<p>A growing private aviation services organization is seeking a Senior Systems / Infrastructure Engineer to support and secure its enterprise infrastructure, cloud platforms, and business-critical systems. This is a hands-on role responsible for administering Microsoft technologies, Azure cloud environments, virtualization platforms, networking, and security tools while driving infrastructure modernization and operational excellence.</p><p>What You'll Own</p><p>Microsoft 365, Azure administration and migrations, Active Directory, Entra ID, VMware/Hyper-V, infrastructure modernization, security tools, and identity management. Networking experience is important but serves as a supporting component of the role rather than the primary focus.</p><p>Role Focus</p><p>This position is primarily centered on systems administration and infrastructure engineering, with significant responsibility for Azure administration, cloud implementations, migrations, and hybrid environments. You'll work across Microsoft technologies, virtualization, identity management, and security platforms while helping drive modernization initiatives throughout the organization. Security operations and network administration are important aspects of the role, but deep network architecture is not the primary focus.</p><p>Key Responsibilities</p><p>Infrastructure & Cloud Administration</p><ul><li>Administer and support Microsoft 365, Entra ID (Azure AD), Active Directory, Windows Server, Group Policy, and hybrid cloud environments.</li><li>Lead and support Azure administration, implementation, migration, and optimization projects.</li><li>Design, deploy, and maintain Azure cloud services, hybrid identity solutions, and cloud-based infrastructure.</li><li>Manage VMware and Hyper-V environments, enterprise servers, storage, backups, and core infrastructure.</li><li>Implement patching, monitoring, system hardening, and infrastructure best practices.</li></ul><p>Network Administration</p><ul><li>Manage and troubleshoot enterprise LAN/WAN environments.</li><li>Support switches, routers, firewalls, VPNs, wireless infrastructure, and network segmentation.</li><li>Ensure high availability, performance, and reliability across on-premises and cloud environments.</li></ul><p>Security & Identity Management</p><ul><li>Administer Okta, MFA, identity governance, privileged access, and user lifecycle management.</li><li>Support SIEM, EDR, vulnerability management, endpoint security, IDS/IPS, and security monitoring platforms.</li><li>Perform vulnerability remediation, risk reduction, and security hardening initiatives.</li><li>Implement Zero Trust security principles and secure access controls.</li></ul><p>Incident Response & Compliance</p><ul><li>Participate in security incident response, investigation, root cause analysis, and remediation efforts.</li><li>Support compliance initiatives related to NIST, CIS, SOC 2, GDPR, and CCPA.</li><li>Maintain technical documentation, infrastructure diagrams, runbooks, and operational procedures.</li></ul>
We are looking for an experienced Security Network Engineer to support and strengthen a data center environment in California. This long-term contract opportunity is ideal for a senior specialist who brings deep expertise in secure network operations, infrastructure monitoring, and enterprise firewall administration. The role focuses on maintaining a reliable, high-performing network across a smaller infrastructure footprint while partnering with teams that operate during Pacific Time hours.<br><br>Responsibilities:<br>• Manage and optimize secure network infrastructure across data center switching, routing, and firewall platforms.<br>• Administer firewall environments and centralized policy management tools to maintain strong security controls and network availability.<br>• Monitor network performance and security events, identify issues proactively, and drive timely resolution of incidents.<br>• Support day-to-day operations for a compact but critical infrastructure environment with a focus on stability and efficiency.<br>• Implement configuration changes, upgrades, and troubleshooting activities across core networking components.<br>• Use network monitoring platforms such as SolarWinds to track health, capacity, and performance trends.<br>• Contribute technical expertise on Cisco-based environments, including Nexus platforms where applicable.<br>• Collaborate with internal stakeholders and remote teams to ensure dependable support coverage during Pacific Time business hours.
