IT Systems Administrator II

About the role

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.

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.

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) 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.

Qualifications

• Active U.S. TS/SCI Security Clearance.
• 2+ years of experience working in a classified environment.
• 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.

Skills

• Expertise in Active Directory administration.
• Desktop systems administration, including imaging, configuration, troubleshooting, and secure application support.
• Virtual server management (VMware, Hyper-V).
• Monthly patching and compliance with security baselines and STIGs.
• System logging, event correlation, and incident response.
• Collaboration with ISSOs and security staff.
• Thorough system documentation and change management.
• Support for classified system accreditation activities and audits.

Benefits

Full-Time Salary Range: $79365 - $134921
Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
Employee Benefits: Health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; life and accident insurance; an employee assistance program; a legal plan; and other perks including discounts on things like home, auto, and pet insurance. 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.