IT Infrastructure Administrator Jobs in Arlington, VA

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

Unlock potential by leading systems architecture initiatives, driving innovative solutions to ensure successful program execution and operational excellence across complex projects with a focus on tec...

Drive mission success by leveraging your experience as a Systems Administrator across complex programs. Collaborate with experts to enhance operational capabilities and support cutting-edge technologi...

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...

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...

Accelerate your career by managing high-performance Citrix systems. Take ownership of application delivery, infrastructure maintenance, and security compliance in a dynamic environment. Enjoy opportun...

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...

Lead the charge in maintaining secure enterprise application hosting environments, enhancing performance, and advising on infrastructure risks while ensuring compliance and operational resiliency acro...

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...

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...

Execute the daily configuration and operations of systems, encompassing comprehensive management in clinical technology to enhance performance and support users effectively in a fast-paced environment...

Lead the charge in maintaining robust enterprise network infrastructure by ensuring reliability, security, and performance. Collaborate across teams, diagnose issues, and support IT operations in a hy...

Join the team to deliver robust Linux administration and automation solutions. Enhance enterprise environments through CI/CD pipeline development, optimize system performance, and ensure operational s...

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...

Join a team that's transforming technology into opportunity by maintaining and operating complex IT systems. Provide critical support for UNIX/Windows servers, addressing technical challenges while en...