<p>Robert Half is looking for a Systems Administrator to support and maintain a complex enterprise technology environment in California. This Systems Administrator opportunity is ideal for a hands-on technical professional with strong experience in Windows Server, VMware, Active Directory, networking, and infrastructure support. The Systems Administrator will be responsible for maintaining critical systems, troubleshooting escalated technical issues, supporting infrastructure projects, and improving the reliability, performance, and security of enterprise technology. This position requires someone who can work independently, collaborate with senior technical staff, and provide exceptional support to end users. This Systems Administrator Role is an onsite position out of Martinez, Ca and has the potential to go fulltime. </p><p><br></p><p>Responsibilities:</p><ul><li>Administer, configure, and maintain enterprise infrastructure, including Windows servers, VMware virtual environments, Active Directory, networks, VPNs, firewalls, and storage systems.</li><li>Support the installation, configuration, testing, maintenance, and troubleshooting of physical and virtual servers, network devices, and enterprise applications.</li><li>Manage Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, file services, and user account administration.</li><li>Support VMware virtualization technologies, including vCenter, vSphere, vMotion, and virtual machine management.</li><li>Troubleshoot complex hardware, software, network connectivity, application access, and system performance issues.</li><li>Perform routine infrastructure maintenance, including system backups, patch management, operating system upgrades, security updates, and performance optimization.</li><li>Monitor infrastructure health, network security, and system availability while identifying and resolving potential issues.</li><li>Administer Microsoft 365, Exchange, and related cloud-based services to support enterprise communications and collaboration.</li><li>Support network infrastructure, including LAN/WAN environments, switches, routers, wireless connectivity, firewalls, and VoIP systems.</li><li>Assist with storage administration, disaster recovery processes, data protection, and system restoration activities.</li><li>Utilize PowerShell and other scripting tools to automate administrative tasks and improve operational efficiency.</li><li>Serve as a second-level escalation resource for technical support issues involving servers, networks, applications, and end-user systems.</li><li>Collaborate with internal teams, technical leadership, and external vendors on infrastructure improvements and technology implementations.</li><li>Develop and maintain technical documentation, system configurations, troubleshooting procedures, and operational guidelines.</li><li>Identify opportunities to improve infrastructure reliability, security, automation, and overall IT service delivery.</li></ul><p><br></p>
<p>Robert Half is seeking a Software Engineer II – AI Engineer who will analyze, design, program, debug, test, implement, deploy, and support software enhancements and new applications using Generative AI technologies. This role contributes to the development and production deployment of GenAI-enabled applications, including LLM-powered workflows, RAG pipelines, and AI-driven user experiences. </p><p> </p><p>This role supports SDLC documentation across all phases, with a focus on deployment, evaluation, observability, safety, and monitoring. It also interacts with users to define requirements and support applications in production. </p><p><strong>What You’ll Do</strong> </p><ul><li>Develop and modify application modules, including GenAI components. </li><li>Build prompt workflows, retrieval layers, APIs, and cloud services. </li><li>Troubleshoot production issues, including latency, hallucinations, and errors. </li><li>Provide Level II production support for deployed systems. </li><li>Design components, including LLM integrations and RAG pipelines. </li><li>Implement CI/CD pipelines, containerization, and release processes. </li><li>Develop RAG pipelines with embeddings, chunking, and vector search. </li><li>Apply prompt engineering techniques, including few-shot prompting and structured outputs. </li><li>Evaluate models for accuracy, relevance, and hallucination risk. </li><li>Implement safety guardrails, including PII protection and prompt-injection defense. </li><li>Execute testing, including unit, integration, and GenAI evaluation testing. </li><li>Monitor production systems for latency, cost, usage, and errors. </li><li>Support incident management with fallback and recovery strategies. </li></ul><p><br></p>
