UNIX System Administrator Jobs in Reston, VA

Join a team that's dedicated to enhancing IT infrastructure. Leverage your server engineering expertise to provide comprehensive installation, configuration, and support for critical systems in a dyna...

Support and optimize ServiceNow administration to enhance IT service delivery. Engage with stakeholders to refine workflows and maintain system integrity while ensuring effective reporting in a missio...

Manage the operational integrity and security of dynamic network systems. This role involves monitoring performance, responding to incidents, and guiding operational policy, ensuring mission-critical...

Join us as a Network Operations System Administrator to ensure the security, performance, and availability of critical network systems, driving efficiency through analytics and incident response in a...

Drive Adelphi's security program, ensuring compliance and collaboration in a fast-paced environment. Lead efforts for timely DoD authorization, integrating security architecture with operations while...

Elevate your career by leading complex IT program management and integration efforts. Collaborate with cross-functional teams to fulfill strategic objectives, design secure cloud environments, and ens...

Advance satellite operations by leading system development from design to deployment, ensuring effective project oversight and coordination among government stakeholders for innovative space programs...

Empower technical excellence by mentoring peers, optimizing server/network environments, and ensuring operational compliance in a dynamic Data Center setting, driving continuous improvement and tech a...

Manage a dynamic cybersecurity program for classified systems in a hybrid environment. Oversee risk management, compliance, and continuous monitoring, while providing expert direction to a team and co...

Drive automation initiatives to enhance system security evaluations and facilitate seamless project compliance and approvals while ensuring continuous monitoring and assessment in a dynamic environmen...

Elevate training effectiveness by developing high-quality instructional media assets for the Army National Guard's IT training programs, ensuring alignment with production baselines and Government upd...

Contribute to the administration of SharePoint environments, ensuring secure architecture and compliance while enhancing collaboration through Microsoft Power Platform solutions. Deliver responsive su...

Optimize project execution by supervising electrical work across multiple sites, ensuring adherence to safety, budget, and timelines. Be a key leader in delivering critical infrastructure projects whi...

Elevate your career by managing intricate network systems, solving complex connectivity issues, and optimizing performance for critical operations. Join us in enhancing infrastructure and ensuring cyb...

Join a team that's redefining server management by delivering high-quality Linux administration and cloud support, ensuring robust security and compliance while utilizing innovative solutions to meet...

Lead the charge in directing field operations and ensuring project success. Oversee subcontractor coordination, safety compliance, and quality control for large-scale projects while fostering a safe a...

Elevate software development by utilizing Agile methodologies, spearheading problem-solving initiatives, and managing multiple development aspects while ensuring quality and stakeholder engagement...

Transform the future of HPC systems through innovative software development, emphasizing reliability, performance, and scalability. Collaborate with a skilled team to design and maintain cutting-edge...

Shape the future of high-performance computing by leading software design, development, and maintenance for a cutting-edge distributed Metrics and Monitoring solution, ensuring optimal reliability and...

Engineer impactful mainframe systems, ensuring high performance and availability. Lead complex projects, mentor junior staff, and drive continuous improvements in a remote-oriented, collaborative data...

Lead the charge in securing greenfield data center campuses, overseeing physical security from construction to operations, driving compliance, and partnering with engineering teams to deploy advanced...

Support the Army National Guard's IT and cybersecurity operations by administering and maintaining identity services. Ensure compliance and security across both classified and unclassified networks wh...

Drive operational excellence by leading diverse teams in building and supporting cloud data centers, ensuring timely project delivery, and implementing strategic improvements across all locations in a...

Engage in designing, implementing, and maintaining SharePoint systems to enhance mission-critical environments. Contribute expertise in system operations as part of a dynamic government program, ensur...

Lead the charge in enhancing client security through strategic patch management, vulnerability remediation, and operational delivery. Collaborate with teams to optimize exposure reduction and drive im...