Systems Administrator 3

Requisition Number: 23156 

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $76,513.00 - $100,000.00 

Security Clearance: Secret  

Level of Experience: Mid 

 

This opportunity resides with Global Security (GS). Mission Technologies’ Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business.

As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination—not readiness in piece-parts.

For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and aircraft carriers—HII ensures a high state of readiness.

HII supports the Department of Energy’s national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country. HII meets clients’ toughest nuclear and environmental challenges.
 

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

Job Description

Mission Technologies, a division of Huntington Ingalls Industries, is searching for a qualified candidate to fill the role of Systems Administrator III for NITE. The Navy Integrated Training Environment (NITE) Systems Administrator III serves as a senior technical resource within the service desk, responsible for advanced troubleshooting, root cause analysis, and escalation coordination for the Navy Enterprise Tactical Training Network (NETTN) client and server infrastructure. This infrastructure supports enterprise-wide modeling and simulation applications and services for the NITE.

The candidate will collaborate closely with multiple internal teams to identify and resolve complex technical issues, support systems in virtualized and Red Hat Enterprise Linux (RHEL) environments, and ensure system documentation and configurations meet DoD cybersecurity compliance standards, including STIGs. Additional duties include contributing to change management activities, creating automation scripts, mentoring junior staff, and providing expert-level input on technology improvements.

Essential Job Responsibilities

Maintains smooth operation of multi-user computer systems, including coordination with network administrators, security teams, and engineering personnel. Responsibilities include advanced troubleshooting, root cause analysis, escalation routing, and direct support of virtual and physical systems within the Navy Enterprise Tactical Training Network (NETTN). This role involves supporting both Windows and Red Hat Enterprise Linux (RHEL) environments, including systems managed through Red Hat Satellite, and requires strong familiarity with VMware-based virtual infrastructures. The administrator is responsible for developing and maintaining automation scripts to improve efficiency, participating in change management processes, and ensuring system documentation is complete, accurate, and compliant with DoD Security Technical Implementation Guides (STIG). Additional duties include maintaining system documentation, contributing technical input on service improvements, mentoring junior administrators, and collaborating with multiple departments to ensure consistent delivery of IT services and mission support.

Minimum Qualifications

• 6 years relevant experience with a Bachelor's degree in a related field OR
• 4 years relevant experience with a Master’s degree in a related field OR
• High School Diploma or equivalent and 10 years relevant experience.
• Active U.S. Secret security clearance.
• Security+ or equivalent DoD 8570 IAT Level II certification.
• Experience with Microsoft Windows operating systems and Active Directory administration.
• Experience supporting Red Hat Enterprise Linux (RHEL) environments.
• Familiarity with virtualization technologies, such as VMware.
• Experience creating and maintaining automation or administrative scripts (e.g., PowerShell, Bash).
• Proven ability to perform root cause analysis, escalate complex issues appropriately, and provide Tier 2/3-level support in a service desk environment.
• Strong written and verbal communication skills, including the ability to document procedures and communicate technical information clearly.
• Demonstrated ability to work both independently and collaboratively across multidisciplinary teams.

Preferred Requirements

• Experience using Red Hat Satellite for RHEL system management.
• Working knowledge of Windows 10 Secure Host Baseline (SHB) configurations and DoD STIG compliance.
• Familiarity with enterprise ITSM tools and ticketing systems.
• Experience participating in change management and configuration control processes.
• Prior experience mentoring junior technical staff or service desk personnel.
• Understanding of cybersecurity best practices within DoD or government environments.
• Ability to analyze technical issues and provide recommendations on system improvements or service enhancements.

Physical Requirements

Adequate visual acuity and manual dexterity for meeting the requirements of the Systems Analyst discipline.

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.