<p>Robert Half is hiring! We are looking for an experienced Site Reliability Engineer to join our team. This role involves designing, operating, and enhancing a secure, scalable, and cost-efficient multi-cloud platform. The ideal candidate will possess a strong technical background, a passion for automation and observability, and a commitment to improving system reliability and efficiency.</p><p><br></p><p>Responsibilities:</p><p>• Design, implement, and manage reliable and scalable systems across multi-cloud environments, including AWS and Azure.</p><p>• Develop and refine service level objectives (SLOs), service level indicators (SLIs), and error budgets to support system reliability.</p><p>• Lead root cause analyses for incidents and implement measures to prevent recurrence.</p><p>• Enhance platform observability by creating and maintaining metrics, logs, traces, and alerts.</p><p>• Drive cloud cost optimization initiatives by implementing cost visibility, forecasting, and accountability measures.</p><p>• Collaborate with security teams to ensure compliance with regulatory standards and embed security into platform operations.</p><p>• Automate operational workflows using Infrastructure as Code and CI/CD pipelines.</p><p>• Utilize AI tools to improve incident analysis, capacity planning, and operational efficiency.</p><p>• Mentor and guide engineering teams on reliability practices and cost-efficient architectures.</p><p>• Partner with cross-functional teams to influence technical direction and improve operational maturity.</p>
We are looking for an experienced Systems Engineer to join our team in Lawrenceville, Georgia. This role requires a strong background in Citrix technologies, cloud solutions, and Azure Virtual Desktop. The ideal candidate will bring a hands-on approach while also contributing at a senior level to support infrastructure and cloud integration efforts.<br><br>Responsibilities:<br>• Lead the design, implementation, and maintenance of Citrix environments, including Desktop/App, Cloud, and Netscalers.<br>• Manage and optimize Azure Virtual Desktop solutions to enhance system performance and scalability.<br>• Collaborate with IT staff and contractors to ensure seamless infrastructure operations within a robust technical environment.<br>• Oversee Active Directory and Azure Active Directory configurations, ensuring security and reliability.<br>• Administer and troubleshoot Microsoft Windows Server environments to maintain system efficiency.<br>• Integrate Microsoft Exchange services into existing infrastructure, ensuring smooth communication and data management.<br>• Provide strategic guidance and technical expertise to improve cloud integration and infrastructure processes.<br>• Participate in ongoing system assessments to identify areas for improvement and implement solutions.<br>• Act as a senior-level resource for troubleshooting and resolving complex system issues.<br>• Support the transition to a hybrid work setup after the initial onsite period.
<p><u>Senior Network Security Engineer (MSP Environment)</u></p><p><br></p><p>We are seeking a Senior Network Security Engineer to design, implement, and support secure network infrastructures across multiple client environments. This role is responsible for maintaining high-performing network systems while ensuring strong security controls, segmentation, and threat visibility across enterprise networks.</p><p>The ideal candidate has deep experience working within managed services or multi-client environments, supporting complex networking infrastructures and implementing security best practices. This position requires someone comfortable troubleshooting advanced network issues, designing secure architectures, and acting as a senior escalation point for critical incidents.</p><p><br></p><p><u>Key Responsibilities</u></p><p><br></p><ul><li>Design, deploy, and maintain network infrastructure including routers, switches, wireless networks, and firewalls across multiple client environments.</li><li>Support enterprise LAN, WAN, and wireless connectivity systems to ensure high availability and performance.</li><li>Implement and manage networking protocols such as TCP/IP, VLANs, QoS, RSTP, LACP/LAG, and multicast technologies.</li><li>Implement and maintain network security controls across switching, wireless, and firewall platforms.</li><li>Design secure network segmentation strategies including VLAN segmentation, micro-segmentation, and multi-tenant network architectures.</li><li>Configure and manage firewall policies, NAT rules, and security filtering using least-privilege access principles.</li><li>Implement secure wireless network authentication methods including WPA2/WPA3 enterprise authentication and RADIUS-based access controls.</li><li>Design and maintain private wireless networks supporting role-based or device-based access policies.</li><li>Support modern access control frameworks including Zero Trust Network Access (ZTNA) approaches.</li><li>Implement network access controls such as 802.1X authentication, device profiling, and endpoint-based access policies.</li><li>Monitor network traffic and security events using network analytics tools and firewall telemetry.</li><li>Identify suspicious activity through log analysis, flow monitoring, and threat intelligence indicators.