxMC4xMDkyM0ByaGkuYXBsaXRyYWsuY29t.gif">
2026-04-21T10:28:49Z

AWS SRE Lead Engineer

London, London
remote
Contract
500 - 550 GBP / Daily
Site Reliability Engineer Lead (SRE) - AWS | Observability | Incident ManagementRobert Half International (an S&P 500 global staffing provider) is supporting a global consulting firm in sourcing an interim SRE Lead for a major financial services engagement. This role will focus on improving platform reliability, stabilising production environments, and embedding best-in-class SRE practices across a complex, high-availability estate. Assignment Details<ul><li>£500-£550 p/day via PAYE PLUS additional 12.07% daily holiday pay on top. (employer's NI & tax deducted at source - unlike umbrella companies and no umbrella company admin fees)</li><li>Initial 6 month contract</li><li>Hybrid working - 2-3 days per week in the City of London</li><li>Start date: c.2-4 week turnaround with anticipated start date with onboarding paperwork of w/c 01/05</li></ul> Key Responsibilities<ul><li>Lead and improve incident management processes (detection, triage, escalation, resolution)</li><li>Drive major incident response (P1/P0) and post-incident reviews (blameless postmortems)</li><li>Define and implement SRE principles including SLIs, SLOs, SLAs and error budgets</li><li>Build and enhance observability frameworks across metrics, logs and tracing</li><li>Drive automation and reduction of manual toil across operational processes</li><li>Implement runbooks, playbooks and operational readiness standards</li><li>Work closely with engineering, platform and security teams to embed reliability into delivery</li><li>Support the design of resilient, highly available systems (failover, DR, multi-region)</li></ul> Key Skills & Experience<ul><li>Proven experience in SRE, DevOps or Platform Engineering roles within complex environments</li><li>Strong hands-on experience with incident management and production support at scale</li><li>Deep experience with observability tooling (e.g. Prometheus, Grafana, Datadog, ELK, OpenTelemetry)</li><li>Solid experience with AWS cloud environments (EKS/ECS, Lambda, API Gateway, etc.)</li><li>Experience with CI/CD pipelines, automation and Infrastructure as Code (Terraform, Ansible, etc.)</li><li>Strong understanding of system reliability, performance and resilience engineering principles</li><li>Experience working in regulated or high-availability environments (financial services preferred)</li></ul>Nice to Have<ul><li>Experience with chaos engineering or resilience testing</li><li>Exposure to AIOps or intelligent automation frameworks</li><li>Experience transitioning or improving outsourced / offshore support models</li></ul> All candidates will be required to complete standard screening checks including Right to Work, financial background checks and last 5 years referencing.Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/Tmljb2xhcy5HZW9yZ2lvdS40MjIzMi4xMDkyM0ByaGkuYXBsaXRyYWsuY29t.gif">
2026-04-01T16:49:11Z

Network Security Architect

Wantage, Oxfordshire
remote
Permanent
- GBP / Yearly
Exciting opportunity to join a global business as Network Security Architect based in Wantage, offering opportunity to lead on global / enterprise network security projects & architecture, and long term career prospects. The roleAs Network Security Architect, you'll join a global security function and be responsible for:<ul><li>leading on network security strategy / architecture, including designing and leading a global network segmentation road-map</li><li>overseeing improvements to Wireless, Wired, Remote Access, Firewalls, NAC and Internet Access solutions, as well as architect / designing solutions to future changes</li><li>improving the company's global cyber security posture, through identifying network security related solutions/changes</li><li>act as network security subject matter expert for local teams, defining standards and ensuring processes are adhered to </li><li>collaborate with stakeholders globally, supporting on varied network related projects and changes</li></ul>About youApplicants to the Network Security Architect role will have:<ul><li>substantial experience in network engineering / architecture, with network segmentation experience</li><li>strong knowledge of network security solutions, coupled with strong understanding of enterprise networks and MS based infrastructure </li><li>excellent communication and relationship building skills (preferably gained in a global business)</li><li>strategic thinker, with strong attention to detail and organisation skills </li><li>knowledge of cyber security frameworks (e.g. NIST, ISO27001 etc.)</li><li>preferably hold relevant certifications (e.g. CISM, CISSP, CCNA, CCNP, TOGAF etc.)</li><li>Willingness to work in an office based / onsite role</li></ul>On offerCompetitive salary and benefits package depending on experience, including flexible working hours. Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/cGV0ZXIuZWx3YXJkLjMwMzEwLjEwOTIzQHJoaS5hcGxpdHJhay5jb20.gif">
2026-03-11T14:15:14Z

