NITE Network Administrator (Network Communications 3)

HII's Mission Technologies division•Quantico, VA

1d•$94,352 - $124,000•Onsite

About The Position

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 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. The NITE Network Administrator is responsible for operating, maintaining, and troubleshooting network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN). This role supports multiple networks across various classification levels, ensuring continuous, secure connectivity for customers and sites. The position works closely with the Network Operations and Security Center (NOSC) to provide helpdesk support, resolve connectivity issues, and maintain compliance with Information Assurance requirements. Your work will directly support mission readiness for the U.S. Navy by ensuring secure, reliable communications across critical training environments. By maintaining operational excellence, you will help enable effective training, protect sensitive information, and ensure that Navy personnel have the network resources they need to succeed.

Requirements

Bachelor’s degree in a related field and 5 years relevant experience; OR Master’s degree in a related field and 3 years relevant experience; OR PhD/JD in a related field and 0 years experience; OR High school diploma/equivalent and 9 years relevant experience.
Experience installing and troubleshooting WAN/LAN equipment and circuits.
Experience monitoring, maintaining, and troubleshooting ASA firewall ACLs.
Ability to troubleshoot at the protocol/packet level using sniffers, protocol analyzers, NetFlow, logging, etc.
Strong knowledge of Cisco networking, including IP addressing, VLANs, routing protocols (OSPF, EIGRP, BGP, multicast), and Cisco IOS.
Must hold a DoD 8570.01-M IAT Level II baseline certification (e.g., Security+, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP).
Must hold a current of active DoD Secret security clearance.

Nice To Haves

Understanding of IP networking fundamentals, OSI model, and packet/frame structures.
Experience in a Network Operations Center (NOC) environment, including help desk, customer communication, and ticket resolution.
Familiarity with DoD Security Technical Implementation Guidelines (STIGs).
Experience with network monitoring tools (e.g., SolarWinds).
Knowledge of network security technologies, including firewalls, VRFs, and port‑security/802.1x.
Experience with NSA Type 1 cryptographic devices and keymat (KG‑175D, KG‑75).
Willingness to work periodic shifts, including evenings, nights, and weekends.

Responsibilities

Operate, monitor, and maintain local area networks (LAN), wide area networks (WAN), and virtual private networks (VPN) to ensure smooth, reliable performance.
Plan, install, configure, and reconfigure network hardware and software, including routers, switches, firewalls, multiplexers, hubs, bridges, and gateways.
Troubleshoot network connectivity issues, including WAN circuits, equipment failures, router/switch configurations, firewall ACLs, VoIP device setup, and cryptographic device/keying material.
Coordinate with Navy, DISA, and commercial circuit providers for network implementation and issue resolution.
Maintain Information Assurance compliance, including IOS upgrades, configuration changes, and firewall ACL verification.
Support remote sites in restoring network operations after outages or failures.
Prepare and maintain network documentation, including operational instructions and configuration records.
Monitor network performance, conduct analysis, and provide recommendations for short‑ and long‑term improvements.
Coordinate third‑party maintenance for network equipment when required.
Design network solutions, including hardware and software selection, to meet evolving operational needs.
Work periodic shifts, including evenings, nights, and weekends, as required to support mission readiness and operational continuity.