IT Infrastructure Administrator Jobs in Fairfax, VA

Empower enterprise networks by providing expert administration in a dynamic hybrid cloud environment. Enhance infrastructure performance and security while ensuring reliable support and documentation...

Join a team that's dedicated to implementing and maintaining IT systems for federal contracts, providing vital support and ensuring high reliability of client/server, storage, and network devices whil...

Explore opportunities to manage and enhance IT systems, providing support for troubleshooting, maintenance, and user assistance. Collaborate with teams to optimize operations and ensure performance me...

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...

Empower system performance by providing crucial administration support for large-scale Linux infrastructure, ensuring operational excellence through monitoring, problem resolution, and security adhere...

Join a team that’s pivotal in managing Microsoft Identity and cloud technologies. Oversee system integrity and performance while ensuring seamless operations for various applications and databases in...

Unlock the potential of mission-critical systems by optimizing cloud infrastructure, enhancing CI/CD pipelines, and ensuring security in a dynamic, collaborative setting focused on innovation and reli...

Advance your career by driving Army IT approvals and governance, ensuring technology investments align with critical policies. Your expertise will enhance operational readiness and promote seamless mi...

Manage the IT Approval System to ensure Army technology aligns with governance. Your analytical skills will improve workflow efficiency, compliance, and decision-making speed, directly impacting the A...

Deliver comprehensive Linux system administration support, ensuring the stability and performance of critical infrastructure through effective management of CentOS, Rocky, and RHEL environments while...

Play a key role in managing and maintaining Linux systems, collaborating with teams to ensure optimal server performance while adhering to security protocols and guidelines. Leverage extensive experie...

Join a team that ensures secure, compliant IT operations for mission-critical services. As a System Administrator, you'll manage server environments, support cybersecurity protocols, and collaborate w...

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...

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...

Partner with us to enhance mission-critical IT systems for federal law enforcement, ensuring optimal performance and operational efficiency while supporting cutting-edge technology and delivering supe...

Drive excellence in system administration, providing support for Linux servers and workstations in a high-security RDT&E environment while implementing best practices to enhance performance and securi...

Elevate your career as a Windows Systems Administrator, managing and securing a dynamic Windows server and virtual infrastructure. Leverage your advanced skills in automation, PowerShell scripting, an...

Unlock potential by governing infrastructure operations, overseeing modernizations, developing standards, and advising leadership to ensure resilience and compliance in diverse IT environments...

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...

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...

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...

Empower mission success by administering Windows systems in DoD environments. Leverage your expertise to enhance security, ensure compliance, and support critical operations within regulated and class...

Support critical satellite operations by maintaining systems and resolving issues. Collaborate with technical leads to implement IT solutions, automate monitoring, and ensure service continuity for vi...

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...