Senior Systems Administrator; Systems Administrator

Position: Senior Systems Administrator (Systems Administrator 4) - 28577
Requisition Number: 28577 Required Travel: 0 - 10%

Employment Type:

Full Time/Salaried/Exempt Anticipated Salary Range: $ - $ 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. Leadership Mindset at HII – Mission Technologies Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture:
Know & Grow Your People – Commit to learning and supporting team success. Build Relationships – Communicate openly, collaborate well, and build trust. Take Ownership – Deliver on commitments and take pride in your work. Customer First – Focus on the mission and those we serve. Shape the Future – Bring ideas, curiosity, and continuous improvement. Act with Urgency – Take initiative and follow through with purpose.

These capabilities guide how all employees contribute to our shared success across Mission Technologies. Who We Are The Navy Integrated Training Environment (NITE) System Administrator is responsible for the administration, maintenance, and cybersecurity defense of all Navy Enterprise Tactical Training Network (NETTN) client and server infrastructure supporting enterprise-wide modeling and simulation applications and services for NITE. This role works closely with team members and other departments to update, monitor, and maintain servers and workstations across the enterprise.

Additional responsibilities include administering Microsoft Windows and Red Hat Enterprise Linux servers, managing GPOs, creating and modifying DHCP reservations, performing patching and STIG compliance, developing standard operating procedures, training junior personnel, and providing Tier 2 technical support. The individual must be able to work independently as well as collaboratively within a team. What You Will Do Maintains smooth operation of multi-user computer systems, including coordination with network administrators.

Interacts with users and evaluates vendor products. Makes recommendations to purchase hardware and software, coordinates installation and provides backup recovery. Develops and monitors policies and standards for allocation related to the use of computing resources. Ancillary duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space.

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. Candidate must have a CompTIA Security+ or equivalent certification. Candidate must be able to obtain and maintain a US Secret security clearance. Candidate must have Red Hat operating systems experience.

Candidate must have DoD Security Technical Implementation Guides (STIG) experience. Candidate must have strong technical troubleshooting skills. Candidate must have the ability to read and digest technical information. Candiate must have strong attention to detail. Candidate must…