<p>We are looking for a Software Developer to join a team in California on a long-term contract assignment. This Software Developer role is ideal for a hands-on, detail-oriented individual who can build and support full stack applications while contributing to reporting and analytics solutions. The Software Developer position calls for someone who combines strong technical depth with sound judgment, clear communication, and a collaborative approach to solving business and technology challenges.</p><p><br></p><p>Responsibilities:</p><p>• Create and enhance full stack software solutions using C# and the .NET ecosystem, delivering reliable functionality for both new development and ongoing improvements.</p><p>• Develop secure, scalable backend components, including RESTful APIs, business logic, and integrations that support enterprise application needs.</p><p>• Build responsive user interfaces with web technologies such as ASP.NET MVC, Razor, JavaScript, and jQuery to provide a smooth user experience.</p><p>• Maintain and optimize existing applications by investigating defects, resolving performance issues, and applying updates that improve stability and usability.</p><p>• Execute comprehensive testing and debugging activities to confirm application quality, security, and dependable performance across environments.</p><p>• Manage code movement across cloud and on-premises environments, helping ensure consistent deployments and effective release practices.</p><p>• Design and support database objects, queries, and stored procedures in Microsoft SQL Server to enable efficient data processing and application performance.</p><p>• Produce and maintain reports, dashboards, and analytics outputs, while validating data accuracy and translating business reporting needs into practical solutions.</p><p>• Partner with stakeholders, business users, and technical team members to gather requirements, shape solutions, and provide support for third-party vendor applications.</p><p>• Offer technical guidance to less experienced developers and contribute to a team culture focused on knowledge sharing and continuous improvement.</p>
We are looking for an experienced Sr Network Engineer to support and strengthen a hybrid enterprise infrastructure in Concord, California. This role focuses on designing, optimizing, and securing network environments that enable dependable connectivity, protected data exchange, and stable day-to-day operations. The ideal candidate brings strong technical depth across cloud and on-premises platforms, a practical troubleshooting mindset, and the ability to communicate effectively with both technical and non-technical stakeholders.<br><br>Responsibilities:<br>• Design, maintain, and enhance network infrastructure across routing, switching, wireless connectivity, firewall platforms, VPN services, and hybrid Azure-integrated environments.<br>• Develop and uphold network architecture standards, technical documentation, and long-term infrastructure plans that improve performance, segmentation, and security.<br>• Administer and support a hybrid Microsoft ecosystem, including cloud and on-premises services, to ensure reliable access and operational continuity.<br>• Manage the Hyper-V environment and related infrastructure components to maintain availability, scalability, and system efficiency.<br>• Investigate and resolve complex network and connectivity issues, serving as an escalation point for advanced incidents and selected help desk matters.<br>• Oversee backup operations for critical systems and verify that recovery processes align with business continuity needs.<br>• Partner with IT leadership and security stakeholders to implement preventive safeguards and contribute to incident response efforts.<br>• Provide technical guidance to end users and entry-level team members while promoting strong service standards and timely issue resolution.<br>• Monitor industry developments, evaluate emerging technologies, and recommend improvements that strengthen the overall network environment.<br>• Travel occasionally to support offices or operational needs as required.
We are looking for a Contract Data Engineer to strengthen analytics and reporting capabilities for a business operating across multiple data platforms. This role is based in San Francisco, California, and is ideal for someone who can evaluate an existing data ecosystem, advise on practical improvements, and deliver hands-on solutions. The right candidate will connect information from several systems, shape scalable data structures, and partner closely with business stakeholders to turn reporting needs into reliable insights.<br><br>Responsibilities:<br>• Evaluate the current data architecture and identify opportunities to improve scalability, usability, and reporting effectiveness.<br>• Design and build data pipelines that combine information from multiple platforms into a cohesive and dependable reporting environment.<br>• Develop and enhance Power BI dashboards and reporting solutions that provide stronger visibility into business performance.<br>• Organize and model data within lake and warehouse environments to support accurate analytics and long-term maintainability.<br>• Work directly with business partners to gather requirements, translate goals into technical solutions, and deliver actionable insights.<br>• Lead hands-on implementation work across the data stack while also recommending the most effective path for future-state architecture.<br>• Support ongoing expansion of data lake and reporting capabilities to improve access to trusted, well-structured information.
