Senior Network Engineer

Huntington Ingalls Industries, Inc.•Springfield, MO

About The Position

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. 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: https://vimeo.com/732533072 Summary HII’s Mission Technologies division is dedicated to delivering cutting-edge solutions that advance national security and defense objectives. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations. The selected candidate will contribute to a high-impact government program focused on enhancing and securing mission-critical systems and environments. This program launched in early 2026 and due to the classified nature of the mission and the sensitivity of the operational environment, an active TS/SCI security clearance will be required. We will be hiring several people for these roles at various levels with salary ranges outlined here: Engineer Network 3: $102,160 - $155,000 Engineer Network 4: $119,000 - $169,413

Requirements

7+ years of hands-on experience administering or engineering Enterprise networks
Demonstrated experience leading the employment of network engineering techniques, methodologies, processes, and practices to design, engineer, implement, test, secure, and deliver a variety of enterprise-grade IT networking solutions
Experience with secure Enterprise information systems, circuits, configurations, and protocols and associated security appliances (encryptors, firewalls, etc.)
Experience with network traffic flow analysis, network management, network topologies, network security, performance, high availability, load balancing, and fault tolerant architectures
Must meet DoD 8140/CSWF for 652-Intermedediate or be willing to obtain the appropriate credential within 6 months
TS/SCI clearance required with ability to obtain a CI Poly

Nice To Haves

Engineer Network 3: 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.
Engineer Network 4: 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

Responsibilities

Designing, deploying, and optimizing Enterprise and data center network environments
Translating requirements into network solutions, modifications, and support upgrades (network reconfigurations, hardware and software acquisitions, installation, testing)
Supports the planning, development, and integration, and transition to O&M
Developing and maintaining documentation of network systems, subsystems, and components in the networking portfolio (i.e., as-built documentation, capacity planning, etc.)
Exploring, researching, investigating, analyzing, and assessing new technologies to modernize and improve on existing network solutions
Conducting advanced troubleshooting to quickly identify and resolve degraded entities while maintaining a secure posture