Senior Network Engineer

Requisition Number: 29069 Required Travel: 0 - 10%Employment Type: Full Time/Salaried/ExemptAnticipated Salary Range: $102,160.00 - $155,000.00 Security Clearance: TS/SCI Level of Experience: Mid 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 DivisionOur 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: SummaryHII’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 - $155,000Engineer Network 4: $119,000 - $169,413What you will doThe Senior Network Engineer is responsible for the following activities:- 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 solutionsMinimum Requirements7+ 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- Conducting advanced troubleshooting to quicky identify and resolve degraded entities while maintaining a secure posture Must meet DoD 8140/CSWF for 652-Intermedediate or be willing to obtain the appropriate credential within 6 monthsTS/SCI clearance required with ability to obtain a CI PolyEngineer 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. 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 HIIWe 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 us.fitly.work 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 us.fitly.work for assistance. Press #3 for HII Mission Technologies.