> Markdown version of [/jobs/ext/2217745-linux-server-administrator](https://www.wearedevelopers.com/jobs/ext/2217745-linux-server-administrator). 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 SERVER ADMINISTRATOR - **Company:** Mantech International Corporation - **Location:** Quantico, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Multitier Architecture, Active Directory, Amazon Web Services, Automation of Tests, Microsoft Azure, Bash Shell, Ubuntu (Operating System), Configuration Management, CompTIA Security+, Information Systems, Linux, Domain Name System (DNS), Identity and Access Management, Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Linux System Administration, Network Configuration and Change Management, Network File Systems, Red Hat Enterprise Linux, Ansible, Systems Architecture, System Availability, Kubernetes, Information Technology, Tenable Nessus, Comptia Linux+, Splunk, Docker, Vmware - **Published:** August 25, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2940488651-2 ## About the Role * Bachelor's degree in Computer Science, Information Systems, or a related technical discipline and a total of 7 years IT experience. A total of 10 years' experience without a degree. * Minimum of 3 years of progressive experience in enterprise-level Linux systems administration, preferably within a federal or DoD environment. * Meet IAT Level II baseline certification requirements (process active CompTIA Security+ CE, CCNA Security, or equivalent certification). * Must hold an active Linux OS certification (eg, Red Hat Certified System Administrator (RHCSA), CompTIA Linux+, or equivalent). * Strong working knowledge of Active Directory integration, Identity Management, NFS, DNS, LDAP, and secure communication protocols (SSH, SCP). Preferred Qualifications: * Direct operational experience utilizing Splunk, ACAS (Tenable Nessus), and Host Based Security System (HBSS). * Familiarity with modern infrastructure technologies, including Kubernetes, Docker, or AWS/Azure GovCloud environments. Clearance Requirements: Must have a current/active Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance. Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. ## Description MANTECH seeks a motivated, career and customer-oriented LINUX SERVER ADMINISTRATOR to join our team in QUANTICO, VA. This position supports mission-critical Department of War (DoW) IT infrastructure. The contractor will be responsible for the installation, configuration, maintenance, and security of Linux-based server environments on classified and unclassified networks to ensure the high availability and resilience of vital national security assets., * Install, configure, and maintain Linux operating systems (including Red Hat Enterprise Linux and Ubuntu) across both physical and virtual (VMware) environments to optimize resource utilization and infrastructure stability. * Drive mission success by implementing DoD Security Technical Implementation Guides (STIGs), executing critical vulnerability patching (IAVAs/IAVBs), and maintaining strict compliance with Risk Management Framework (RMF) standards. * Ensure high availability of mission applications and storage solutions by monitoring server health and serve as Tier II/III technical support to rapidly diagnose and resolve complex hardware, software, and network configuration issues. * Develop and manage automation scripts (using Bash, Python, and Ansible) to streamline routine administrative tasks, deployments, audit reporting, driving operational velocity and accuracy. * Draft and maintain thorough Standard Operating Procedures (SOPs), detailed system architecture diagrams, and configuration management logs to uphold organizational transparency and compliance. ## Related Videos - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## 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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 162: AI careers, MCP, AWS best practices & floppy sweaters](https://www.wearedevelopers.com/magazine/571-dev-digest-162-ai-careers-mcp-aws-best-practices-floppy-sweaters) - [Should Tech Managers Be Developers First? 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