Red Hat Linux Systems Engineer (Journeyman)

Job overview

The Red Hat Linux Systems Engineer (Journeyman) role is onsite at the Pentagon in Arlington, VA, and compensation is not specified. The One 23 Group supports Joint Staff Command and Control systems in a classified enterprise environment; the company’s mission includes government services for defense and intelligence clients. The engineer provides Tier II Linux system administration and operational support to maintain availability, performance, and security for primary and contingency operations. The work includes system maintenance, troubleshooting, compliance, and coordination with infrastructure and application teams.

What you'll do

• Administer, configure, and maintain Red Hat Enterprise Linux systems
• monitor performance, availability, and resource use
• troubleshoot hardware, software, and operating-system issues
• apply patches, upgrades, and security updates under change management
• manage accounts, permissions, and access controls
• support backup, recovery, and restoration
• maintain logs and audit compliance
• support enterprise storage and infrastructure integration
• collaborate with network, database, and application teams
• participate in incident, problem, and change management.

What we're looking for

Skills & competencies

red hat linux systems engineer

herndon va listing

pentagon onsite

the one 23 group

rhel

linux administration

tier ii support

top secret clearance

sci eligibility

dod iat level ii

security+ ce

classified environment

Work arrangement

• Weekend coverage required

Why this role

Requires active Top Secret clearance with SCI eligibility, DoD IAT Level II certification such as Security+ CE, 10+ years of relevant IT experience, and enterprise Linux/UNIX administration experience. Onsite at the Pentagon.

About the employer

The One 23 Group Inc. is hiring for this role. Industry: Engineering Services. Sector: 54.