> Markdown version of [/jobs/ext/289974-senior-system-administrator-linux-active-ts-sci](https://www.wearedevelopers.com/jobs/ext/289974-senior-system-administrator-linux-active-ts-sci). 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).

---

# Senior System Administrator (Linux) - Active TS/SCI

- **Company:** Maania Consultancy Services
- **Location:** Fort Belvoir, VA, United States
- **Experience:** Expert
- **Salary:** $92,300.0 - $166,850.0
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Linux, Information Technology Operations, Linux Servers, Log Files, Red Hat Enterprise Linux, Virtualization Technology, Software Troubleshooting
- **Published:** May 31, 2026
- **Apply:** https://www.careerjet.com/jobad/us25a14841d44f18bd6d93caef89c28b72

## About the Role

BS with 6-8 years, or MS degree with 4-6 years of experience in IT operations working with Linux servers and Virtualization.

 - Must hold a Top Secret/SCI Clearance.
 - Hands-on experience administering Red Hat Enterprise Linux environments.
 - Direct experience supporting systems with Red Hat Satellite.
 - Understanding of virtualized infrastructure, server backup and restoral procedures, application of STIGs and cyber hardening approaches.
 - Basic experience with log file analysis
 - Strong troubleshooting and problem-solving skills.
Certifications:

 - DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP).
 - Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred nice to have, not mandatory), Required Qualifications: - BS with 6-8 years, or MS degree with 4-6 years of experience in IT operations working with Linux servers and Virtualization. - Must hold a Top Secret/S…
 + 13 hours ago

## Description

Leidos is seeking a Linux Administrator to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be respo…

 + 1 month ago


## Related Videos

- [The Software Bug All Stars - and what we can learn from them](https://www.wearedevelopers.com/videos/423-the-software-bug-all-stars-and-what-we-can-learn-from-them)
- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux)
- [Build Your Own Subscription-based Course Platform](https://www.wearedevelopers.com/videos/321-build-your-own-subscription-based-course-platform)
- [Logs in observability - Correlation](https://www.wearedevelopers.com/videos/1430-logs-in-observability-correlation)

## Related Articles

- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)