Identity Security Architect

Wantage, Oxfordshire
remote
Permanent
- GBP / Yearly
Exciting opportunity to join a global business based in Wantage as Identity Security Architect, leading on global identity security initiatives and offering long term career prospects.The roleAs Identity Security Architect you'll be responsible for:<ul><li>joining a global security function, and lead on modern secure authentication architecture designs (e.g. passkeys, certificates, OAuth, OIDC etc.)</li><li>working with local teams to improve authentication security and standards/best practice </li><li>acting as subject matter expert / escalation point for new identity security solutions, ensuring standards are adhered to globally </li><li>collaborating globally with various stakeholders (technical and non-technical)</li><li>support other security projects, acting as identity security SME </li></ul>About youApplicants for the Identity Security Architect role will have:<ul><li>experience gained with identity security, and deep expertise with the Microsoft identity stack (i.e. Entra ID, Active Directory on premise, AD Connect etc.) </li><li>understanding of authentication protocols, as well as migrating legacy methods to modern solutions (e.g. passkeys, OAuth, certificates etc.)</li><li>excellent communication and relationship building skills, with ability to think strategically and excellent organisation skills</li><li>preferably hold relevant certifications (e.g. CISM, CISSP, TOGAF etc.)</li><li>willingness to work in an office based / onsite environment </li></ul>On offerCompetitive salary and benefits package including flexible working hours. Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/cGV0ZXIuZWx3YXJkLjg0ODYxLjEwOTIzQHJoaS5hcGxpdHJhay5jb20.gif">
2026-03-11T14:32:28Z

Systems Administrator

London, London
remote
Contract
300 - 350 GBP / Daily
Robert Half is currently engaging with a leading Real Estate organisation that is looking to recruit an IT Systems Engineer for an initial 3‑month contract.<h2>Role:</h2><ul><li>Administer and optimise the Workspace ONE environment, ensuring effective device and application management.</li><li>Provide recommendations for best‑practice configuration and improved operational efficiency.</li><li>Streamline device/app deployment processes and support lifecycle management.</li><li>Implement automation for onboarding, provisioning, compliance, and internal IT workflows.</li><li>Audit existing PowerShell scripts and develop new scripts to support:<ul><li>Okta</li><li>Workspace ONE</li><li>Active Directory</li><li>Onboarding/offboarding</li><li>Alerting and reporting</li></ul></li><li>Use GAM to automate Google Workspace administrative tasks.</li><li>Manage and enhance identity and access workflows across Okta, AD, and CyberArk.</li><li>Improve SSO configurations, access policies, identity lifecycle, and privileged access workflows.</li><li>Administer Google Workspace (Gmail, Drive, Groups) and recommend automation and configuration improvements.</li><li>Support Jira workflow updates and enhance Confluence structure, documentation processes, and permissions.</li><li>Produce clear documentation including SOPs, architectural recommendations, scripts, and operational processes.</li><li>Ensure alignment with IT governance, compliance, and security best practices.</li><li>Maintain a structured and accessible internal knowledgebase.</li></ul><h2>Profile:</h2><ul><li>5+ years' experience in IT Engineering, Systems Administration, or advanced support roles.</li><li>Hands‑on expertise with Workspace ONE or similar MDM solutions.</li><li>Strong PowerShell scripting capability.</li><li>Solid understanding of Okta and Active Directory administration.</li><li>Experience administering Google Workspace and automating tasks with GAM.</li><li>Familiarity with Jira/Confluence within Agile environments.</li><li>Practical experience with CyberArk for privileged access management.</li><li>Strong documentation discipline and commitment to systems hygiene.</li></ul><h2>Contract:</h2><ul><li>Initial 3 month contract </li><li>Competitive day rate - Outside IR35 </li><li>Remote role with occasional travel to London</li></ul> Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/YW5kcmUuZ2FyZGVuZXJtY2ZhcmxhbmUuNzc3ODguMTA5MjNAcmhpLmFwbGl0cmFrLmNvbQ.gif">
2026-03-10T16:47:02Z

