Linux Systems Administrator – Automation & Security

General Dynamics Information Technology; Arlington (VA); On-site; USD 132,000 - 178,000; Full time

Job summary

General Dynamics Information Technology is seeking a Linux Systems Administrator to support mission-critical enterprise infrastructure in a DoD environment. You will manage Red Hat Linux systems, apply patches, monitor health, and assist in automation using Bash, Python, Ansible, and GitLab.

The role emphasizes security compliance, cross-team collaboration, and continuous improvement in system reliability and performance. Onsite work in the Arlington, VA area is expected.

Qualifications

• Bachelor’s Degree; 4 years of experience may substitute in lieu of degree.
• Active DoD Secret clearance or higher at time of hire.
• Current CompTIA Security+ CE or equivalent for DoD cybersecurity requirements.
• RHCSA or RHCE; Red Hat Ansible certification; Linux Foundation certification.

Responsibilities

• Administer and maintain Red Hat Enterprise Linux systems.
• Perform OS installation, configuration, patching, upgrades, troubleshooting, and lifecycle maintenance.
• Support Linux systems in VMware and other virtualized environments.
• Develop scripts to automate recurring tasks; support Ansible and GitLab automation.

Skills

Linux administration

Bash/Python scripting

Troubleshooting

Documentation

Collaboration

Education

Bachelor's degree

Tools

VMware

Ansible

GitLab

RHCSA/RHCE

LDAP/Active Directory

Job description

General Dynamics Information Technology is seeking a Linux Systems Administrator to support mission-critical enterprise infrastructure in a DoD environment. You will manage Red Hat Linux systems, apply patches, monitor health, and assist in automation using Bash, Python, Ansible, and GitLab.

The role emphasizes security compliance, cross-team collaboration, and continuous improvement in system reliability and performance. Onsite work in the Arlington, VA area is expected.