Location: Washington D.C., Maryland, and Virginia (DMV area)
Clearance Required: TS/SCI with ability to pass CI polygraph
Peraton is seeking a Linux Systems Administrator IV to join our team supporting a mission-critical Intelligence Community customer. In this role, you’ll be 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.
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.
Bachelor’s degree in a related field and 8+ years of relevant experience (An additional 4 years of experience in lieu degree).
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.
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 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.
Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at
Application Duration Statement: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
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