Linux Systems Administrator
Listed on 2026-01-06
-
IT/Tech
Cybersecurity, IT Support
Requisition Number: 25733
Required Travel: 0 – 10%
Employment Type:
Full Time/Salaried/Exempt
Anticipated Salary Range: $ – $
Security Clearance:
Top Secret
Level of
Experience:
Mid
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution – by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5
ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.
To learn more about Mission Technologies, for a short video:
Who We AreMission Technologies, a Division of HII, is seeking a Linux Systems Administrator to support a Modeling, Simulation, and Training team at the Joint Integrated Test and Training Center – Nellis (JITTC-N), Nellis, AFB, NV. The individual’s primary responsibility would be leading a team of System Administrators that provide Linux System support to a team of engineers, Subject Matter Experts, and Pilots.
WhatYou Will Do
Maintain continuous operation of multi-user computer systems to ensure effective support of missions and the Joint Simulation Environment (JSE) is operating at optimal performance levels. This will include, but are not limited to:
- Setting up administrator and user service accounts.
- Installing system-wide software and allocate mass storage space.
- Performing configuration management and troubleshooting of systems which may be physical or virtual/server based.
- Optimize system operation and resource utilization and perform system capacity analysis and planning.
- Aiding users in accessing and utilizing systems.
- Develop and monitor policies and standards for allocations related to the use of available computing resources.
- Maintaining security updates of operating system and software.
- Maintaining system documentation.
- Evaluating vendor products to inform mission partner of decisions
- Work Environment:
Position is not eligible for remote work; on-site support is required.
- 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
- Must have experience with LINUX system administration.
- Must be capable of working morning and evening shifts to accommodate flexible schedule training operations.
- Must have had an active Top Secret clearance within the last 24 months.
- Ability to obtain and maintain DoD TS/SCI and relevant SAP/SAR Clearance.
- Experience maintaining Red Hat Enterprise Linux (RHEL) systems, highly desired.
- Candidates with an active TS/SCI clearance, highly desired.
- Certifications:
Linux+ and Security+, desired. - Knowledge and/or experience with Security Technical Implementation Guides (STIG) and Security Requirements Guides for the Department of Defense (DOD) information technology, desired.
- Experience in Joint Simulation Environment (JSE) preferably as a System Administrator, desired.
Office, industrial, or shipboard environment. Capable of climbing ladders and tolerating confined spaces and extreme temperature variances. Lifting and moving materials may be required.
BenefitsHII is more than a job – it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs;
Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonother non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by…
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