IT Systems Administrator Jobs in Alexandria, VA

Help us maintain operational excellence in a high-profile DOD environment. As an Intermediate NOSC Technician, you will monitor, troubleshoot, and ensure secure IT services for mission-critical operat...

Empower your career by joining a dedicated team focused on advancing C4ISR systems for military applications. Leverage your expertise in Windows Systems Administration to enhance mission-critical solu...

Unlock potential by managing and securing enterprise networks as a Windows Systems Administrator. You'll enhance performance, support security operations, and ensure our systems meet federal guideline...

Bring your expertise to ensure the security and operational resilience of Windows-based infrastructure. Collaborate in a dynamic environment with cybersecurity professionals to implement and maintain...

Engineer Windows-based infrastructure security and resilience. Collaborate closely with cybersecurity teams to implement secure server configurations and manage identity solutions, ensuring operationa...

Manage and secure Windows-based infrastructure, ensuring compliance and operational resilience. Collaborate with cybersecurity teams to implement hardening and identity management solutions that prote...

Accelerate progress at the forefront of Network Security by managing critical systems and providing vital support in troubleshooting, implementation, and maintenance of advanced network security infra...

Join a team that's dedicated to managing network security boundaries, providing both Tier 1 and Tier 2 support, and ensuring the integrity and performance of firewalls, VPNs, proxies, and load balance...

Join a team that's redefining desktop virtualization by providing expert support for VDI systems in a dynamic environment. Collaborate to optimize performance and elevate customer experiences while me...

Execute daily system management and upkeep for multi-user environments, supporting defense operations through configuration, maintenance, and analytics. Collaborate with partners to enhance capabiliti...

Empower operational excellence by managing complex IT infrastructures, troubleshooting unique systems issues, implementing applications, and enhancing process efficiencies while mentoring junior team...

Champion the maintenance and optimization of LINUX systems, ensuring robust performance and security through advanced troubleshooting and automation. Collaborate within a dynamic team to enhance syste...

Drive operational excellence in high-stakes IT environments, ensuring uptime and reliability through advanced troubleshooting and system optimization. Collaborate with diverse teams to address technic...

Contribute to high-stakes IT systems by maintaining uptime and performance. Engage in advanced troubleshooting and optimization for Windows and UNIX environments, ensuring mission success through quic...

Manage and optimize RHEL servers while ensuring the security and reliability of the IT infrastructure. Collaborate with teams to implement solutions and automate processes, providing 24/7 support for...

Join a team that's transforming diverse systems into a cohesive solution. Contribute to improving security and user experience while ensuring robust management capabilities in a high-visibility, long...

Build a cohesive system solution by analyzing current architectures and enhancing user experience. Collaborate with stakeholders, implement scalable solutions, and provide direct support during the sy...

Support our mission by administering and enhancing Linux and virtualized systems while ensuring security compliance. Leverage your expertise in systems management to maintain infrastructure performanc...

Elevate system performance by architecting and managing complex infrastructures, leading cloud integrations while ensuring adherence to federal security compliance and optimizing operations for high a...

Manage and enhance systems to ensure optimal performance, security, and reliability within a dynamic environment. Collaborate with teams to support network and server infrastructure while ensuring com...

Advance your career by managing Unix/Linux environments, ensuring system resilience and security. Collaborate with teams to optimize multi-environment systems while safeguarding against modern vulnera...

Engineer scalable solutions by managing Linux server environments, developing Ansible Playbooks for automation, and ensuring system security on hybrid networks while collaborating across teams to enha...

Optimize mission-critical desktop infrastructure through expert support and maintenance of custom Linux-based workstations, enhancing High Performance Computing capabilities across two locations in a...

Innovate and sustain the Linux production environment, overseeing all aspects of Linux server management while collaborating with the team to enhance IT infrastructure and deliver robust solutions in...

Champion cybersecurity by leading our information systems security efforts. Utilize your expertise to develop policies, conduct risk assessments, and collaborate across teams to ensure the security an...