NETWORK ENGINEER 3

NETWORK ENGINEER 3

Location:

Pascagoula, Mississippi, United States

Date: May 20, 2026

Req ID: 47158

Team: 58 Information Systems

Entity: Ingalls Shipbuilding

US Citizenship Required for this Position: Yes

Full-Time

Shift: 1st

Relocation: No relocation assistance available

Virtual/Telework Opportunity: No - Not eligible for telework

Travel Requirement: Yes, 10%-25% of the time

We're building tomorrow's fleet today

With more than 11,000 employees, HII's Ingalls Shipbuilding division is the largest manufacturing employer in Mississippi and a major contributor to the economic growth of Alabama. For nearly 85 years, we've designed, built and maintained amphibious ships, destroyers, and cutters for the U.S. Navy and the U.S. Coast Guard. The largest supplier of U.S. Navy surface combatants, we're simultaneously building four classes of ships and have pioneered the development and production of technologically advanced, highly capable ships for the surface Navy fleet for decades. Think that's cool? Keep reading:

The Role

Maintains smooth operation of local area, world wide and virtual private networks (VPN). Plans, evaluates, and coordinates installation and/or reconfiguration of hardware and software elements of data and/or voice communication network. Maintains technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc. May propose solutions to management to ensure all communications requirements based on future needs and current usage, configuring such solutions to optimize cost savings. Prepares or ensures that appropriate network documentation exists, including operational instructions. Provides regular monitoring and network analysis regarding short- and long-range planning for in-house systems. May coordinate third-party maintenance for network equipment. May design network or portion of network that include selection of hardware and software packages.

We are seeking an experienced Network Engineer 3 to join our enterprise IT Infrastructure team. This senior technical role is responsible for advanced network design, implementation, troubleshooting, and support across a large, complex environment. The ideal candidate is highly proficient with SD WAN, Zscaler, Palo Alto Networks firewalls, and Microsoft Azure networking, and able to work with various teams, both internal and external, to maintain expect overall network performance.

Key Responsibilities:

• Serve as a network engineering resource for enterprise routing, switching, and security

• Design, implement, and optimize SD WAN solutions across multiple sites

• Support with Zscaler ZIA/ZPA, including policy, connectivity, and performance tuning

• Manage Palo Alto firewalls and Panorama, including security policies and advanced troubleshooting

• Support and enhance Azure networking components such as VNets, vWAN, routing, VPN/ExpressRoute, firewalls, and hybrid connectivity

• Lead troubleshooting for escalated network incidents and performance issues

• Drive network modernization initiatives and infrastructure upgrade projects

• Produce and maintain detailed network documentation, diagrams, and procedural guides

• Collaborate closely with cloud, security, application, and operations teams

Must Have

5 Years with Bachelor's Degree in related field; 3 years of relevant professional experience with a Master's Degree.

Strong expertise with: SD WAN platforms , Zscaler ZIA/ZPA, Palo Alto Networks firewalls and Panorama, Azure network components and hybrid cloud connectivity. Deep understanding of routing, switching, VPN technologies, DNS, and network security principles. Proven ability to lead complex network changes and resolve high severity incidents.

Nice to Have

Experience managing or supporting contract requirements for external service providers, including performance measurement and contract adherence

Relevant certifications such as CCNP/CCIE, PCNSE, AZ 700, or Zscaler Professional credentials. Familiarity with network automation or scripting tools. Experience with monitoring, SIEM solutions, and proactive performance tuningExperience managing or supporting contract requirements for external service providers, including performance measurement and contract adherence. Excellent communiuction and documentation skills.

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. HII's diverse 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.

Working at HII is more than a job - it's an opportunity to build a future. We offer comprehensive benefits including: medical, prescription drug, dental and vision plan choices, on-site health centers, tele-medicine, wellness resources, employee assistance programs, savings plan options (401K), financial education and planning tools, life insurance, tuition reimbursement, employee discounts, early childhood and post-secondary education scholarships, and more. Some benefits may vary depending on your specific division or work location.

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. U.S. Citizenship may be required for certain positions.

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 .com 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 e-mail address.

Additionally, you may also call View phone number on click.appcast.io for assistance. Press #1 for Ingalls Shipbuilding.