Administrator

England,
remote
Temporary
15 - 17 GBP / Hourly
Job Title: Part-Time Administrator Location: Heathrow (On-Site) Hours: 20 hours per week (ideally across 4-5 days) Salary: £15 per hour - £16.50 per hour + Holiday Pay The Opportunity We're recruiting for a part-time Administrator to join a busy, fast-paced team based on-site at Heathrow. This role offers flexibility around start and finish times, making it ideal for someone balancing other commitments. They are looking for somebody to cover the 20 hours over 4-5 days. Key Responsibilities<ul data-start="516" data-end="828"><li data-section-id="19pmlnt" data-start="516" data-end="578">Providing general administrative support to the wider team</li><li data-start="579" data-end="632" data-section-id="1y0u4ty">Maintaining and updating records and spreadsheets</li><li data-start="633" data-end="702" data-section-id="6rng6z">Working regularly with Excel to organise, track, and analyse data</li><li data-end="756" data-start="703" data-section-id="1laem1k">Assisting with reporting and data accuracy checks</li><li data-end="828" data-start="757" data-section-id="890nx3">Supporting day-to-day operations to ensure everything runs smoothly</li></ul>Skills & Experience Required<ul data-end="1240" data-start="870"><li data-section-id="es7pvr" data-start="870" data-end="919">Previous experience in an administrative role</li><li data-start="920" data-end="1004" data-section-id="wfrubx">Strong Excel skills (comfortable with formulas, data handling, and spreadsheets)</li><li data-section-id="bg3d7q" data-end="1051" data-start="1005">Excellent attention to detail and accuracy</li><li data-start="1052" data-end="1114" data-section-id="1bqlpm8">Highly organised with the ability to manage multiple tasks</li><li data-section-id="m2xmmo" data-start="1115" data-end="1184">A proactive, hands-on approach with a willingness to get involved</li><li data-end="1240" data-start="1185" data-section-id="a74s0c">Good communication skills and a team-player mindset</li></ul>What We're Looking For This role would suit someone who is flexible, reliable, and happy to roll up their sleeves in a busy environment. You'll be someone who takes initiative, supports the wider team, and thrives in a role where no two days are the same.Additional Information<ul data-start="1544" data-end="1664"><li data-start="1544" data-end="1578" data-section-id="vjsyw5">On-site role based at Heathrow</li><li data-start="1579" data-end="1634" data-section-id="1ffgb2b">Part-time hours with flexibility on working pattern</li><li data-end="1664" data-start="1635" data-section-id="p7ls3k">Immediate start available</li></ul>Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/UG9wcHkuR3JhbnQuODk5MTcuMTA5MjNAcmhpLmFwbGl0cmFrLmNvbQ.gif">
2026-04-22T09:15:34Z

Administrator

Oxford, Oxfordshire
remote
Permanent
- GBP / Yearly
Administrator 2-3 Week Temporary Assignment (Immediate Start - Monday)Overview: We are working with a business in Oxford who are looking for a detail-oriented Administrator to support the team on a short-term basis. This role is ideal for someone who can hit the ground running and provide immediate support during a busy period.Key Responsibilities:<ul data-end="812" data-start="499"><li data-end="559" data-start="499">Accurately input and update data across internal systems</li><li data-start="560" data-end="622">Check and validate data to ensure accuracy and consistency</li><li data-end="693" data-start="623">Assist with processing documents and records as required</li><li data-start="694" data-end="757">Maintain organised filing systems (digital and/or physical)</li><li data-end="812" data-start="758">Support the team with general administrative tasks</li></ul>Skills & Experience:<ul data-end="1269" data-start="1151"><li data-end="896" data-start="841">Previous experience in data entry/administration or a recent graduate </li><li data-end="954" data-start="897">Strong attention to detail and high level of accuracy</li><li data-end="1001" data-start="955">Good IT skills </li><li data-end="1122" data-start="1054">Available to start immediately and commit to the full assignment</li></ul>Pay: £14ph Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/RWxsZW4uQ2h1bmcuNzY5MzEuMTA5MjNAcmhpLmFwbGl0cmFrLmNvbQ.gif">
2026-04-16T16:42:16Z

