Senior Systems Administrator — Linux/Windows, RMF/DoD

Society of Defense Financial Management; Chantilly (VA); Hybrid; USD 92,000 - 167,000; Full time

Benefits offered by this job

Competitive compensation

Health and Wellness programs

Income Protection

Paid Leave

Retirement

Job summary

Leidos is seeking a System Administrator to support an IC system test, integration lab, and production environment. Responsibilities include hands-on IT infrastructure support, daily monitoring, backups, and security compliance with RMF and IAVA patch management.

Required TS/SCI CI poly, 12 years of combined experience, and DoD 8570 IAT Level 2. The role involves troubleshooting networks, maintaining Linux and Windows servers, and mentoring junior staff.

Qualifications

• Requires TS/SCI CI polygraph clearance.
• Total experience: 12 years (equivalent combinations allowed).
• DoD 8570 IAT Level 2 compliance.

Responsibilities

• Prepare documentation and deliverables with strong writing skills.
• Troubleshoot and manage Cisco/Juniper network devices.
• Operate and maintain Linux RHEL and Windows servers.
• Manage backups and daily system monitoring and logs.
• Provide guidance and training to junior staff.
• Apply OS patches and perform system capacity planning.

Skills

Troubleshooting

Documentation writing

Training junior staff

System monitoring

Problem solving

Education

Doctorate (PhD)

Master's degree

Bachelor's degree

HS diploma

Tools

MicroFocus/OpenText

HP Network Monitoring

VMware / VCenter

Linux RHEL administration

Windows Server administration

Job description

Leidos is seeking a System Administrator to support an IC system test, integration lab, and production environment. Responsibilities include hands-on IT infrastructure support, daily monitoring, backups, and security compliance with RMF and IAVA patch management.

Required TS/SCI CI poly, 12 years of combined experience, and DoD 8570 IAT Level 2. The role involves troubleshooting networks, maintaining Linux and Windows servers, and mentoring junior staff.