> Markdown version of [/jobs/ext/44906-system-administrator](https://www.wearedevelopers.com/jobs/ext/44906-system-administrator). 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 Administrator

- **Company:** John Galt Staffing, Inc.
- **Location:** Lexington, MA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Adobe InDesign, CentOS, Linux, DevOps, File Systems, Linux System Administration, Networking Basics, OpenLDAP, Red Hat Enterprise Linux, Ansible, Virtualization Technology, CheckMK, Puppet, Fedora
- **Published:** May 21, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8928745/system-administrator

## About the Role

Experience (6+ years) implementing and supporting Linux systems (RHEL/CentOS/Fedora preferred) :

 * Experience implementing and supporting Linux in R&D Lab environment( IE- troubleshooting third party Linux drivers)
 * Experience managing RedHat Satellite
 * Experience managing CheckMK
 * Experience implementing and utilizing DevOps CM toolsets (Puppet, Ansible, etc.)
 * Experience migrating various distributions and versions under one umbrella
 * Proven ability to automate tasks, build, and develop scripts (language agnostic)
 * Knowledge of account management using OpenLDAP, SSSD, IPA/IDM etc
 * Demonstrated troubleshooting of complex/distributed networks and systems (logs, dmesg etc.)
 * Detailed knowledge of Linux security hardening principles and best practices (STIGs, RMF, NISPOM, CMMC, etc.)
 * Experience providing system and hardware level support on Dell Server/Desktop technology as well as end user support
 * Proven ability to learn and implement unfamiliar technologies
 * Research into new technologies that can enhance productivity for us or our customers
 * Ability to work in a team environment as well as independently
 * Document IT procedures

Other
-Due to the nature of the work, candidate must possess TS/SCI in order to be submitted.
-Candidate should expect to be onsite 4 days/wk to work on classified tasks, with one day remote

## Description

The company develops, builds, and operates prototype space and airborne lasercom terminals. The client is in need of a Sr. Linux System Administrator to support both classified/unclassified development, implement and enhance critical infrastructure and support end user workstations., Perform various system administration duties in multiple physical and virtual Linux environments. Build and manage authentication, file-share, and other collaboration servers to support groups of heterogeneous client systems. Assist in design, implementation, support, and troubleshooting Linux issues relating to performance, compliance and security hardening. The ideal candidate will have a deep understating of Linux concepts, including file system management, service management, and interfacing with third party hardware. This candidate must also have a fundamental understanding of storage administration, virtualization technologies and basic networking concepts. The ideal candidate will see tasks through to completion under minimal supervision while also providing server and desktop level support to the group as well as various programs/projects


## Related Videos

- [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux)
- [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform)
- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [#90DaysOfDevOps - The DevOps Learning Journey](https://www.wearedevelopers.com/videos/548-90daysofdevops-the-devops-learning-journey)
- [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies)
- [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment)

## Related Articles

- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Dev Digest 191: Malware interviews, EU ❤️ Open Source and Skilled Agents](https://www.wearedevelopers.com/magazine/645-dev-digest-191-malware-interviews-eu-open-source-and-skilled-agents)
- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)