<p>Robert Half is seeking an Engineering Technician to support municipal engineering, development review, permitting, and public works activities. This Engineering Technician position provides a combination of office and field technical engineering support, including reviewing construction and subdivision plans, assisting with development review, preparing engineering drawings, supporting field survey activities, and issuing encroachment permits.</p><p>The ideal Engineering Technician candidate will have experience working with civil engineering plans, land development, public works projects, surveying, or municipal engineering and be comfortable working with engineers, contractors, developers, property owners, and the general public. This Engineering Technician role is an Onsite position out of Fairfield and can be Part-time as well.</p><p><br></p><p>Key Responsibilities</p><ul><li>Review subdivision final maps, parcel maps, and construction plans for compliance with City Planning and Engineering requirements and accepted construction practices.</li><li>Review and interpret civil engineering plans associated with streets, utilities, land development, and public infrastructure improvements.</li><li>Prepare engineering plans, specifications, profiles, cross-sections, and related technical drawings.</li><li>Perform horizontal and vertical alignment calculations and other engineering computations supporting:</li><li>Street improvements</li><li>Curb and gutter construction</li><li>Sewer systems</li><li>Water systems</li><li>Storm drainage</li><li>Parks and other public improvement projects</li><li>Assist with the development review process, including review and coordination of plans submitted for private and public improvement projects.</li><li>Process and issue encroachment permits in accordance with City requirements.</li><li>Provide flood zone determinations and respond to requests for general engineering and development information.</li><li>Participate as a member of a field survey crew, gathering and documenting field data for planning, engineering, and public works projects.</li><li>Assist with construction staking, improvement-site surveys, and property boundary surveys.</li><li>Use surveying equipment to obtain accurate field measurements and assist with survey calculations.</li><li>Reproduce, organize, and assemble engineering plans, specifications, maps, and related documents.</li><li>Maintain accurate records associated with engineering drawings, surveys, permits, and field activities.</li><li>Prepare technical documentation and reports as required.</li><li>Coordinate and communicate with City employees, engineers, contractors, developers, property owners, and members of the public.</li><li>Perform other related engineering support duties as assigned.</li></ul><p><br></p>
<p>obert Half is seeking a Software Engineer II – AI Engineer to analyze, design, program, debug, test, implement, and support the privacy, security, and governance controls that protect generative AI technologies. This role safeguards GenAI-enabled applications, including LLM-powered workflows, RAG pipelines, plugins, skills, and autonomous agents, by embedding data protection, security guardrails, and responsible AI governance across the development lifecycle. </p><p> </p><p>This role supports SDLC documentation across all phases, with a focus on data privacy, security guardrails, governance, compliance, and risk management. It also works with users to define requirements and support applications in production. </p><p><strong>What You’ll Do</strong> </p><ul><li>Design and implement data privacy controls, including PII/PHI detection, redaction, and data minimization. </li><li>Build security guardrails, including prompt-injection defense, jailbreak prevention, and output filtering. </li><li>Establish governance for plugins, skills, and agents, including registration, approval, and lifecycle management. </li><li>Review and vet third-party plugins, skills, and agent tools for security, privacy, and compliance risks. </li><li>Define and enforce access controls, authentication, and least-privilege permissions for AI components. </li><li>Implement guardrails for autonomous agents, including action scoping, tool-use restrictions, and human-in-the-loop approval. </li><li>Apply data classification, retention, and residency policies across GenAI data flows. </li><li>Monitor AI systems for policy violations, data leakage, and anomalous plugin, skill, or agent behavior. </li><li>Maintain audit trails and logging for plugin, skill, and agent activity. </li><li>Support compliance with regulations and frameworks, including GDPR, CCPA, and the EU AI Act. </li><li>Provide Level II production support for security, privacy, and governance incidents. </li><li>Support incident response, including containment, escalation, and remediation. </li></ul>
<p>We are looking for a Salesforce Technical Architect (Software Engineer IV) to lead the technical strategy, architecture, and delivery of a large-scale Salesforce environment. This role combines hands-on engineering with architectural ownership, guiding decisions across Salesforce and Azure while supporting secure, scalable, and high-performing solutions. The position also plays a key role in advancing data-driven marketing capabilities, AI-enabled workflows, and engineering practices that improve quality, automation, and deployment speed.</p><p><br></p><p>Responsibilities:</p><p>• Define the technical roadmap for the Salesforce ecosystem and determine the most effective approach for building capabilities within the platform or extending them through Azure-based services.</p><p>• Design and oversee integrations connecting Salesforce with internal and external systems, using resilient near real-time and event-driven patterns to maintain reliable data flow.</p><p>• Lead the rollout of Salesforce Data 360 and enhance supporting data pipelines that enable segmentation, analytics, and AI-powered business processes.</p><p>• Establish architecture standards, review solution designs and code, and ensure engineering output meets expectations for security, scalability, and long-term maintainability.</p><p>• Strengthen the software delivery lifecycle by introducing automated checks for code quality, testing, and security validation across development and release processes.</p><p>• Advance CI/CD practices by improving Python-based deployment pipelines and enabling frequent, dependable releases with minimal manual effort.</p><p>• Mentor a distributed team of engineers by providing technical direction, coaching on platform design patterns, and promoting consistent engineering excellence.</p><p>• Build and guide development of complex Salesforce applications using Apex, Lightning Web Components, and declarative tools, while also supporting services and APIs built with Node.js and Python.</p><p>• Define integration standards, API contracts, and automation frameworks that support dependable interoperability across enterprise platforms and cloud environments.</p>