IT Infrastructure Administrator Jobs in Arlington, VA

Transform enterprise infrastructure and cloud solutions to support national security missions. Collaborate with stakeholders, ensure successful deployments, and lead modernization initiatives while ov...

Manage global enterprise-scale transport services, ensuring high availability and reliability through expertise in Linux systems and hands-on troubleshooting. Join a dedicated team contributing to vit...

Elevate your career by supporting worldwide enterprise-scale bulk data transport services critical to national security. Engage in hands-on Linux administration and operational support while driving h...

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

Unlock potential by joining a dynamic IT Infrastructure team to design and manage hybrid systems, ensuring efficiency, security, and seamless collaboration across technologies while leveraging automat...

Unlock potential by leveraging your IT Systems Engineering expertise to ensure efficient performance across Windows and Linux environments. Play a key role in supporting system integration and optimiz...

Lead the management and troubleshooting of enterprise-level Windows and Linux systems. Optimize IT infrastructure solutions while supporting national defense missions, and enhance reliability and perf...

Unlock your potential by providing critical support and management for IT systems, optimizing their operations, and resolving complex technical issues. Collaborate with teams to ensure seamless functi...

Shape the future of IT support by managing critical systems for 600+ users. Engage in troubleshooting, system administration, and documentation while ensuring seamless operations in a dynamic environm...

Accelerate your career by providing technical support for complex systems, troubleshooting issues on Windows 11, and collaborating on IT solutions that enhance user experience and system security for...

Transform mission-critical systems as a Systems Administrator, ensuring the reliability and security of cloud infrastructures. Collaborate across teams to automate processes and enhance software deliv...

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 your career by implementing and managing VDI solutions for a critical IT infrastructure supporting a vast user base. Drive operational efficiency through collaboration and innovative securit...

Join our team to provide vital system administration and engineering support, ensuring operational security and performance across various networks. Collaborate efficiently while managing technical ch...

Join us to optimize cloud services and support our mission by managing Linux environments, enhancing system performance, and ensuring reliable cloud infrastructure for diverse technologies and process...

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...

Manage the implementation and operation of IT systems supporting DOJ's complex litigation needs. Optimize performance and ensure security while leading a team in a fully remote environment dedicated t...

Contribute to the optimization and management of operating systems, ensuring efficiency and reliability across diverse platforms. Engage in problem resolution and system design while supporting users...

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...

Transform user experiences by managing complex IT systems and help desk inquiries. Oversee UNIX and Windows environments while enhancing operational efficiency based on user needs and system performan...

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...

Deliver exceptional support and reliability in system administration for mission-critical telecommunications, ensuring security and operational continuity across 24/7 environments through proactive mo...

Join a team that's dedicated to maintaining mission-critical IT infrastructure. You'll ensure system reliability and security through proactive monitoring and troubleshooting, contributing directly to...

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...

Shape the future of High Performance Computing by managing diverse systems, optimizing performance, and resolving complex issues. Collaborate with IT teams to enhance services and support mission-crit...