Senior Linux Administrator Jobs in Greenbelt, MD

Elevate server performance by designing, implementing, and maintaining secure, enterprise-level server infrastructure, leveraging virtualization, automation tools, and best practices for efficiency an...

Champion the management and optimization of RHEL infrastructure, overseeing system administration and security measures, while ensuring high availability and performance for federal client operations...

Join a team that optimizes RHEL infrastructure, ensuring system stability, security, and performance. Your expertise will support critical federal operations through management, troubleshooting, and c...

Champion innovative Linux solutions to enhance government network compliance and security. Collaborate on the design and support of an enterprise-level ACAS implementation while training technicians t...

Shape the future of cloud systems by supporting RedHat Linux virtual machines, implementing security updates, and collaborating with teams to enhance system performance. Play a pivotal role in ensurin...

Advance network and system administration through expert support of Windows, Linux, and virtual infrastructures. Collaborate on day-to-day operations, security, and automation to ensure optimal perfor...

Engineer, implement, and maintain critical IT systems while providing support, troubleshooting, and managing day-to-day operations to optimize performance and reliability in a complex technical enviro...

Engage in the support, management, and optimization of IT systems, ensuring operational efficiency and problem resolution. Collaborate with teams to enhance system infrastructures and maintain seamles...

Oversee IT support and administration for Windows/Linux environments in an air-gapped setting, ensuring reliable systems and efficient ServiceNow integration, while collaborating with a team to meet c...

Join a team that's responsible for building and maintaining a scalable, secure, and performant Linux infrastructure through automation and modern tooling, ensuring high availability and adherence to b...

Engage as a Systems Administrator to enhance secure IT operations across on-premises and Azure environments. Drive system performance, manage identity services, and automate processes while ensuring r...

Grow your career with us! As an IT Systems Administrator, you'll manage end-user technology, SaaS platforms, and core IT systems to ensure security and efficiency. Collaborate with teams to enhance pr...

Unlock potential by leading systems architecture initiatives, driving innovative solutions to ensure successful program execution and operational excellence across complex projects with a focus on tec...

Drive mission success by leveraging your experience as a Systems Administrator across complex programs. Collaborate with experts to enhance operational capabilities and support cutting-edge technologi...

Contribute to the optimization of mission-critical Linux systems, ensuring high availability and security. Collaborate with cross-functional teams to support infrastructure, automate tasks, and enhanc...

Oversee the management of high-performance computing systems and storage solutions, ensuring optimal operation, security compliance, and user support to meet advanced Earth science modeling needs in a...

Engineer secure, high-performance Linux systems in a mission-critical environment. Leverage enterprise application support, virtualization, and automation to optimize infrastructure for reliability an...

Lead the charge in designing and supporting critical systems, ensuring reliability and compliance while mentoring junior engineers. Your expertise will drive efficient infrastructure solutions with a...

Advance your career as a Systems Administrator, providing critical technical support while delivering excellent customer service. Engage with users and ensure seamless operation of hardware and softwa...

Unlock your potential as a Systems Administrator, optimizing mission-critical systems in a secure environment. Leverage your skills in cloud infrastructure, automation, and Linux to enhance collaborat...

Champion vulnerability remediation and system hardening in a diverse enterprise environment. Collaborate with INFOSEC to ensure compliance, drive execution, and maintain security across Windows and Li...

Elevate mission-critical infrastructure by managing secure systems and ensuring optimal performance for servers and networks while supporting classified IT operations...

Lead the charge in managing server infrastructure and software systems, ensuring optimal performance, continuity, and security while collaborating closely with project teams to drive innovations and s...

Advance technical leadership in Linux service delivery, driving strategic direction, operational excellence, and team development. Collaborate with clients and senior management to enhance performance...

Provide full operational management of high-performance computing systems, ensuring optimal performance and security. Collaborate with teams to troubleshoot complex challenges while maintaining a proa...