Linux System Administrator Jobs in Fairfax, VA

Optimize operations by supporting DoD networks in Special Access Programs. Provide crucial system administration and technical guidance, ensuring a secure and efficient IT environment to enhance missi...

Take ownership of providing essential network support for sensitive DoD operations. Work with security protocols and ensure optimal performance of systems, while engaging closely with IT teams and sta...

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...

Lead the administration and support of various platforms, ensuring optimal performance and security. Collaborate across departments to integrate new technologies and evaluate system needs while mainta...

Inspire and support secure network operations for critical government systems by managing computer systems, enhancing cybersecurity measures, and leading IT teams to ensure compliance with national se...

Unlock potential by joining our team as you maintain, secure, and optimize Linux systems for cyber investigations and operations, ensuring peak performance and minimal downtime, while contributing inn...

Transform your career with a dynamic role focused on systems administration, requiring expertise in Linux, VMWare, and automation. Engage in configurations and security management while collaborating...

Optimize the performance and security of multi-user computer systems while managing resources and user accounts to ensure efficient operations. Collaborate with teams to enhance system functionality a...

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...

Champion the optimization of on-premises and cloud Kubernetes environments, ensuring application scalability and reliability while integrating with CI/CD pipelines for enhanced efficiency and performa...

Optimize system operations and enhance security protocols, ensuring resilience and efficiency. Engage with advanced troubleshooting and network configuration in a dynamic environment, supporting criti...

Unlock new possibilities as you support and enhance Cloud Service Provider environments, ensuring robust security measures through monitoring, access control, and comprehensive documentation. Collabor...

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...

Join us to leverage your Windows Server expertise in a dynamic role focused on infrastructure management, security compliance, and customer-driven solutions. You'll play a key part in optimizing perfo...

Shape the future by ensuring reliable platform infrastructure operations. Drive automation, streamline system management, and enhance security while collaborating with teams to troubleshoot issues and...

Drive transformative systems administration initiatives while leveraging diverse technical expertise in Linux, Unix, and Windows environments. Collaborate on application and data flow management withi...

Empower a dynamic IT environment by providing hands-on support and maintenance for systems. Collaborate to troubleshoot issues, enhance performance, and optimize technologies across both Linux and Win...

Drive the performance and maintenance of IT systems. Support users and teams in a dynamic environment, ensuring reliability across cloud, Linux, and Windows systems. Tackle technical issues with profi...

Join our team to enhance operational effectiveness by managing the Equipment Common Operating Picture application. Leverage your analytical skills to provide administrative support and ensure mission...

Drive technical leadership by overseeing Windows systems administration for mission-critical environments, ensuring operational excellence while providing Tier 2 and 3 support and managing a skilled t...

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...

Innovate robust cloud infrastructure solutions while supporting a dynamic 24/7 high visibility environment. Collaborate with IT professionals, oversee VMware systems, and tackle complex projects to dr...

Transform the future of secure access management by leading the deployment of cutting-edge Delinea Tools across Linux environments, bridging operational needs with technological solutions while ensuri...

Join a team that's at the forefront of high-performance computing, designing and maintaining robust, low-latency networks across multiple sites, while ensuring secure and efficient data transfers for...