Linux Systems Administrator
$112,000–$179,000 year
On-siteWashington, District of Columbia, United States or Herndon, Virginia, United States
Job Summary
Lead daily system monitoring and monthly patching activities to maintain performance, stability, and compliance for enterprise-level systems supporting national security operations. Troubleshoot network, server, and application performance issues, quickly identifying root causes and delivering solutions while managing and resolving customer issues through a ticketing system. Deploy software patches and apply system hardening in alignment with Security Technical Implementation Guides (STIGs), and support and maintain IBM Db2 environments on Linux servers. Create and update technical documentation including SOPs, STPs, SIPs, SAGs, SUMs, and ICDs, and collaborate with cross-functional teams to anticipate problems and ensure secure, optimized operations. This role requires TS/SCI clearance with polygraph capability and is located in the DMV area.
Required 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
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