Linux Systems Engineer

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., Linux System Engineer

• 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.

System Maintenance & Security

• 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.

Troubleshooting & Support

• 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.

Collaboration & Projects

• 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.

Documentation & Process Support

• 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.

• 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.
• Required Certifications : DoD 8140 / DoD 8570 baseline certification (e.g., CompTIA Security+ CE)
• Desired Certifications : RHCSA and ITIL 4 Foundation
• Required clearance: Active/current TS/SCI clearance is required.
• Must be able to travel up to 10% OCONUS

Desired Skills

• 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., Years of Experience

5 + years of related experience

• may vary based on technical training, certification(s), or degree Certification

Red Hat Certified System Administrator (RHCSA) | Red Hat - Red Hat

CompTIA Security+ CE | CompTIA - CompTIA

ITIL 4 Foundation | PeopleCert - PeopleCert Travel Required

Less than 10% Citizenship

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace, The likely salary range for this position is $107,950 - $146,050. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure., We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.