Systems Administrator - NETTN Support

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Requisition Number:23897 Required Travel: 0 - 10% Employment Type:Full Time/Salaried/Exempt Anticipated Salary Range:$60,770.00-$82,000.00 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 coordinationnot 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 systemsfrom small watercraft to submarines, surface combatants and aircraft carriersHII ensures a high state of readiness.

HII supports the Department of Energys 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 HIIs 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 thats right for you. Apply today. We look forward to meeting you. Mission Technologies is seeking a

Systems Administrator to support the Navy Integrated Training Environment (NITE). This position is focused on the administration and maintenance of the Navy Enterprise Tactical Training Network (NETTN), which supports critical modeling and simulation systems across the defense training enterprise. The Systems Administrator will work as part of a collaborative technical team to resolve issues, maintain system health, and ensure cybersecurity compliance in Windows, RHEL, and virtualized environments. Responsibilities include system troubleshooting, documentation, scripting, and supporting change management activities. Why This Role Is Important

The NETTN infrastructure delivers essential training capabilities that directly contribute to warfighter readiness and joint mission coordination. By supporting and securing this environment, the Systems Administrator plays a critical part in sustaining simulation technologies that help service members prepare for complex real-world scenarios. Perform advanced troubleshooting and issue resolution across client and server systems Administer and maintain Windows and Red Hat Enterprise Linux (RHEL) environments, including virtual systems Support system configurations in compliance with DoD Security Technical Implementation Guides (STIGs) Create and update automation scripts to enhance operational efficiency (e.g., PowerShell, Bash) Participate in change management and configuration processes Document technical procedures, configurations, and support efforts Collaborate with internal teams to support service continuity and improvement Provide Tier 2/3-level support and contribute to team knowledge sharing Minimum Qualifications

Education & Experience

Candidates must meet one of the following: Bachelors degree in a related field and

3years

of relevant experience Masters degree in a related field and

1years

of relevant experience High school diploma or equivalent and

7years

of relevant experience Technical Skills & Experience

Experience with

Microsoft Windows

operating systems and

Active Directory

administration Familiarity with

VMware

or other virtualization platforms Proven experience creating and maintaining administrative scripts (e.g.,

PowerShell ,

Bash ) Ability to perform

root cause analysis , escalate technical issues appropriately, and deliver

Tier 2/3 support Strong written and verbal communication skills, including documenting procedures and communicating with technical/non-technical stakeholders Demonstrated ability to work both independently and collaboratively across multidisciplinary teams Certification & Clearance Requirements

Security+

or equivalent DoD 8570 IAT Level II certification (e.g., CySA+, CCNA Security, GICSP) Must be a U.S. Citizen Must possess an

active DoD Secret clearance Preferred Requirements

Experience using Red Hat Satellite for RHEL systems Familiarity with Windows 10 Secure Host Baseline (SHB) and DoD STIG implementation Experience with ITSM platforms and enterprise ticketing tools Previous involvement in change control or configuration processes Understanding of cybersecurity practices in DoD or government settings Ability to interpret complex technical issues and support ongoing improvements Physical Requirements

Adequate visual acuity and manual dexterity for meeting the requirements of the Systems Analyst discipline. HII is more than a job - its 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 worlds 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 Americas top large company employers, we are a values and ethics driven organization that puts peoples safety and well-being first. Regardless of your role or where you serve, at HII, youll 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. #J-18808-Ljbffr