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Director Linux Jobs in Washington, DC (NOW HIRING)

Linux / Unix Systems Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please ... With direct access to company leadership, a laid-back and inclusive atmosphere, and exceptional ...

Linux / Unix Systems Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please ... With direct access to company leadership, a laid-back and inclusive atmosphere, and exceptional ...

Bachelors degree. * Eight years of technical experience administering Linux in an Enterprise ... Ability to troubleshoot problems, work as both a team and/or a self-directed individual, client ...

Bachelors degree. * Eight years of technical experience administering Linux in an Enterprise ... Ability to troubleshoot problems, work as both a team and/or a self-directed individual, client ...

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Infographic showing various Director Linux job openings in Washington, DC as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, 1% Temporary, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Linux Server Administrator with Security Clearance

MANTECH

Quantico, VA • On-site

Other

Posted 29 days ago


ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

32nd of 243 rated software companies


Job 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. Responsibilities include but are not limited to: * 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. Minimum Qualifications: * 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 (e.g., 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.

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