> Markdown version of [/jobs/ext/3401479-senior-systems-administrator-with-poly](https://www.wearedevelopers.com/jobs/ext/3401479-senior-systems-administrator-with-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Administrator with Poly - **Company:** BigBear.ai, Inc. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, Software Code Optimization, Linux, Perl (Programming Language), Python (Programming Language), Linux System Administration, Scrum Methodology, Ansible, Server Virtualization, Software Engineering, Virtual Machines, Scripting, Cloud Platform System, Docker, Vmware - **Published:** September 9, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/85832209/1 ## About the Role * Experience:Bachelor's degree and 10+ years of systems administration experience. * Clearance:TS/SCI with Poly (required). * All applicants must currently reside in the United States * Technical Expertise: + Proficiency with Linux, including a minimum of 3 years of Linux system administration experience (within the last 3 years). + Knowledge of physical and virtual servers. + Experience researching and creating solutions to close Information Assurance Vulnerability Alerts (IAVAs). + Hands-on experience with Ansible for automation. + Proven ability to build and maintain VMware environments. * Certifications:Security+ certification (required). What we'd like you to have * Experience with AWS cloud environments. * Scripting experience (Python/Perl) for automation and task optimization. * Familiarity with Docker for containerization. ## Description * Manage & Optimize Systems:Oversee the customer's Risk Management Framework and related systems to ensure optimal performance and security. * Support System Upgrades:Patch, upgrade, and migrate Linux systems and virtual machines (VMs) to maintain system integrity and performance. * Contribute to Agile Development:Participate in agile activities, including release planning, sprint planning, and retrospectives, to incorporate lessons learned into engineering processes. * Collaborate with Developers:Work closely with developers throughout the application development lifecycle to build features that deliver value to our customers.