Linux System Administrator Jobs in Manassas, VA

Support and enhance cloud-based systems by managing Linux environments, ensuring security compliance, and optimizing performance. Collaborate with teams to resolve issues and improve system functional...

Deliver expert administration and management of ClearPath OS2200 systems, ensuring optimal performance and security. Collaborate with teams to enhance services, support integration, and drive continuo...

Manage and optimize IT systems, providing hands-on support, troubleshooting, and performance monitoring across both Windows and UNIX environments. Engage in AWS cloud solutions and contribute to DevOp...

Optimize IT system performance by providing advanced troubleshooting and maintenance support across diverse technologies in mission-critical environments, ensuring reliable operations and effective us...

Champion the administration and security of enterprise server environments, ensuring reliable operation of critical information systems while leading efforts in system modernization and troubleshootin...

Accelerate progress at a dynamic organization by developing robust automation frameworks and optimizing Linux environments. Collaborate with stakeholders to enhance operational efficiency and mitigate...

Drive efficiency and security in VDI environments by providing senior-level system administration expertise, leading onboarding, ticket escalations, and strategic enhancements to support evolving tech...

CTC Group is seeking System Administrators at levels 1-3 to support the implementation, troubleshooting, and maintenance of IT systems. The role involves managing IT system infrastructure, providing d...

Join a dynamic team as you leverage your systems engineering expertise to analyze requirements, lead design initiatives, and ensure technical integrity in a high-stakes operational environment...

Optimize mission-critical IT systems while ensuring secure, reliable operations. Collaborate with cross-functional teams to implement change management and address vulnerabilities in a federal environ...

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...

Join a team that’s dedicated to maintaining robust IT systems and security. As a Senior System Administrator, you'll ensure data integrity and provide technical guidance while contributing to mission...

Lead our IT Support Team by managing systems administrators, overseeing infrastructure compliance, and supporting 400+ users. Provide expert-level systems administration and deliver top-notch customer...

Oversee and enhance IT system operations across diverse environments. Manage storage solutions, provide troubleshooting support, and ensure seamless integration of multi-vendor platforms in a complex...

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...

Unlock your potential as a System Administrator, guiding all phases of the system engineering lifecycle, producing vital technical documentation, and collaborating closely with a mission-driven team t...

Join our team to manage essential IT infrastructure, providing administration and support for Windows and Linux systems while ensuring security, performance, and availability of enterprise services li...

Transform mission-critical systems through expert administration of Windows and Linux environments. Contribute to high-impact government programs by ensuring optimization, security, and reliability ac...

Build and maintain robust enterprise IT systems, ensuring optimal performance, security, and reliability across Windows and Linux platforms while supporting DHS operational needs and compliance standa...

Champion secure infrastructure in mission-critical environments through hands-on management and support of Linux and Windows systems, ensuring seamless operations and compliance for vital intelligence...

Elevate your career by managing and optimizing critical RHEL infrastructure. You’ll oversee system administration, security, and performance, ensuring robust support for essential operations while col...

Empower operations as a System Administrator for MODES III, managing AWS and on-prem cloud systems. Ensure system security, availability, and performance while collaborating with DevOps teams to suppo...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...

Develop and manage IT systems infrastructure, providing troubleshooting and maintenance support. Ensure optimal performance of client/server, network, and mobile devices while leading Tier 1 and 2 iss...

Shape the future of IT systems by implementing, troubleshooting, and maintaining varied technologies. Support day-to-day operations, enhance system performance, and ensure compliance with security con...