IT Systems Administrator II
About The Position
We put our customers first – exemplified by our missions: “We Protect Those Who Protect Us®” and “We Innovate for Those Who Move the World.” Sound like a team you want to be a part of? Come build your career with BAE Systems. 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. In this System Adminstrator II position supporting our closed areas you will make impacts in the following ways;
Requirements
- U.S. Citizenship
- Active Secret Security Clearance and CompTIA Security+ or equivalent DoD 8570 IAT Level II certification.
- 3–6 years of experience (2+ years of experience with a degree) as a systems administrator.
- Proficiency in Active Directory, including user/group management, OU structure, and GPOs.
- Hands-on experience with desktop system support (Windows OS, Red Hat Linux) and endpoint hardening.
- Experience managing virtualized server environments (VMware or Hyper-V).
- Familiarity with monthly patching procedures, SCCM/WSUS, and vulnerability remediation.
- Strong documentation skills and familiarity with change/configuration management practices.
Nice To Haves
- Active U.S. Top Secret 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.
- Familiarity with backup and recovery tools in classified environments.
- Exposure to scripting (PowerShell, Python, Bash) for automation and task optimization.
- Experience supporting secure enclaves, air-gapped systems, or cross-domain solutions.
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 (e.g., VMware, Hyper-V), 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
Benefits
- health, dental, and vision insurance
- health savings accounts
- a 401(k) savings plan
- disability coverage
- life and accident insurance
- employee assistance program
- a legal plan
- discounts on things like home, auto, and pet insurance
- paid time off
- paid holidays
- paid parental, military, bereavement, and any applicable federal and state sick leave
- Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards.
- Other incentives may be available based on position level and/or job specifics.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
