(140) Network Administrator (Network Communications 3)

Requisition Number: 30780

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $82,046.00 - $115,000.00

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.

Leadership Mindset at HII – Mission Technologies

Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every employee grows, leads, and contributes—regardless of role. It sets the standard for how you can develop yourself and what you can expect from leaders across our organization. We look for candidates who want to grow in alignment with these capabilities:

• 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.

Job Description

We are currently seeking a Network Administrator to support the Navy Integrated Training Environment (NITE). This position will be in the Network Operations and Security Center (NOSC). The NOSC functions as the helpdesk for network operations support and provides troubleshooting of network connectivity including WAN circuits, equipment failures, router and switch configurations, firewall access control lists, VoIP device registrations and configuration, cryptographic device configurations and keying material. This includes coordination with Navy, DISA, and commercial circuit providers for implementation and troubleshooting; maintaining Information Assurance compliance including IOS upgrades, network device configuration changes, firewall ACL verification and changes; and supporting remote sites in restoring network failures.

Essential Job Responsibilities

• Responsible for operating, maintaining, and troubleshooting network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN).
• Support the operation and maintenance of multiple networks across different classification levels and ensure continuous network connectivity is maintained to customers and sites.
• Provide troubleshooting of network connectivity including WAN circuits, equipment failures, router and switch configurations, firewall access control lists, VoIP device registrations and configuration, cryptographic device configurations and keying material.
• Coordinate with Navy, DISA, and commercial circuit providers for implementation and troubleshooting
• Maintain Information Assurance compliance including IOS upgrades, network device configuration changes, firewall ACL verification and changes
• Support remote sites in restoring network failures.

Minimum Qualifications

• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
• Security+ or equivalent certification required
• Must currently hold and be able to maintain a US Secret security clearance

• Experience in installing and troubleshooting WAN and LAN network equipment and circuits
• Strong experience in monitoring, maintaining and troubleshooting ASA firewall ACLs
• Strong ability to troubleshoot network issues at the protocol/packet level using sniffers, protocol analyzers, NetFlow, logging, etc.
• Strong technical network troubleshooting and critical thinking skills with the ability to troubleshoot technical issues within multiple systems
• Strong knowledge of Cisco Internetworking including IP addressing (subnets, CIDR), switching (VTP, VLANs, 802.1q, etc..) and routing (OSPF, EIGRP, BGP, PIM, multicast, etc.) and Cisco IOS
• Strong knowledge of IP networking fundamentals, OSI model, and frame/packet structure
• Experience in a network operations center environment including help desk, customer communication, trouble ticketing, and issue resolution
• Experience with Department of Defense Security Technical Implementation Guidelines
• Experience with network and performance monitoring tools (SolarWinds, etc.)
• Experience in network security technologies including firewalls, VRFs, and port-security/802.1x
• Familiarity with Cisco VoIP, including PoE switches and Call Manager
• Experience with NSA Type 1 cryptographic devices and keymat particularly KG-175D and KG-75
• Must be willing to work periodic shifted schedules include evening, night, and weekend

Preferred Requirements

• Bachelor’s degree in Computer Science, Information Systems, or related discipline. In some cases, educational requirements may be adjusted or waived for applicable work experience.
• 7 + years demonstrated experience in network operations and support. Work experience may be adjusted for highly specialized knowledge or uniquely applicable experience.
• CCNP Certification or equivalent strongly preferred

Physical Requirements

Adequate visual acuity and manual dexterity for meeting the requirements Software Engineer family.

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.

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:

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.

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 View email address on aiapply.co 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 View phone number on aiapply.co for assistance. Press #3 for HII Mission Technologies.