UNIX System Administrator Jobs

Advance high-performance computing environments by managing Linux/Unix systems, troubleshooting infrastructure issues, and optimizing performance to meet mission-critical requirements in a dynamic and...

Join a team that's dedicated to optimizing high-performance computing environments. Manage Linux and Unix systems, troubleshoot infrastructure challenges, and enhance operational efficiency to support...

Empower the stability of critical systems by resolving complex IT and OT issues, collaborating with diverse teams, and maintaining operational continuity in a 24x7 environment as the final escalation...

Elevate IT reliability by expertly managing complex incidents across IT and OT systems. Serve as the key escalation point during business hours, ensuring efficient resolution and seamless collaboratio...

Champion a robust operational framework by providing Linux systems support, mentoring teams, and implementing security practices to enhance server performance and reliability. Lead in system managemen...

Transform critical infrastructure as a seasoned system administrator, managing RHEL and VMware environments while ensuring compliance and security in support of DoD operations. Lead initiatives in cyb...

Manage virtualization support teams and maintain server solutions. Ensure optimal performance for Windows and Linux servers while driving improvements in operational efficiency. Engage directly with c...

Engineer robust network solutions by managing and supporting critical systems, including LANs and WANs. Collaborate on designing efficient models while providing essential support within high-security...

Pioneer your career by managing and supporting our Microsoft 365 environment, focusing on Teams, Exchange Online, and user access. Ensure seamless communication, resolve issues, and maintain documenta...

Join a team that's dedicated to enhancing data pipeline stability and server administration for enterprise analytics systems. Support the transition of legacy data models into Tableau while ensuring c...

Optimize and secure enterprise network infrastructure. Drive projects to enhance performance and resiliency while mentoring a dedicated team. Evaluate emerging technologies for improved security and e...

Shape the future of technical support by resolving complex issues, collaborating with teams, and training staff to enhance customer experiences and optimize services in a dynamic environment...

Empower mission-critical operations by ensuring a secure Linux environment. Collaborate with government and contractor teams to support physical and virtual servers, enhancing system availability and...

Unlock potential by maintaining a secure Linux environment, supporting critical operations and collaborating with a dedicated team to ensure system availability and compliance in a dynamic mission-dri...

Join a dynamic team as you support and optimize IT systems in complex enterprise environments. Leverage your expertise in Linux, HPC, and advanced networking to enhance mission-critical infrastructure...

Elevate IT systems management by optimizing and supporting mission-critical infrastructure. Lead advanced troubleshooting in high-performance computing environments, ensuring seamless operations and e...

Shape the future of Parsons Classified Networks by overseeing system administration, ensuring compliance with regulations while enhancing user experiences and optimizing operations through innovative...

Unlock potential by leading IT infrastructure design and administration across multiple sites. Ensure compliance, support cloud solutions, and innovate with stakeholders while maintaining security and...

Champion the maintenance and operation of secure training solutions for a major defense program, ensuring compliance with DoD standards and optimizing performance across diverse systems in a collabora...

Transform your career by managing IT systems and providing Tier 1 & 2 support. Collaborate with a skilled team to ensure seamless operations, troubleshoot technical issues, and optimize system perform...

Discover an exciting opportunity to support NASA's human spaceflight programs as an HPC Linux System Administrator. Collaborate with a skilled team to manage high-performance computing systems, ensuri...

Empower our corporate IT systems by providing vital support, troubleshooting issues, and optimizing services. Join a dynamic team where your expertise will enhance employee experiences and contribute...

Drive enterprise IT operations by managing Linux/Windows servers, network infrastructure, and virtualization. Engage in a range of roles from entry-level support to senior specialists, ensuring seamle...

Join a team that's dedicated to optimizing Linux infrastructure. Leverage your expertise in Red Hat and Puppet to ensure system stability and security while collaborating with cross-functional teams i...

Elevate your career by leveraging your Linux expertise to support mission-critical infrastructure. Collaborate across various technologies to enhance security, reliability, and performance in a dynami...