Red Hat Linux Engineer (Journeyman)

The One 23 Group

Arlington (VA)

On-site

USD 100,000 - 120,000

Full time

14 days+

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Job summary

The One 23 Group is seeking a Red Hat Linux Engineer (Journeyman) to provide Tier II system administration for Linux-based environments at the Pentagon. The role ensures system availability, performance, and security, supporting Joint Staff Command and Control.

Applicants must have a Top Secret clearance, DoD IAT Level II certification, and 10+ years of relevant IT experience.

Experience with RHEL system administration and troubleshooting is essential.

Qualifications

Active Top Secret clearance with SCI eligibility.
DoD IAT Level II certification (e.g., Security+ CE).
10+ years of relevant IT experience.
Experience administering Linux/UNIX systems in enterprise environments.

Responsibilities

Administer, configure, and maintain RHEL systems.
Monitor system performance and availability.
Troubleshoot hardware and software issues.
Apply patches and security updates.
Manage user accounts and permissions.

Skills

Linux system administration

Troubleshooting

Scripting (Bash)

System performance tuning

Tools

Red Hat Enterprise Linux (RHEL)

VMware

Job description

All Jobs > Red Hat Linux Engineer (Journeyman)

At The One 23 Group, our mission is to set the benchmark for excellence in government services. We empower our clients in the Department of War, Intelligence Community, and Federal Civilian sectors to excel with our advanced capabilities. Our dedication lies in fostering a people-first culture, underpinned by steadfast ethical principles. Embracing innovative technologies and process improvements, we are steadfast in our journey toward a future that is both bright and transformative.

Our expertise spans Enterprise IT, Mission IT and Cyber. With our global footprint, we place a strong emphasis on nurturing our people and culture, which forms the core of our successful strategies in leadership and financial management. We pride ourselves on our extensive experience and effective approach, ensuring that we lead with both innovation and integrity.

Position

The Red Hat Linux Systems Engineer (Journeyman) provides Tier II system administration and operational support for Linux-based environments supporting Joint Staff Command and Control (C2) systems. This role ensures system availability, performance, and security within a classified enterprise environment while supporting both primary and contingency operations.

Responsibilities

Administer, configure, and maintain Red Hat Enterprise Linux (RHEL) systems.
Monitor system performance, availability, and resource utilization.
Troubleshoot hardware, software, and OS-level issues.
Apply patches, upgrades, and security updates in compliance with change management.
Manage user accounts, permissions, and access controls.
Support backup, recovery, and system restoration processes.
Maintain system logs and ensure audit and compliance requirements are met.
Support integration with enterprise storage and infrastructure systems.
Collaborate with network, database, and application teams to ensure system reliability.
Participate in incident, problem, and change management processes.

Additional Information

On-site at the Pentagon.

Requirements

Active Top Secret clearance with SCI eligibility; AND
DoD IAT Level II certification (e.g., Security+ CE); AND
10+ years of relevant IT experience; AND
Experience administering Linux/UNIX systems in enterprise environments.

Preferred

Experience with Red Hat Enterprise Linux (RHEL) system administration
Experience with system patching, package management (yum/dnf), and repository management
Familiarity with system performance tuning and troubleshooting

Scripting & Automation