> Markdown version of [/jobs/ext/1365656-systems-administrator-sa3-fully-cleared](https://www.wearedevelopers.com/jobs/ext/1365656-systems-administrator-sa3-fully-cleared). 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). --- # Systems Administrator SA3- Fully Cleared - **Company:** POWER3 SOLUTIONS, LLC - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Salary:** $185,000.0 - $215,000.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Domain Controllers, Desktop Computing, Linux, System Software, Tenable Nessus - **Published:** July 21, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9043759/systems-administrator-sa3-fully-cleared ## About the Role * 15 years (SA3) experience * Bachelor's degree in a technical discipline from an accredited college or university. * 5 years of additional SA experience can be substituted for a bachelor's degree * CWIP IAT Level 3 * Active TS/SCI w/ poly clearance Skills Required: * General familiarization with Tenable Nessus Manager - Connect clients, run scans, create vulnerability and compliance scans, upgrade audits and plugins files. * Linux- Moderate systems administration knowledge to include installing OS, configuration, patching, identify and fix everyday issues * Trellix E-Policy Orchestrator - General familiarization, update system software, push agents and connect nodes * Windows 10/11, Server 2026/2019/2022 - General IT knowledge to install OS and configure devices, patch vulnerabilities * Windows Active Directory - Run domain controllers, configure users and computers, configure Group Policy in accordance with DISA STIG's, configure DNS and DHCP ## Related Videos - [Flexibility is Key: Unlocking the Advantages of Versatile Software Solutions for Strategic Innovatio](https://www.wearedevelopers.com/videos/1943-flexibility-is-key-unlocking-the-advantages-of-versatile-software-solutions-for-strategic-innovatio) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Architecture Communication Canvas](https://www.wearedevelopers.com/videos/674-architecture-communication-canvas) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [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) - [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) - [Software Developer Salary in South Africa](https://www.wearedevelopers.com/magazine/232-software-developer-salary-in-south-africa) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)