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. Type of Requisition Regular Clearance Must currently possess: Top Secret Clearance Must be able to obtain: Top Secret/SCI Public Trust/Other Required: None Job Family IT Infrastructure and Operations Job Requirements 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. Key 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 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 Equal Opportunity Employer. Individuals with Disabilities. Protected Veterans. #J-18808-Ljbffr