Senior Linux Administrator Jobs in Reston, VA

Optimize your career with a role that supports NIH infrastructure, managing server environments and ensuring the reliability of critical systems. Join an expert team focused on enhancing operational p...

Join a team that supports critical cyber operations and enterprise IT for the Army National Guard. Leverage your skills to maintain system performance, ensure compliance, and contribute to mission rea...

Empower critical IT operations by leveraging Linux expertise to optimize system performance, security, and reliability. Collaborate with cross-functional teams to enhance infrastructure capabilities a...

Join a dynamic team to enhance IT systems management, support troubleshooting, and ensure operational excellence across a secure environment, optimizing performance and user experience while engaging...

Optimize IT systems through effective implementation, troubleshooting, and maintenance. Deliver daily operational support for diverse infrastructures while ensuring system reliability and performance...

Unlock your potential as you support critical communication systems in a dynamic 24/7 environment. Provide Tier 2 assistance and manage team operations while ensuring seamless IT performance across a...

Join our team to implement and manage enterprise network infrastructure, ensuring secure connectivity and optimal performance for a large-scale operation serving over 120,000 users across diverse loca...

Shape the future of enterprise network operations, security, and infrastructure while managing and sustaining an integrated IT environment with a focus on routing, switching, and network security tech...

Join us to leverage your Windows Server expertise in a dynamic role focused on infrastructure management, security compliance, and customer-driven solutions. You'll play a key part in optimizing perfo...

Deliver expert administration and management of ClearPath OS2200 systems, ensuring optimal performance and security. Collaborate with teams to enhance services, support integration, and drive continuo...

Join a team that's focused on optimizing IT systems, providing advanced troubleshooting, and ensuring reliable performance across diverse technologies in mission-critical enterprise environments...

Optimize IT system performance by providing advanced troubleshooting and maintenance support across diverse technologies in mission-critical environments, ensuring reliable operations and effective us...

Innovate and implement robust network solutions by maintaining computing environments, analyzing network requirements, and enhancing performance across various architectures to ensure optimal connecti...

Join a team that's shaping the future of IT operations by managing Windows and VMware systems in a secure environment. Collaborate on cutting-edge solutions to enhance efficiency and security within a...

Drive technical leadership by overseeing Windows systems administration for mission-critical environments, ensuring operational excellence while providing Tier 2 and 3 support and managing a skilled t...

Advance IT security and efficiency by designing and managing a robust VMware infrastructure. Collaborate with teams to enhance system performance and mentor junior staff, supporting critical initiativ...

Champion the enhancement of IT support services through effective systems administration, ensuring optimal performance of Windows environments while collaborating with teams to deliver solutions for c...

Join a team that's critical to maintaining system reliability and security, optimizing enterprise application servers, and ensuring compliance with cybersecurity directives for a mission-driven progra...

Champion operational excellence by managing enterprise systems, ensuring compliance with cybersecurity standards, and supporting critical IT infrastructure for mission success across diverse environme...

Unlock potential by leading cloud automation initiatives with expertise in DevOps and Windows Server administration. Collaborate with management to create innovative delivery systems for analytics and...

Shape the future of network management by designing, implementing, and maintaining secure and high-performing LAN/WAN systems. Collaborate across IT teams to ensure infrastructure reliability and supp...

Elevate your career by supporting mission-critical networks. Collaborate in a dynamic environment, troubleshoot network issues, and maintain cutting-edge infrastructure to deliver optimal solutions fo...

Champion secure infrastructure in mission-critical environments through hands-on management and support of Linux and Windows systems, ensuring seamless operations and compliance for vital intelligence...

Transform the future of secure access management by leading the deployment of cutting-edge Delinea Tools across Linux environments, bridging operational needs with technological solutions while ensuri...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...