Linux Systems Engineer

Job Overview

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.

Regular

Must currently possess:
Top Secret Clearance
Must be able to obtain:
Top Secret/SCI Public Trust/Other

Required:

None

IT Infrastructure and Operations

• US Citizenship required.
• Active/current TS/SCI clearance required.
• 5+ years of Linux Systems Engineering experience in enterprise, 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.
• Required certifications:
  DoD 8140 / DoD 8570 baseline certification (e.g., CompTIA Security+ CE).
• Desired certifications: RHCSA and ITIL 4 Foundation.
• Must be able to travel up to 10% OCONUS.
• Preferred skills: familiarity with Ansible or other automation tools; experience in Defense or USCENTCOM environments; basic PKI and certificate management; exposure to group policy or security policy implementation.

• 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.

• Competitive pay within the range of $107,950 - $146,050.
• Comprehensive medical, dental, vision, and 401(k) plans with company match.
• Short and long‑term disability, life, accidental death and dismemberment, and business travel insurance.
• Paid time off including vacation, sick, personal, holidays, parental, military, bereavement, and jury duty leave.
• Full flex work weeks where possible and a variety of paid time off plans to support work/life balance.
• Additional benefits such as Health Savings Accounts, wellness programs, and technology perks.

Equal Opportunity Employer. Individuals with Disabilities. Protected Veterans.