Network Engineer 3

Requisition 30819 · Full Time/Salaried/Exempt · 0–10% travel · TS/SCI clearance required · Mid-level experience

About the role

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Mission Technologies fields more than 7,000 professionals worldwide delivering all-domain expertise and advanced technologies in service of mission partners across the globe. The division is leading the next evolution of national defense – the data evolution – by accelerating a breadth of national security solutions for government and commercial customers. 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.

Responsibilities

• Support the planning, implementation, maintenance, and troubleshooting of secure network infrastructures supporting Department of the Air Force (DAF) mission systems.
• Configure, monitor, and maintain routers, switches, firewalls, VPNs, and other network devices.
• Perform network performance analysis, fault isolation, and root‑cause investigations to ensure high availability and reliability.
• Assist with network upgrades, technology refreshes, and the integration of new systems or capabilities.
• Implement and maintain network security controls aligned with DoD and DAF cybersecurity policies.
• Support accreditation, compliance, and documentation activities under RMF and related processes.
• Maintain documentation including network diagrams, configuration baselines, SOPs, and change records.
• Provide user support and technical guidance to on‑site personnel and mission operators.
• Participate in on‑call or after‑hours support as required by mission operations.

Requirements

• Bachelor’s degree in Information Technology, Networking, Cybersecurity, Computer Science, or related field; OR equivalent combination of education and experience.
• 5 years of hands‑on experience supporting enterprise or tactical network environments.
• Working knowledge of Layer 2/3 networking concepts, IP routing, VLANs, ACLs, and basic network security.
• Experience configuring and maintaining common network hardware (e.g., Cisco, Juniper, Brocade, Aruba).
• Ability to perform network troubleshooting using standard tools and methodologies.
• DoD 8570 IAT Level II certification (e.g., Security+, CCNA Security, CYSA+), or ability to obtain within required timeframe.
• Active TS/SCI clearance.

Preferred Qualifications

• Experience supporting DoD, DAF, or other government/mission‑critical environments.
• Familiarity with RMF, STIGs, and DoD cybersecurity compliance requirements.
• Experience with network monitoring tools (e.g., SolarWinds, Splunk, ManageEngine).
• Knowledge of VPNs, firewalls, IDS/IPS, and secure enclave configurations.
• Experience supporting tactical or austere communications platforms.
• Advanced vendor certifications (e.g., CCNP, JNCIS, Network+ CE).
• Experience with VoIP, unified communications, or radio/IP integration.
• Strong documentation and change‑management discipline.

Physical Requirements

May require working in an office, industrial, or laboratory environment.

Pay

Anticipated salary range: $93,276.00 – $133,000.00. The listed range is a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division considers factors including the role's function and a candidate's education or training, work experience, and key skills. Bonus/other non-recurrent compensation is occasionally offered for qualified positions and, if applicable, will be addressed by the recruiter at the screening phase.

Benefits

• Best-in-class medical, dental and vision plan choices
• Wellness resources and employee assistance programs
• Savings Plan Options (401(k)) and financial planning tools
• Life insurance
• Employee discounts
• Paid holidays and paid time off
• Tuition reimbursement
• Early childhood and post-secondary education scholarships