</li><li>Coordinate with security or incident response teams to investigate potential threats and implement containment actions.</li><li>Serve as a Tier 3 escalation point for complex network troubleshooting and infrastructure issues.</li><li>Diagnose and resolve connectivity problems involving routing, switching, wireless networks, and firewall systems.</li><li>Support proactive monitoring and preventative maintenance to maximize uptime.</li><li>Onboard and maintain network infrastructure within monitoring platforms for inventory tracking, alerting, and configuration management.</li><li>Analyze network alerts and performance metrics to identify potential issues before service disruption occurs.</li><li>Maintain detailed documentation of network configurations, security policies, and infrastructure changes.</li><li>Participate in change management reviews and ensure proper documentation for infrastructure updates.</li><li>Work closely with internal engineers and client stakeholders to resolve infrastructure challenges and implement new solutions.</li><li>Provide technical guidance and communicate complex technical findings clearly to both technical and non-technical audiences.</li></ul>
<p><u>Endpoint Engineer</u></p><p>We are seeking an experienced Endpoint Engineer to support large-scale endpoint environments across multiple client infrastructures. This role focuses on maintaining endpoint security posture, ensuring patch compliance, and managing device security operations across enterprise device fleets. The ideal candidate will have hands-on experience managing thousands of endpoints in complex environments and will work across endpoint management, vulnerability remediation, and security monitoring activities. This position combines technical engineering responsibilities with operational support and client-facing collaboration.</p><p><br></p><p>this is a 5 days onsite position </p><p><u>Key Responsibilities</u></p><ul><li>Plan, test, and deploy operating system and application updates across large endpoint fleets using structured deployment strategies such as pilot groups and phased rollouts.</li><li>Monitor patch compliance and coordinate maintenance windows, approvals, and remediation timelines.</li><li>Troubleshoot patch deployment failures and coordinate rollback or recovery actions when updates introduce system instability or compatibility issues.</li><li>Deploy, configure, and maintain endpoint protection platforms including EDR/XDR solutions.</li><li>Tune security policies, configure alerting and prevention settings, and investigate suspicious endpoint activity.</li><li>Contain or isolate compromised systems when threats are detected.</li></ul><p>Threat Detection and Incident Response</p><ul><li>Investigate security alerts and abnormal endpoint behaviors including malware, ransomware, and unauthorized activity.</li><li>Support incident response activities including investigation, containment, eradication, and recovery.</li><li>Document findings and contribute to post-incident remediation and security improvements.</li><li>Review endpoint vulnerability findings and prioritize remediation based on severity and risk exposure.</li><li>Track remediation progress and ensure endpoint compliance across operating systems and applications.</li><li>Support regular vulnerability scanning validation and endpoint security assessments.</li><li>Implement endpoint security configurations and baseline standards across enterprise devices.</li><li>Support endpoint encryption, firewall policies, privilege controls, and system security settings.</li><li>Develop PowerShell scripts and automation to improve patch deployment, compliance reporting, and endpoint management processes.</li><li>Generate operational reports and security metrics related to patch status, endpoint coverage, and vulnerability remediation.</li><li>Maintain device inventory and asset lifecycle records for enterprise endpoints including desktops, laptops, and associated services.</li><li>Ensure endpoints remain compliant with patching and security requirements throughout their lifecycle.</li><li>Identify and remove outdated, unauthorized, or unsupported tools and applications from endpoint environments.</li><li>Communicate security posture updates, patch compliance status, and incident response activities to internal teams and client stakeholders.</li><li>Participate in operational reviews and security discussions to provide technical insights and recommendations.</li></ul>
<p><strong>What You Will Own:</strong></p><p><strong>Linux Infrastructure Operations</strong></p><ul><li>Full lifecycle administration of ~222 Linux servers (production, QA, development)</li><li>OS upgrades, patch management, and kernel updates</li><li>Performance monitoring and system tuning (CPU, memory, disk I/O, network)</li><li>User access management and authentication integrations (LDAP/AD)</li><li>Backup validation and disaster recovery readiness</li></ul><p><strong>Kubernetes / OpenShift Platform Ownership</strong></p><ul><li>Deploy, administer, and support <strong>Kubernetes/OpenShift clusters</strong> across environments</li><li>Manage cluster lifecycle: installation, upgrades, patching, and scaling</li><li>Configure and maintain:</li><li>Namespaces, RBAC, and security policies</li><li>Networking (CNI, ingress