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Senior System Administrator

BAE Systems

Today
Top Secret
Unspecified
Unspecified
Engineering - Systems
Cedar Rapids, IA (On-Site/Office)

Job Description

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 Senior Closed Area Systems Administrator to provide comprehensive technical and operational support for classified IT systems. This position requires a seasoned IT professional with expertise in managing complex, air-gapped systems and lab environments in accordance with DoD and Intelligence Community security requirements.

You will be responsible for the configuration, maintenance, and monitoring of secure networks and systems, including Lab-in-a-Box (LIB) environments, virtualization platforms, endpoint protection, and logging/alerting tools. This position is 100% onsite within a closed, classified area. Some after-hours or weekend support may be required for maintenance windows or incident response. You must be able to lift equipment (up to 40lbs) and work within controlled environments.
  • 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.
  • Perform user account administration, group policy configuration, and role-based access control in Active Directory for a classified environment.


Required Education, Experience, & Skills
• U.S. Citizenship as required by contract
• 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.
• Perform user account administration, group policy configuration, and role-based access control in Active Directory for a classified environment.


Preferred Education, Experience, & Skills
• Active U.S. 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.
• 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.

Pay Information
Full-Time Salary Range: $86460 - $146982

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: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including 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.

About BAE Systems Electronic Systems
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems' game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere - from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact - for our customers and the communities we serve.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.
group id: 10122330

At BAE Systems, our ethos is etched in purpose – a purpose that binds us to protect those who protect us, to unite our community of colleagues and customers, and to drive forward the growth and development of our exceptional team members. Guided by unwavering commitment, we stand shoulder to shoulder with our defenders, fostering an environment where purpose isn’t just a statement, it’s our shared heartbeat.

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About Us
BAE Systems turns defense, aerospace, and security blueprints into tangible realities by partnering with government agencies and other forces in the industry. BAE Systems tackles each project and delivers end results that transcend what previously seemed impossible through their work in areas that include advanced electronic systems, cyber operations, intelligence analysis, combat vehicles, naval weapons, ship maintenance and modernization, and vehicle upgrades and services.
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Clearance Level
Top Secret
Employer
BAE Systems