Lead Linux Systems Administrator - 23650
Date: Jul 8, 2025
Location: Nellis AFB, NV, Nevada, United States
Company: HII's Mission Technologies division
Requisition Number: 23650
Required Travel: 0 - 10%
Employment Type: Full Time/Salaried/Exempt
Anticipated Salary Range: $120,000.00 - $150,000.00
Security Clearance: TS/SCI
Level of Experience: Senior
Meet HII’s Mission Technologies Division
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 C5ISR, 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, click here for a short video: https://vimeo.com/732533072
Who We Are
Mission Technologies, a Division of HII, is seeking a Linux Systems Administrator Lead 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.
What You Will Do
Maintain continuous operation of multi-user Linux computer systems to ensure team can effectively support the mission. This will include, but are not limited to:
- Daily managing team of System Administrators including mentorship and expert knowledge when needed by junior System Administrators
- Setting up administrator and service accounts.
- Installing system wide software and allocate mass storage space.
- Performing configuration and troubleshooting of systems which may be desktop and/or server based.
- Optimizing system operation and resource utilization and performs system capacity analysis and planning.
- Aiding users in accessing and using systems.
- Developing and monitoring policies and standards for allocation related to the use of computing resources.
- Maintaining security updates of operating system and software.
- Maintaining system documentation.
- Evaluating vendor products to inform mission partner of decisions
What You Must Have
- 10 years relevant experience with Bachelors in related field; 8 years relevant experience with Masters in related field; or High School Diploma or equivalent and 14 years relevant experience.
- Eligible candidates must have management and/or mentoring experience.
- Must have experience with LINUX system administration.
- Must be capable of working morning and evening shifts to accommodate flexible schedule training operations.
- Work Environment: Position is not eligible for remote work; on-site support is required.
- Ability to obtain and maintain a DoD TS/SCI and relevant SAP/SAR Clearance.
- Candidates must have had an active Top Secret clearance within the last 24 months.
Preferred Requirements
- Certifications: Linux+ and Security+
- Experience in Joint Simulation Environment (JSE) preferably as a System Administrator.
- Preferred experience would be maintaining Red Hat Enterprise Linux (RHEL) systems.
- Prefer candidates with an active TS/SCI clearance
Physical Requirements
Benefits
HII 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. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.
The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.
Why HII
We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.
Together we are working to ensure a future where everyone can be free and thrive.
All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.
Do You Need Assistance?
If you need a reasonable accommodation for any part of the employment process, please send an e-mail to buildyourcareer@hii-co.com and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.