Senior Linux Administrator Jobs in Fairfax, VA

Join our team to optimize and maintain IT systems, providing hands-on support and troubleshooting for infrastructure, client/server networks and user operations, ensuring reliability and performance a...

Transform the future of data centers by optimizing mechanical and electrical control systems. Collaborate with diverse teams to enhance efficiency and ensure compliance while leading projects that dri...

Join a team that's dedicated to enhancing network systems for a key Department of Defense client. Leverage your technical expertise in Windows and Linux systems while collaborating with scientists and...

Empower projects as a Senior Systems Engineer, leading end-to-end systems engineering efforts, collaborating with teams, and engaging stakeholders to drive mission success while ensuring thorough docu...

Deliver seamless system administration for Linux servers, ensuring robust security and compliance. This role involves configuring, monitoring, and upgrading network resources while supporting hardware...

Join a team that's at the forefront of systems engineering, analyzing and integrating complex architectures to meet mission requirements. Drive technical leadership and guide development processes to...

Join a team that's driving innovation through systems architecture and management. Design and maintain secure, high-availability infrastructures that support mission-critical operations while optimizi...

Join us to shape the future of cloud infrastructure by building and owning the observability pipeline for our datacenter hardware. This role requires refining raw telemetry into actionable insights cr...

Take ownership of network services administration, ensuring robust governance, scalability, and security compliance across operational environments while advising leadership on modernization strategie...

Deliver expert administration and optimization of enterprise backup systems, leading the migration to Veeam. Oversee disaster recovery and storage strategies while ensuring compliance and system perfo...

Deliver critical support for Linux systems and middleware platforms, ensuring operational stability and security in SaaS environments. Collaborate across teams to troubleshoot and maintain seamless ap...

Join a team that's dedicated to managing and securing Linux server environments. Leverage your expertise in system administration, AWS, and compliance to enhance our infrastructure and drive operation...

Support and optimize IT systems as a proactive System Administrator, driving trouble resolution and operational efficiency across multiple platforms while enhancing user experience and system performa...

Elevate IT infrastructure by ensuring seamless operation of servers, networks, and systems. Collaborate with teams to enhance security and reliability while providing technical support for users and i...

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...

Lead the charge in optimizing and securing a robust Windows environment, enhancing system performance and collaboration. Your expertise will directly contribute to crucial national security efforts in...

Join a team that's pivotal in supporting IT operations by deploying and managing operating systems and enterprise applications across DoD OIG networks, ensuring security and compliance while enhancing...

Drive ITSM platform efficiency by overseeing operations and maintenance tasks. Collaborate on system design and deployment while providing proactive support on ServiceNow for incident management and p...

Develop and maintain mission-critical software systems in secure Linux environments. Engage in full lifecycle software development, automation, data engineering, and collaboration across diverse teams...

Unlock innovation by designing, developing, and maintaining complex software systems in secure environments while collaborating with Agile teams to enhance mission-critical programs...

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...

Accelerate progress at the forefront of Marine Corps enterprise network solutions, focusing on the design, implementation, and support of cutting-edge web applications and F5 BIG-IP technologies to en...

Drive the charge in maintaining and optimizing IT systems, overseeing daily operations, troubleshooting, and enhancing performance across diverse technologies. Your expertise ensures seamless function...

Optimize enterprise automation solutions as a Linux specialist, leveraging Ansible to enhance systems management and scalability. Collaborate with stakeholders to reduce operational risks and implemen...

Champion the optimization of enterprise virtual infrastructures by managing and enhancing VMware environments. Collaborate on performance tuning and automation initiatives to ensure robust security an...