Senior Linux Systems Administrator (TS/SCI) – DMV

Peraton; United States; On-site; USD 112,000 - 179,000; Full time

Benefits offered by this job

25 days PTO

Enhanced benefits

Bonus plan

Job summary

Peraton is seeking a Linux Systems Administrator IV in the DMV area to ensure reliable, secure, enterprise-level systems supporting national security operations. You will lead high-availability environments, troubleshoot complex issues, and work closely with government customers, ISSOs, and end users to deliver resilient systems.

The role emphasizes hands-on Linux, cloud, and security with opportunities to influence security posture and system performance in a critical National Security program.

Qualifications

• Bachelor's degree in a related field required.
• 8+ years of relevant experience; 4 years in lieu of degree accepted.
• TS/SCI with polygraph clearance or ability to obtain SCI and pass poly.
• Minimum 5 years in systems administration, 3 years in Linux.
• Strong Unix/Linux command-line skills.
• Experience with Red Hat OpenShift Platform.
• Hands-on AWS Cloud and VMware experience.
• Deep understanding of system hardening, STIG compliance, and patching.
• Active Security+ certification (DoD 8570 IAT Level II).

Responsibilities

• Lead daily system monitoring and monthly patching to maintain performance and compliance.
• Troubleshoot network, server, and application performance issues; identify root causes and implement fixes.
• Manage and resolve customer issues via ticketing system; respond onsite during off-hours when required.
• Deploy software patches and apply system hardening in line with STIGs.
• Support and maintain IBM Db2 environments on Linux servers.
• Create and update technical documentation (SOPs, STIPs, SIPs, SAGs, SUMs, ICDs).
• Collaborate with cross-functional teams to anticipate problems and optimize operations.

Skills

Linux administration

OpenShift

AWS

VMware

STIG compliance

Security+

Unix/Linux

System monitoring

Education

Bachelor's degree in a related field

Tools

Red Hat OpenShift Platform

Job description

Peraton is seeking a Linux Systems Administrator IV in the DMV area to ensure reliable, secure, enterprise-level systems supporting national security operations. You will lead high-availability environments, troubleshoot complex issues, and work closely with government customers, ISSOs, and end users to deliver resilient systems.

The role emphasizes hands-on Linux, cloud, and security with opportunities to influence security posture and system performance in a critical National Security program.