Systems Admin II

BAE SystemsBroomfield, CO
Onsite

About The Position

BAE Systems is seeking a proactive and detail-oriented Closed Area Systems Administrator to join our Information Technology team supporting classified environments. This individual will work with a dynamic team responsible for the configuration, maintenance, and security of IT systems housed in closed areas, supporting critical national defense programs. As a key member of the IT support organization, you will play a vital role in managing and maintaining classified computing infrastructure while ensuring strict adherence to security compliance requirements such as RMF, NIST 800-53, and JSIG. The Operations Strategic Capabilities Unit plays a fundamental role in enabling efficient business and program execution – from strategic capital investments, industrial operations and an efficient supply chain, to state-of-the-art manufacturing and test operations and top-notch facilities management.

Requirements

  • Bachelors degree in a related field plus 2 or more years related experience; of HS Diploma plus 6 or more years of related experience.
  • CompTIA Security+ or equivalent DoD 8570 IAT Level II certification.
  • 2+ years of as a Systems Administrator.
  • Proficiency in Active Directory, including user/group management, OU structure, and GPOs.
  • Hands-on experience with Windows desktop system support and endpoint hardening.
  • Experience managing virtualized server environments (VMware).
  • Familiarity with monthly patching procedures and vulnerability remediation.
  • Strong documentation skills and familiarity with change/configuration management practices.
  • Active TS/SCI Security Clearance.
  • 2+ years of experience working in a classified environment.
  • Experience with secure system build processes and STIG compliance.
  • Working knowledge of RMF, NISPOM, and JSIG/ICD 503 requirements.

Nice To Haves

  • Familiarity with backup and recovery tools in classified environments.
  • Exposure to scripting (PowerShell, Python, Bash) for automation and task optimization.
  • Linux (RHEL) system administration experience.
  • Experience supporting secure enclaves, air-gapped systems.

Responsibilities

  • Perform user account administration, group policy configuration, and role-based access control in Active Directory for a classified environment.
  • Provide desktop systems administration, including imaging, configuration, troubleshooting, and secure application support.
  • Manage and monitor virtual server instances (VMware), ensuring uptime, performance, and resource allocation.
  • Lead and track monthly OS and application patching across desktops and servers, ensuring full compliance with security baselines and STIGs.
  • Maintain domain health, DNS/DHCP, and group policy objects within Active Directory.
  • Support system logging, event correlation, and incident response efforts within the closed area.
  • Collaborate with ISSOs and security staff to ensure all system changes comply with RMF and local security policies.
  • Maintain thorough system documentation, configuration baselines, and change logs.
  • Support classified system accreditation activities and audits as needed.
  • Maintain a regular and predictable work schedule.
  • Establish and maintain effective working relationships within the department, the Strategic Business Units, Strategic Capabilities Units and the Company.
  • Interact appropriately with others in order to maintain a positive and productive work environment.
  • Perform other duties as necessary.

Benefits

  • health, dental, and vision insurance
  • health savings accounts
  • a 401(k) savings plan
  • disability coverage
  • life and accident insurance
  • employee assistance program
  • legal plan
  • discounts on things like home, auto, and pet insurance
  • paid time off
  • paid holidays
  • paid parental leave
  • military leave
  • bereavement leave
  • any applicable federal and state sick leave
  • company recognition program to receive monetary or non-monetary recognition awards
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