> Markdown version of [/jobs/ext/2253945-linux-systems-administrator-sa2-or-sa3-ts-sci-w-poly-security](https://www.wearedevelopers.com/jobs/ext/2253945-linux-systems-administrator-sa2-or-sa3-ts-sci-w-poly-security). 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 Systems Administrator SA2 or SA3 -TS/SCI w/ Poly Security - **Company:** POWER3 SOLUTIONS, LLC - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Salary:** $160,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Bash Shell, Linux, DevOps, Internet Protocol Security (IP SEC), Storage Area Network (SAN), Virtual Private Networks (VPN), Linux System Administration, Ansible, Virtual Machines, Scripting, Firewalls (Computer Science), Kubernetes, Apache Nifi, Puppet, Cisco, Docker - **Published:** August 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9119053/linux-systems-administrator-sa2-or-sa3-tssci-w-poly-security ## About the Role * 10 years (SA2) -15 years (SA3) experience. + 5 years of experience can be substituted for a degree. * CWIP IAT Level 2 (SA2) or Level 3 (SA3). Required * Heavy Linux administration experience. * Experience using Ansible (playbooks) or comparable tools. * Experience with cross-domain solutions or NiFi. * Experience with integrated processing environments such as a Storage Area Network . * Configure Cisco / Palo Alto Switches Firewalls * Knowledgeable with virtual machines * Setting up IPSEC Tunnels/VPN Tunneling * Knowledgeable with Scripting (Bash/Other) * Automation * Cabling, Documentation, Rack & Stack * IAVA Patching * STE/STN Preferred * Experience with DevOps tools such as Docker, Kubernetes, SALT, Puppet desirable ## Related Videos - [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) - [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) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [DevOps Engineer Salary [2023]](https://www.wearedevelopers.com/magazine/203-devops-engineer-salary-2023) - [Software Developer Salary in South Africa](https://www.wearedevelopers.com/magazine/232-software-developer-salary-in-south-africa)