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Senior Systems Administrator with Poly

BigBear.aiMD🇺🇸United StatesPosted 24 Aug 2026

Why This Role Stands Out

This Senior Systems Administrator role at BigBear.ai offers a chance to leverage your Linux and virtual environment expertise in a mission-critical capacity, contributing directly to cutting-edge government solutions. You'll thrive here if you're a proactive problem-solver eager to grow your skills within a collaborative, fast-paced environment. Apply today to make a significant impact and advance your career.

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
MD, United States
Posted
2 weeks ago
DockerAWSAgileAnsiblePerlPythonVMware

Job Description

Residency

All applicants must reside in the United States at the time of application.

Overview

Senior Systems Administrator

Location:
On-Site at Customer Location (Annapolis Junction, MD)

Clearance Required: TS/SCI with Poly

Are you ready to take your systems administration expertise to the next level and support mission-critical operations? BigBear.ai is seeking a Senior Systems Administrator to join our team and assist in meeting the needs of our government customer. In this role, you'll work onsite at the assigned customer location, ensuring optimized system performance, security, and reliability. If you're passionate about Linux systems, virtual environments, and delivering innovative solutions in a fast-paced environment, we want to hear from you!

What you will do

  • 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.

What you need to have

  • 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.

Pay transparency

Please note the targeted compensation range is provided as an estimate, and any actual compensation offer may vary depending on the needs of the company, or an applicant's skillset, competencies, experience, education, certifications, location, or other factors. The estimated range does not include the value of any benefits offered.

About BigBear.ai

BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai's predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.

BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.

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