Linux Systems Administrator

Peraton; Washington (District of Columbia); Hybrid; USD 112,000 - 179,000; Full time

Benefits offered by this job

25 days PTO accrued annually

Heavily subsidized employee benefits

Attractive bonus plan

Job summary

A leading national security company is seeking an experienced Linux Systems Administrator IV to support critical intelligence operations. Responsibilities include system monitoring, troubleshooting, patch management, and maintaining security compliance. The ideal candidate will possess strong Linux administration skills, relevant experience, and a TS/SCI clearance. Successful candidates will thrive in high-stakes environments and be passionate about system integrity and security. Competitive salary range offered between $112,000 and $179,000 and excellent benefits are included.

Qualifications

• 8+ years of relevant experience in systems administration.
• Experience with TS/SCI clearance and ability to pass polygraph.
• Strong expertise in Unix/Linux systems administration.
• Proven experience with command-line administration.

Responsibilities

• Lead daily system monitoring and patching activities.
• Troubleshoot network and application performance issues.
• Manage and resolve customer issues through a ticketing system.
• Deploy software patches and apply system hardening.
• Collaborate with cross-functional teams for optimizations.

Skills

Linux administration

Systems administration

Security compliance

Team collaboration

Troubleshooting

Education

Bachelor's degree in a related field

Active Security+ certification

Tools

Red Hat OpenShift Platform

AWS Cloud

VMWare

IBM Db2

Apache Tomcat

Job description

Linux Systems Administrator

Job Locations

US-VA-Herndon | US-DC-Washington | US-MD-Riverdale

Location & Clearance

Location: Washington D.C., Maryland, and Virginia (DMV area) Clearance Required: TS/SCI with ability to pass a polygraph

Position Overview

Peraton is seeking a Linux Systems Administrator IV to join our team supporting a mission‑critical Intelligence Community customer. In this role, you’re at the heart of ensuring the reliability, performance, and security of enterprise‑level systems that directly support national security operations.

As a senior systems administrator, you will be responsible for maintaining high‑availability environments, rapidly troubleshooting and resolving complex issues, and working hands‑on with cutting‑edge technologies. You’ll partner closely with government customers, contractor leads, ISSOs, application vendors, and end users – making your impact both immediate and highly visible.

This is an opportunity for a proactive professional who thrives in high‑stakes environments and takes pride in delivering resilient, secure systems. If you have a passion for Linux, cloud, and security, and you’re ready to make a difference, we want to hear from you.

What You’ll Do

• Lead daily system monitoring and monthly patching activities to maintain performance, stability, and compliance.
• Troubleshoot network, server, and application performance issues, quickly identifying root causes and delivering solutions.
• Manage and resolve customer issues through a ticketing system, with flexibility to respond onsite during off‑hours when required.
• Deploy software patches and apply system hardening in alignment with Security Technical Implementation Guides (STIGs).
• Support and maintain IBM Db2 environments on Linux servers.
• Create and update technical documentation including SOPs, STPs, SIPs, SAGs, SUMs, and ICDs, translating complex system configurations into clear and actionable guidance.
• Collaborate with cross‑functional teams to anticipate problems, recommend improvements, and ensure secure, optimized operations.

Qualifications

• Bachelor's degree in a related field and 8+ years of relevant experience (An additional 4 years of experience in lieu degree).
• TS/SCI with polygraph clearance adjudication or ability to obtain SCI and pass a poly.
• Minimum 5 years in systems administration, including at least 3 years in Linux administration.
• Strong expertise with Unix/Linux operating systems; skilled in command‑line administration.
• Experience with Red Hat OpenShift Platform.
• Hands‑on experience with AWS Cloud and VMWare.
• Deep understanding of system hardening, STIG compliance, and patching.
• Active Security+ certification (DoD 8570 IAT Level II baseline).
• Strong teamwork skills, with the ability to anticipate issues and take decisive action.

Desired Qualifications

• Experience with IBM Db2 database environments.
• Familiarity with Java Open JDK/JRE 11+.
• Experience supporting applications built on SQL Server and Oracle databases.
• Scripting expertise (Bash, PowerShell) for system monitoring, log mining, and automation.
• Ability to write SQL/PL‑SQL queries for reporting and data management.
• Experience administering Apache Tomcat middleware.
• Demonstrated leadership skills in technical environments.

Peraton Overview

Peraton is a next‑generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Benefits

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and participation in an attractive bonus plan.

Target Salary Range

$112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.