> Markdown version of [/jobs/ext/1154438-system-administration-l1-ts-sci-poly-required](https://www.wearedevelopers.com/jobs/ext/1154438-system-administration-l1-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 L1 - TS/SCI Poly required - **Company:** EMTAK. LLC - **Location:** Annapolis Junction, MD, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Proxmox, Systems Engineering, CentOS, Configuration Management, Software Documentation, Cyber Security, Computer Networks, System Configuration, Customer Data Management, Data Security, Linux, Monitoring of Systems, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Network Administration, Red Hat Enterprise Linux, Ansible, Software Deployment, Virtual Machines, VMware Virtualization, Transport Layer Security, Laptops, Network Server - **Published:** July 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=42abe798764ceed8 ## About the Role EMTAK is seeking a Linux Systems Administrator I to support a mission-critical Intelligence Community program. This is an excellent opportunity for an early-career Linux administrator who wants to work in a fast-paced, highly technical environment supporting enterprise infrastructure and mission operations. The ideal candidate will have a solid foundation in Linux systems administration, excellent troubleshooting skills, and the desire to expand their expertise while supporting secure enterprise environments. Ten (5) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. 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. Certifications: Compliance with DoD 8570.01-M with a minimum certification of IAT Level II (SEC+, CCNA), * Active TS/SCI with Full Scope Polygraph. * 2+ years of Linux Systems Administration experience. * Experience administering Linux systems including CentOS, Rocky Linux, or Red Hat Enterprise Linux (RHEL). * Experience installing, configuring, upgrading, and maintaining servers, workstations, and laptops. * Experience with hardware installation and troubleshooting. * Familiarity with Customer Secure the Enterprise (STE) tasks. * Experience supporting secure customer data transfer processes. * Strong troubleshooting and problem-solving skills. * Ability to work independently and as part of a collaborative team., * Experience with automation tools such as Ansible. * PXE boot and system imaging experience. * Experience building and managing virtual machines using Proxmox. * Identity Management (IdM) and LDAP integration experience. * Red Hat Certified System Administrator (RHCSA) certification. * Experience configuring and troubleshooting Transport Layer Security (TLS). * Windows 10/11 administration experience. * Linux networking experience. * VMware virtualization experience. * Security+ or other DoD 8570/8140 certification. ## Description * Administer, maintain, and troubleshoot Linux-based systems in a classified environment. * Install, configure, upgrade, and maintain servers, workstations, and laptops running CentOS, Rocky Linux, and Red Hat Enterprise Linux (RHEL). * Perform hardware installation, system imaging, software deployments, and operating system upgrades. * Support secure data transfers and Customer Secure the Enterprise (STE) activities. * Monitor system performance, identify issues, and resolve hardware and software problems. * Create and maintain system documentation and standard operating procedures. * Collaborate with systems engineers, network administrators, cybersecurity personnel, and customer representatives to ensure mission success. * Maintain compliance with security policies, configuration management, and operational procedures. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [The Developer Workstation Blind Spot: Why Your Security Stack Can't See What Matters Most](https://www.wearedevelopers.com/videos/100254-the-developer-workstation-blind-spot-why-your-security-stack-can-t-see-what-matters-most) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)