> Markdown version of [/jobs/ext/220843-system-administration-l3-ts-sci-poly-required](https://www.wearedevelopers.com/jobs/ext/220843-system-administration-l3-ts-sci-poly-required). 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 Administration L3 - TS/SCI Poly required - **Company:** EMTAK. LLC - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Bash Shell, Cloud Computing, Configuration Management, Perl (Programming Language), Microsoft Exchange Server, Python (Programming Language), Kernel-Based Virtual Machine, Linux System Administration, Windows Servers, Windows Domain, Ansible, Virtualization Technology, Scripting, Data Storage Management, System Availability, Containerization, Infrastructure Automation Frameworks - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=139a1c2807cbea3b ## About the Role Do you have experience in Windows Server administration?, Do you have a Bachelor's degree?, We are currently seeking an experienced Senior System Administrator to support a mission-focused environment supporting critical government operations. This position requires a strong Linux systems administration background, experience with virtualization and automation technologies, and the ability to operate in secure enterprise environments., * Fifteen (15) years of experience as a System Administrator (SA) * Bachelor's degree in a technical discipline from an accredited college or university required + Five (5) additional years of SA experience may be substituted in lieu of a degree, * Active Information Assurance Technical (IAT) Level II certification in accordance with DoD 8570.01-M requirements, or ability to obtain within six (6) months from start date, * Linux system administration * Containerization technologies * Storage management * KVM virtualization * Automation and configuration management tools such as Ansible and/or SALT * FreeIPA administration and support * Scripting experience using Bash, Perl, Python, or similar languages * SSP compliance and documentation support * STE/STN support experience * Cloud technologies and AWS experience, * Experience supporting classified or mission-critical government environments * Strong troubleshooting and analytical skills * Ability to work independently in fast-paced operational settings * Administrative experience supporting Windows Domain Controllers, Windows Server environments, and/or Microsoft Exchange is a plus ## Description * Administer, maintain, and troubleshoot Linux-based enterprise environments * Support virtualization, storage, and container platforms * Develop and maintain automation solutions for system deployment and configuration management * Support secure system operations in compliance with government security requirements * Assist with SSP documentation and compliance initiatives * Provide operational support for mission systems and secure communications infrastructure * Collaborate with engineering and cybersecurity teams to maintain system availability and performance ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Dev & Test in the Cloud? 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