TSSCI System Administrator

Job Description

Insight Global is seeking a Systems Administrator to sit at Fort Meade. This individual will operate within a fully isolated, air-gapped environment, managing enterprise infrastructure across Windows and Linux systems. The role requires a strong focus on security and compliance, including implementation of STIGs and NIST standards, as well as hands‑on support with virtualization, storage, and system monitoring tools. The ideal candidate thrives in restricted environments, understands offline patching and system maintenance processes, and is comfortable working with physical hardware and secure data handling procedures.

This is a mission‑critical role supporting national security initiatives, offering a stable long‑term opportunity for cleared professionals.

$40/hr to $50/hr.

Exact compensation may vary based on several factors, including skills, experience, and education.

Benefit packages for this role will start on the 31st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances.

If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to  learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy:

• Active TS/SCI Clearance
• DoD 8140 – 451 System Admin certification (Sec+, SSCP, GSEC, SecX, or relevant BS in Computer Science)
• Bachelor's Degree and 4+ years of Systems Administration experience
• Strong experience with Windows Server (2019/2022/2025)
• Experience with enterprise Linux environments
• Hands‑on experience with VMware vSphere and virtualization clusters
• Experience with SAN/NAS storage management
• Familiarity with DISA STIGs, CIS Benchmarks, NIST guidelines
• Scripting/automation with Power Shell or Ansible
• Experience managing offline repositories, patching, and secure update processes in isolated environments
• Experience administering Active Directory in restricted or air‑gapped networks Azure certifications (DP-300, AZ-305, Microsoft Admin Expert)
• Experience with SIEM tools (especially Solar Winds in air‑gapped environments)
• Knowledge of TCP/IP networking fundamentals
• Experience integrating cybersecurity tools and systems
• Familiarity with Service Now or other ticketing tools
• ITIL v3 Foundation certification