Senior Linux Systems Administrator

Job overview

Compensation is $120,000–$125,000 per year. The Senior Linux Systems Administrator role is onsite in Dahlgren, VA. The position supports the Air Force Joint Worldwide Intelligence Communications System/Joint Interoperability Test and Services mission. The role provides advanced administration and engineering for secure, resilient Linux infrastructure across classified and unclassified environments. It maintains system availability and security while resolving complex technical issues and coordinating with government and engineering teams.

What you'll do

• Administer, engineer, optimize, and maintain Linux systems
• install, harden, patch, upgrade, and decommission systems and services
• automate builds and configuration
• troubleshoot Linux and virtualized infrastructure
• monitor performance and security
• apply DISA STIGs and remediate vulnerabilities
• support storage, backups, and data transfers
• document systems and procedures
• mentor administrators
• participate in scheduled maintenance and required after-hours or on-call support.

What we're looking for

Skills & competencies

senior linux systems administrator

delaware nation industries

dahlgren va

linux administration

red hat enterprise linux

vmware

ansible

bash

python

dod ts/sci

disa stigs

on-call support

$120k–$125k/year

Work arrangement

• Weekend coverage required

Benefits & perks

• Employee medical, vision, and dental premiums covered
• matching 401(k)
• short- and long-term disability
• pet insurance
• professional development and education reimbursement.

Why this role

Active DoD TS/SCI clearance and DoD 8570/8140-compliant IAT III certification required; at least six years of Unix/Linux administration experience; after-hours or on-call support may be required.

About the employer

Delaware Nation Industries is hiring for this role. Industry: All Other Professional, Scientific, and Technical Services. Sector: 54.