Red Hat Linux Engineer (Journeyman)

Integrated Computer Solutions, Inc.; Arlington (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

A leading technology solutions firm is seeking a Red Hat Linux Systems Engineer (Journeyman) to provide Tier II system administration and operational support for Linux-based environments at the Pentagon. The role demands an active Top Secret clearance and over 10 years of relevant experience in administering Linux/UNIX systems, with specific knowledge in Red Hat Enterprise Linux. The candidate must ensure system performance, security, and reliability while supporting Joint Staff Command and Control systems.

Qualifications

• Active Top Secret clearance with SCI eligibility.
• 10+ years of relevant IT experience.
• Experience administering Linux/UNIX systems in enterprise environments.

Responsibilities

• Administer and maintain Red Hat Enterprise Linux (RHEL) systems.
• Monitor system performance and resource utilization.
• Troubleshoot hardware and software issues.

Skills

System Administration

Linux/UNIX Systems

Security Compliance

Scripting (Bash)

Tools

Red Hat Enterprise Linux

VMware

Task Automation Tools

Job description

The 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.
• DoD IAT Level II certification (e.g., Security+ CE).
• 10+ years of relevant IT experience.
• 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:

• Experience with Bash or shell scripting for automation.
• Familiarity with task automation and cron job management.

Security & Compliance:

• Experience applying DISA STIGs to Linux systems.
• Familiarity with vulnerability remediation and IAVA patching.
• Experience with VMware environments supporting Linux systems.
• Familiarity with virtual server provisioning and lifecycle management.

Enterprise Operations:

• Experience working in classified or DoD enterprise environments.
• Familiarity with C2 systems.