Sr. Network Engineer

Inmarsat PLC; Dayton (OH); On-site; USD 111,000 - 139,000; Full time

Job summary

Inmarsat Government is seeking a Senior Network Engineer to lead design, engineering, security, and sustainment of enterprise networks supporting classified missions. You will architect resilient networks, oversee routing/switching, and manage firewall configuration for defense environments.

Requires a Bachelor’s degree, 10+ years in network engineering, experience with Cisco/Juniper/Palo Alto, and an active TS/SCI clearance.

Qualifications

• Bachelor’s degree in engineering, Information Technology, Computer Science, or related field.
• 10+ years of network engineering experience.
• Experience with Cisco, Juniper, Palo Alto, routing, switching, WAN/LAN, and secure network environments.
• Ability to support classified systems and provide technical leadership.
• Active TS/SCI clearance.

Responsibilities

• Design, engineer, and sustain enterprise network environments supporting classified and mission-critical operations.
• Architect resilient network solutions, lead routing and switching design, and oversee firewall configuration.
• Drive troubleshooting, cybersecurity compliance, and technical documentation across defense environments.

Skills

Cisco

Juniper

Palo Alto

Routing

Switching

WAN/LAN

Secure networks

Cloud networking

Zero Trust

SD-WAN

Education

Bachelor’s degree in engineering, IT, CS, or related field

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Full Time Technical Wright Patterson AFB, Dayton, OH, US

Salary Range: $111,400.00 To $139,300.00 Annually

About Us

At Inmarsat Government, a wholly owned subsidiary of Viasat, Inc., we do things differently. Our culture empowers people to challenge conventional thinking, solve complex problems, and achieve what others may consider impossible. We design and deliver innovative, secure satellite and communications solutions that connect people, organizations, and critical missions anywhere in the world. Our technology enables millions to access the information, services, and opportunities that keep communities and missions moving forward. If you are driven to make an impact, solve what others cannot, and be part of something bigger than yourself, Inmarsat Government is where you belong.

Job Responsibilities:

The Senior Network Engineer provides technical leadership in the design, engineering, security, and sustainment of enterprise network environments supporting classified and mission‑critical operations. The individual architects resilient network solutions, leads routing and switching design, and oversees firewall configuration, capacity planning, and performance optimization. The role drives complex troubleshooting, technology refresh initiatives, cybersecurity compliance, and technical documentation while ensuring network solutions meet operational, security, and performance requirements across defense environments.

What you’ll need:

• Bachelor’s degree in engineering, Information Technology, Computer Science, or related field.
• 10+ years of network engineering experience.
• Experience with Cisco, Juniper, Palo Alto, routing, switching, WAN/LAN, and secure network environments.
• Ability to support classified systems and provide technical leadership.
• Active TS/SCI clearance.

What will help you on the job:

• Experience with cloud networking, Zero Trust architecture, Software-Defined Wide Area Networking (SD-WAN), and Air Force enterprise networking environments.
• Professional certifications including Cisco Certified Network Professional (CCNP) Enterprise, Security+ Continuing Education (CE), Cisco Certified Internetwork Expert (CCIE), Palo Alto Networks Certified Network Security Engineer (PCNSE), Microsoft Certified: Azure Network Engineer Associate (AZ-700), AWS Certified Advanced Networking – Specialty, and Cisco Certified DevNet Professional are preferred.

Inmarsat Government is an Equal Opportunity Employer