Senior Systems Administrator with Poly
Bigbear.ai — Annapolis Junction, MD
Posted: 2026-09-25
Job Description
• Senior Systems Administrator role with BigBear.ai supporting a government customer on-site in Annapolis Junction, MD.
• Requires a Bachelor’s degree, 10+ years of systems administration experience, and at least 3 years of recent Linux systems administration experience.
• Requires an active TS/SCI with Poly clearance, Security+ certification, and current U.S. residency.
• Manages Risk Management Framework systems; patches, upgrades, and migrates Linux systems and virtual machines; and maintains performance, security, and reliability.
• Uses Linux, physical and virtual servers, Ansible, VMware, AWS, Python/Perl, and Docker while participating in Agile planning and collaborating with developers.