Network Administrator (Network Communications 3) - 29672

Requisition Number: 29672 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $94,352.00 - $98,370.48 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. Role HII Mission Technologies is seeking an experienced Network Communications professional to join our team! This position directly contributes to U.S. Navy mission readiness by ensuring robust, secure communications throughout critical training environments. By sustaining high‑performance network operations, you help safeguard sensitive information, enable effective training, and ensure Navy personnel have the dependable network resources required to accomplish their mission. What You Will Do 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. What You Must Have 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Candidate must have experience installing and troubleshooting WAN/LAN equipment and circuits. Candidate must have experience monitoring, maintaining, and troubleshooting ASA firewall ACLs. Candidate must have the ability to troubleshoot at the protocol/packet level using sniffers, protocol analyzers, NetFlow, logging, etc. Candidate must have strong knowledge of Cisco networking, including IP addressing, VLANs, routing protocols (OSPF, EIGRP, BGP, multicast), and Cisco IOS. Candidate must hold a DoD 8570.01‑M IAT Level II baseline certification (e.g., Security+, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP). Candidate must hold a current of active DoD Secret security clearance. Bonus Points For Having! 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. Physical Requirements Job Performance will normally require only minor lifting and carrying of boxes of records or equipment. 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. 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 click.appcast.io 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 click.appcast.io for assistance. Press #3 for HII Mission Technologies. #J-18808-Ljbffr Mission Technologies, a division of HII