> Markdown version of [/jobs/ext/1907442-linux-system-administrator](https://www.wearedevelopers.com/jobs/ext/1907442-linux-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).

---

# Linux System Administrator

- **Company:** CTC Group
- **Location:** Anne Arundel County, MD, United States
- **Experience:** Experienced
- **Salary:** $150,000.0 - $190,000.0
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Linux, Networking Hardware, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Network Security, Network Troubleshooting, Linux System Administration, Red Hat Enterprise Linux, Ansible, Software Engineering, Virtualization Technology, Software Vulnerability Management, Scripting, Containerization, Nessus, Cisco, Docker
- **Published:** August 3, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9073241/linux-system-administrator

## About the Role

* Active TS/SCI with polygraph security clearance
 * Bachelor's degree in a technical discipline from an accredited college or university is required.
 + Five (5) years of additional SA experience may be substituted for a bachelor's degree.

Level 1 Qualifications

 * Five (5) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.
 * CWIP IAT Level I
 * Microsoft Certified Systems Administrator (MSCA) or Redhat Certified System Administrator(RHCSA) certified.
 * One of the following certifications: A+, Network+, or System Security Certified Practitioner (SSCP)

Level 2 Qualifications

 * Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.
 * CWIP IAT Level II
 * 3+ years of experience performing duties at or equivalent to an IAT level position under the CWIP (DoD 8570/8140 framework).
 * Microsoft Certified Systems Administrator (MSCA) or Redhat Certified Engineer(RHCE) certified.
 * One of the following certifications: A+, Network+, or System Security Certified Practitioner (SSCP).

Level 3 Qualifications

 * Fifteen (15) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.
 * CWIP IAT Level III
 * 7+ years of experience performing duties at or equivalent to an IAT level position under the CWIP (DoD 8570/8140 framework).
 * Microsoft Certified Systems Administrator (MSCA) or Redhat Certified Architect(RHCA) certified.
 * One of the following certifications: A+, Network+, or System Security Certified Practitioner (SSCP).

## Description

* Maintain, configure, monitor, and troubleshoot Linux-based systems supporting mission-critical operations within a classified government environment.
 * Configure and support Cisco and Palo Alto networking equipment, including troubleshooting network connectivity and performance issues.
 * Manage virtualized environments and support IPsec, VPN tunneling, and other secure network communications.
 * Develop, implement, and maintain automation solutions using Ansible, including writing and deploying playbooks.
 * Create and maintain Bash and Python scripts to automate system administration, configuration, monitoring, and maintenance activities.
 * Support Secure the Enterprise and Secure the Network activities, including Nessus scanning and other high-side security tools.
 * Perform IAVA patching, vulnerability remediation, system hardening, and security compliance activities.
 * Install, cable, document, and maintain physical infrastructure, including rack-and-stack activities for servers and networking equipment.
 * Create and maintain accurate system, network, configuration, and operational documentation.
 * Support containerized environments using technologies such as Docker and Kubernetes.
 * Diagnose and resolve complex Linux, networking, virtualization, hardware, and software issues to maintain reliable mission operations.


## Related Videos

- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team)
- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered)
- [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker)
- [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker)

## Related Articles

- [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)
- [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)
- [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview)
- [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)