Senior System Administrator Team Lead

About the role

The Test and Training Enabling Architecture (TENA) program at Leidos is seeking a Senior System Administrator Team Lead. The mission is to develop tools for the United States Department of Defense test and training communities, accelerating the development cycle and delivering capabilities to the warfighter more rapidly. This position works on‑site in Alexandria, VA, leading a team of engineers, developers, and system administrators to add new capabilities to enclaves and ensure existing systems are secure and performant.

Responsibilities

• Manage tasks and sub‑task assignments to team members
• Lead bi‑weekly team meetings
• Track status of team members’ tasking
• Provide technical reviews of team members’ work
• Provide technical leadership for migrating on‑premise infrastructure to a hybrid cloud solution
• Participate in and contribute to design discussions to improve capabilities, performance, and security posture of new and existing services
• Support troubleshooting from OS to application level issues
• Support installation and maintenance of Linux servers
• Manage networking equipment including switches, routers, and firewalls
• Configure and maintain core enclave infrastructure services such as DHCP, DNS, e‑mail, Apache Web Servers, Tomcat application servers, Atlassian applications, and MariaDB database servers
• Configure and monitor security tools required for DoD networks

Basic Qualifications

• U.S. citizen with at least an active Secret clearance or higher
• Bachelor’s degree with 12+ years of experience, or Master’s degree with 10+ years of experience (additional experience may substitute for a degree)
• 10+ years of relevant experience in system administration on Linux servers, networking equipment, and security monitoring equipment
• 6+ years of experience maintaining a DoD organization’s mission‑critical IT systems and managing the supporting team
• 3+ years of experience leading a team of 5+ engineers/administrators
• Experience overseeing deployment and maintenance of physical servers
• Experience employing security best practices, including patch management, access controls, and compliance audits
• DoD 8570 IAT Level I compliance

Preferred Qualifications

• 12+ years of experience providing system administration to DoD IT systems
• Proven track record of translating high‑level objectives into individual deliverables that meet or exceed customer needs
• DoD 8570 IAT Level III compliance

Pay

Pay Range: $131,300.00 – $237,350.00 (guideline only; actual compensation depends on responsibilities, education, experience, skills, internal equity, market data, and applicable agreements).

Benefits

• Competitive compensation
• Health and wellness programs
• Income protection
• Paid leave
• Retirement plans