controllers, load balancing)</li><li>Persistent storage (PVCs, storage classes)</li><li>Support application teams with container deployments, troubleshooting, and performance tuning</li><li>Monitor cluster health using tools like Prometheus, Grafana, and native OpenShift tooling</li><li>Optimize cluster resource utilization and capacity planning</li><li>Implement and maintain CI/CD integrations for containerized workloads</li></ul><p><strong>Security & Hardening</strong></p><ul><li>Implement and maintain patching cadence across Linux and Kubernetes environments</li><li>System hardening aligned to CIS/STIG best practices</li><li>SELinux configuration and enforcement</li><li>Firewall configuration (iptables / firewalld)</li><li>Kubernetes security best practices (RBAC, pod security standards, image scanning)</li><li>Support vulnerability remediation from tools (Tenable, Qualys, etc.)</li><li>Log monitoring and audit review across infrastructure and containers</li></ul><p><strong>Incident Response & Production Stability</strong></p><ul><li>Lead root cause analysis (RCA) for infrastructure and platform incidents</li><li>Participate in on-call support for critical systems and clusters</li><li>Resolve Sev1/Sev2 outages across Linux and Kubernetes environments</li><li>Develop post-incident documentation and preventative controls</li></ul><p><strong>Modernization & Automation</strong></p><ul><li>Assess and remediate deprecated platform components</li><li>Standardize system and cluster configurations</li><li>Build documentation and operational runbooks</li><li>Drive infrastructure-as-code and automation initiatives (Ansible, Terraform, etc.)</li><li>Support migration of legacy workloads to containerized platforms</li></ul><p><strong>UNIX & OS/400 (IBM) Support</strong></p><ul><li>Administer UNIX environments (AIX/Solaris experience preferred)</li><li>Support integrations with IBM i (OS/400) systems supporting Rail operations</li><li>Ensure proper update and lifecycle management across platforms</li><li>Maintain cross-platform data and system dependencies</li></ul>
About the Role We are partnering with a well-established Atlanta-based organization to identify a Lead Systems Engineer who will serve as a key technical leader across enterprise infrastructure. This role is ideal for someone who thrives in complex environments and enjoys designing, implementing, and optimizing both on-premise and cloud-based systems. As a senior member of the IT team, you will lead infrastructure initiatives spanning Active Directory, Citrix environments, networking, and Azure cloud services, while acting as the highest escalation point for critical technical issues. Your work will directly impact system reliability, scalability, and overall business continuity. What You’ll Do Design and deliver scalable infrastructure solutions supporting business-critical applications Define and standardize system and cloud architecture across on-prem and Azure environments Provide advanced technical leadership across Windows Server, Citrix XenApp/XenDesktop, networking, and endpoint technologies Serve as the final escalation point for complex infrastructure and cloud-related issues Lead administration and optimization of Active Directory, including GPOs, DNS, DHCP, and identity integrations Manage and enhance Citrix application and desktop delivery platforms for performance and reliability Support and administer Azure services, including virtual machines, networking, and connectivity Define and implement Meraki networking configurations and integrations with cloud and virtual environments Oversee system patching, upgrades, and lifecycle management across infrastructure platforms Monitor, troubleshoot, and resolve system performance, availability, and scalability issues Collaborate with vendors and internal teams to evaluate and implement new technologies Develop and maintain comprehensive technical documentation Lead engineering initiatives and mentor entry level team members
<p><strong>Software Engineer (Databricks/Data Platform)</strong></p><p><strong>Hybrid 3-4 days onsite in Alpharetta, GA</strong></p><p><strong>Duration through 10/30/26</strong></p><p><br></p><p>We are looking for an experienced Software Engineer III to join our team in Alpharetta, GA. In this role, you will play a critical part in supporting and developing a Databricks-based data platform, focusing on creating scalable and efficient solutions during the development phase. This is a long-term contract position, requiring in-office work three to four days per week.</p><p><br></p><p>Responsibilities:</p><ul><li>Develop and support Databricks notebooks, jobs, and workflows</li><li>Write, optimize, and maintain PySpark and Python code for data processing</li><li>Help design scalable, reliable, and efficient data pipelines</li><li>Apply Spark best practices (partitioning, caching, joins, file sizing)</li><li>Work with Delta Lake tables and data models</li><li>Perform data validation and quality checks during development</li><li>Support cluster configuration and sizing for development workloads</li><li>Identify performance bottlenecks early and recommend improvements</li><li>Collaborate with Data Engineers to ensure solutions are production-ready</li><li>Document development standards, patterns, and best practices</li></ul>