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System Administration L1 - TS/SCI Poly required with Security Clearance

EMTAK LLCAnnapolis Junction, MD🇺🇸United StatesPosted 23 Jul 2026

Quick Overview

Work Type
Hybrid
Schedule
Employee
Level
Mid Senior

Job Description

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) Responsibilities * 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.
Required Qualifications * 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.
Desired Qualifications * 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.
Why Join EMTAK? At EMTAK, you'll join a small, agile team supporting some of the Intelligence Community's most challenging missions. We offer competitive compensation, outstanding benefits, career growth opportunities, and the chance to work alongside experienced professionals solving real-world national security challenges. If you're looking to grow your Linux administration career while supporting meaningful mission work, we'd love to hear from you.

Skills

Agile

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