> Markdown version of [/jobs/ext/3699404-system-admin](https://www.wearedevelopers.com/jobs/ext/3699404-system-admin). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Admin - **Company:** Insight Global - **Location:** St. Louis, MO, United States - **Experience:** Experienced - **Salary:** $83,200 - $93,600 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, CompTIA Security+, Linux, File Server, IBM Systems Network Architecture, Information Systems Security Architecture Professional, Linux Servers, Microsoft Security Essentials, Red Hat Enterprise Linux, Systems Integration, Sysadmin, Containerization, National Industrial Security Program Operating Manual (NISPOM), User Administration - **Published:** October 12, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3438491726&tx=ZT212TYI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 2+ years related work experience or an equivalent combination of technical education and experience * Possess at least one of the following certifications: CompTIA Security+, Security Certified Network Professional (SCNP), Systems Security Certified Practitioner (SSCP), GIAC Security Essentials Certification (GSEC), Certified Information Systems Security Professional (CISSP) Preferred Qualifications (Desired Skills and Experience): * Network+ Certification and/or A+ certification * Linux+ Certification ## Description This position supports Risk Managed Framework network compliance across multiple avionics test labs as well as the design of networks connecting embedded PCs and host PCs on avionics test benches. The Lab Infrastructure team is responsible for the design, modification, and troubleshooting of all test benches used in the avionics' lab to support systems integration testing on the F-15., * Develop system network architectures between embedded PCs and host PCs on test benches * Support RHEL 9 * Installation, configuration, patching and maintenance of Windows and Linux server environments * Support containerization * Provide active directory management and file server management * Troubleshoot user problems related to hardware, software, or processes * Conduct monthly OS patching and anti-virus updates * Create user accounts and reset passwords * Run backups on workstations and servers * Maintain compliance with Risk Managed Framework and NISPOM rules * Keep facility signage up to date * Maintain lab access list