Principal Systems Engineer
Listed on 2026-09-12
-
IT/Tech
Systems Engineer, Cybersecurity
SYSTEMS ENGINEER PRINCIPAL
Advance how our customers operate while you advance your career. Join GDIT as a Systems Engineer Principal and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.
MEANINGFUL WORK AND PERSONAL IMPACTAs a Systems Engineer Principal, the work you’ll do at GDIT will be impactful to the mission of our customer’s classified commercial cloud environment. You will play a crucial role in operating, securing, and optimizing a secure workstation enclave in a unique commercial cloud setting, ensuring secure and reliable access to mission-critical resources.
- Lead day-to-day engineering and operations ofRed Hatand other
Linux systems in a classified, air‑gapped environment, including configuration, hardening, patching, and maintenance. - Configure, patch, and monitor systems and network devices using tools such asPalo Alto firewalls, Cisco switches, Panorama, Clear Pass, and related platforms, ensuring performance, integrity, connectivity, and backup/recovery capabilities.
- Collaborate with enclave, network, and security engineers, and vendors to troubleshoot issues, enhance the enclave’s network and security posture, and manage security updates, licenses, and support tickets.
- Support vulnerability managementandcontinuous monitoring, including reviewing scans, implementing patching and remediation, POA&M mitigation, and other corrective actions.
- Drive hardening and compliance efforts, includingSTIGreview and implementation, to meetNISTand Do Drequirements .
- Develop and maintain engineering documentation for designs, configurations, and operational procedures.
Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer Principal must have:
Education:
Bachelor of Arts/Bachelor of Science
Experience:
8+ years of related experience
Technical skills:
- Hands-on experience with Red Hat operating system
- Understanding of various Linux operating systems (e.g., Red Hat, Debian)
- Hands-on experience with operations and maintenance (O&M) of Palo Alto firewalls, Cisco switches, and applicable software including Panorama and Clear Pass
- Security clearance level:
Current and active Top Secret - Onsite - Mclean, VA
- Must be DoD 8140 / 8570.01-M compliant (e.g., Security+ or equivalent)
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, and competitive pay and paid time off
Community:
Award-winning culture of innovation and a military-friendly workplace
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).