UNIX System Administrator Jobs in Fairfax, VA

Elevate your career by collaborating within a dynamic team as you support a high-impact program while managing Linux systems, configuring applications, and troubleshooting in a fast-paced environment...

Shape enterprise IT infrastructure for the DOD by administering systems, enhancing security, and ensuring optimal network performance while collaborating in a dynamic team environment to achieve missi...

Shape the future of technology in a mission-critical network, improving and maintaining Cross Domain Solutions while providing insights through performance management and leadership. Join us in solvin...

Contribute to the optimization of IT systems by managing infrastructure, resolving issues, and supporting both Tier 1 and Tier 2 operations. Enhance system reliability and performance while ensuring c...

Unlock your potential in a dynamic IT support role, overseeing infrastructure, enabling smooth operations, and troubleshooting issues across diverse systems while reinforcing security protocols for op...

Join a team that's dedicated to enhancing High Performance Computing capabilities by providing expert System Administration services, managing diverse operating systems, and resolving complex IT chall...

Develop and optimize high-performance computing systems while delivering exceptional support and maintenance. Collaborate with internal teams to enhance IT operations and troubleshoot issues effective...

Join a team that enhances system performance by ensuring the reliability and security of RHEL Linux systems while automating processes with Ansible, contributing to operational efficiency and infrastr...

Join a team that's dedicated to maintaining and optimizing RHEL Linux systems. As a specialist, you'll automate processes, ensure stability and security, and enhance operational efficiency while colla...

Engage as a Systems Administrator to enhance secure IT operations across on-premises and Azure environments. Drive system performance, manage identity services, and automate processes while ensuring r...

Join a team that's dedicated to maintaining and enhancing network performance, security, and reliability. Collaborate in a dynamic environment, troubleshooting and optimizing network infrastructure to...

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

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...

Empower IT systems through implementation, troubleshooting, and maintenance, ensuring optimal operations and user support across various platforms, while managing daily configurations and addressing c...

Advance your career by managing, optimizing, and securing complex infrastructure systems. Apply your expertise in Windows, Active Directory, and multi-cloud environments to support critical enterprise...

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...

Transform mission-critical systems through expert administration of Windows and Linux environments. Contribute to high-impact government programs by ensuring optimization, security, and reliability ac...

Provide effective Tier 2 IT support for LAN systems and applications, ensuring minimal downtime for end-users through prompt troubleshooting and maintenance of various network devices and services...

Accelerate your career by providing vital Infrastructure Server and Sustainment services to enhance High Performance Computing capabilities, ensuring optimal system performance and resolving complex I...

Drive innovative solutions by leading the design, development, and maintenance of a modern DevOps architecture to enhance software reliability, security, and performance. Collaborate within a dynamic...

Join a team that's evolving infrastructure to enhance system performance and security. Lead initiatives to design and maintain dynamic cloud architecture, ensuring optimal operations while supporting...

Execute high-impact virtualization strategies by designing, implementing, and optimizing VMware solutions across a large enterprise, ensuring robust performance and security for mission-critical opera...

Lead the charge in managing enterprise-level logging and monitoring systems, ensuring optimal performance and security across multi-region infrastructures, while providing advanced troubleshooting and...

Join a team that's pioneering systems administration by enhancing and troubleshooting Windows environments, Azure services, and desktop applications, while fostering innovation through automation and...

Partner with us to support, troubleshoot, and enhance IT systems, managing both day-to-day operations and escalations while ensuring optimal performance and reliability of diverse technological infras...