Linux Systems Engineer

General Dynamics Information Technology

1d • Onsite

About The Position

Advance how our customers operate while you advance your career. Join GDIT as a Linux Systems Engineer and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. As a Linux Systems Engineer, you will support the administration and maintenance of Linux servers within a large enterprise environment. You will assist SME engineers with system configuration, troubleshooting, security updates, and day‑to‑day operations that keep mission‑critical systems running for USCENTCOM.

Requirements

• 5 years of Linux Systems Engineering experience in enterprise systems, security, and defense environments.
• Hands‑on experience managing and troubleshooting Red Hat or CentOS systems.
• Understanding of Linux system administration fundamentals and ability to create and update documentation and technical procedures.
• DoD 8140 / DoD 8570 baseline certification (e.g., CompTIA Security+ CE)
• Active/current TS/SCI clearance is required.

Nice To Haves

• RHCSA and ITIL 4 Foundation
• Familiarity with Ansible or other automation tools.
• Experience working in Defense or USCENTCOM environments.
• Basic understanding of PKI and certificate management.
• Exposure to group policy or security policy implementation.

Responsibilities

• Assist with deploying, configuring, and maintaining Linux servers and virtual machines.
• Support basic administration of services such as Apache/Nginx, DNS, DHCP, and LDAP.
• Help manage SSL/TLS certificates and ensure web services remain secure and functional.
• Apply system patches, updates, and security configurations under senior guidance.
• Monitor system performance and report issues affecting uptime or stability.
• Follow established policies and procedures to maintain system security and compliance.
• Troubleshoot common Linux system issues and escalate complex problems when needed.
• Document findings, solutions, and troubleshooting steps for team use.
• Track and update tickets to ensure issues are resolved at the correct priority.
• Work with senior administrators and other IT teams on system upgrades and deployments.
• Support infrastructure improvement projects focused on security, efficiency, or modernization.
• Participate in system migrations and new Linux environment setups.
• Maintain accurate system documentation, configuration notes, and process guides.
• Assist in preparing reports and data sets for leadership on system performance.
• Contribute to improving internal procedures and best practices.

Benefits

• Comprehensive benefits and wellness packages
• 401K with company match
• competitive pay
• paid time off
• full flex work weeks where possible
• variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
• short and long-term disability benefits
• life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 5,001-10,000 employees