Administrator

City of London, London
remote
Temporary
15 - 19 GBP / Hourly
Role:Our client is looking to recruit an immediate, senior administrator for a 3 month Temporary role. In this role you will be responsible for the following duties: <ul style="direction: ltr; unicode-bidi: embed; margin-top: 0in; margin-bottom: 0in;" type="disc"><li>Strong, proven, administration experience working in a busy team for a small, fast paced organisation</li><li>Experience of working with MS excel for recording data. As well as database exporting and manipulating data</li><li>Experience of preparing for meetings, distributing agendas and meeting packs. Proven experience in taking minutes in fast paced meetings with complex content</li><li>Proven ability to manage their own workload in roles with multiple cross cutting responsibilities using their own initiative to complete tasks and solve problems but also be a team player</li></ul> Profile:The successful temporary, Senior administrator will have at least 3 years experience working within high volume administration and will have had exposure to manipulating data on Excel. You must be either immediate or on a 1 week notice to be considered for this role. Client:Our client is a foundation based in the City of London. Role is flexible in terms of working pattern. Salary & Benefits:This immediate, temporary senior administrator role will be paying circa £15-19 per hour. This is dependant on experience.Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/RWxpYW5hLlphbWV0LjEzODA3LjEwOTIzQHJoaS5hcGxpdHJhay5jb20.gif">
2026-03-16T10:25:46Z

Administrator - Temporary

St. Neots, Cambridgeshire
remote
Temporary
14 - 16 GBP / Hourly
Temporary Membership Administrator (8-12 Week Assignment) Location: St. Neots Pay Rate: £14-£16 per hour (dependent on experience) Start Date: ImmediateRobert Half is working with a longstanding client based in St. Neots who is seeking interim support within their Membership team for an 8-12 week temporary assignment. This is an excellent opportunity for someone with strong administrative and communication skills who enjoys working in a collaborative, member-focused environment.<h3 data-start="523" data-end="547">Key Responsibilities</h3> External-Facing Activities <ul data-end="1152" data-start="581"><li data-end="676" data-start="581">Updating and maintaining the CRM system, including contact records and lead qualification</li><li data-start="677" data-end="877">Providing administrative support on key projects, working closely with the Senior Membership Manager and SVP of Membership & Global Development, particularly around design and build projects</li><li data-end="951" data-start="878">Co-ordinating with members to secure volunteers for specific events</li><li data-start="952" data-end="1057">Making outbound calls to members, particularly regarding programmes and participation opportunities</li><li data-start="1058" data-end="1152">Sending follow-up emails to members regarding initiatives, opportunities, and engagement</li></ul> Internal Responsibilities <ul data-start="1185" data-end="1565"><li data-start="1185" data-end="1227">Qualifying incoming membership leads</li><li data-end="1283" data-start="1228">Supporting the team with membership renewal calls</li><li data-start="1284" data-end="1344">Assisting with awards-related calls and communications</li><li data-end="1422" data-start="1345">Providing general administrative support across the membership function</li><li data-start="1423" data-end="1478">Managing and responding to the shared email inbox</li><li data-end="1528" data-start="1479">Assisting with the coordination of webinars</li><li data-end="1565" data-start="1529">Handling CPD-related enquiries</li></ul><h3 data-end="1580" data-start="1567">About You</h3><ul data-end="1979" data-start="1581"><li data-start="1581" data-end="1657">Previous administrative, membership, or customer engagement experience</li><li data-start="1658" data-end="1728">Comfortable making outbound calls and communicating with members</li><li data-start="1729" data-end="1778">Strong organisation and attention to detail</li><li data-start="1779" data-end="1832">Experience working with CRM systems (preferred)</li><li data-end="1903" data-start="1833">Confident managing email communications and administrative tasks</li><li data-start="1904" data-end="1979">Able to start immediately and commit to the full 8-12 week assignment</li></ul><h3 data-start="1981" data-end="2000"> </h3>Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.<img src="https://counter.adcourier.com/SmFtZXMuRGF2aWVzLjE4NDU4LjEwOTIzQHJoaS5hcGxpdHJhay5jb20.gif">
2026-03-09T11:25:18Z