Network Engineer (Engineer Level 2 or Principal Engineer Level 3)

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Interim Top Secret TRAVEL: Yes, 25% of the Time ## Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman’s Aeronautics Systems sector has an opening for a Network Engineer or Principal Network Engineer​ to join our team of qualified, diverse individuals in our Avionics organization. This position is located in Melbourne, FL. In this role, you will design, plan, and implement secure IP‑based network communications systems for mission‑critical aircraft, delivering detailed architecture schematics, hardware/software specifications, and capacity forecasts. The role demands solid expertise in IP subnetting, routing protocols such as BDP, OSPF, and EIGRP, hands‑on Cisco IOS‑XE configuration, and advanced technologies like GRE/IPSEC tunnels, VRF, and VRRP, together with thorough testing and validation of network designs. You will maintain technical proficiency across routers, multiplexers, firewalls, hubs, bridges, and gateways, evaluate emerging communications technologies to enhance performance and cost‑effectiveness, and produce comprehensive documentation for short‑ and long‑range network planning. Responsibilities and Expectations: * Practical knowledge of functional and physical architecture definition, interface control, and creation of design drawings. * Hands-on involvement in test and verification processes, including creating verification matrices, overseeing hardware/software test, and managing test documentation. * Strong communication skills for cross-functional collaboration and supplier interaction. * Solid Understanding of IP4 network design, including IP subnetting and routing protocols including BGP, OSPF and EIGRP. * Ability to configure and troubleshoot common network devices; Required: Cisco IOS-XE. * Solid Understanding of advanced network topics, such as GRE/IPSEC tunnels, VRF, VRRP. * Solid understanding with network management protocols, like SNMP, SSH, syslog, RADIUS/TACACS. This position may be filled by either at the Network Engineer OR Principal Network Engineer level based on the qualifications below. Basic Qualifications: At a Network Engineer Level: * Must have a Bachelors degree in a STEM field and at least 2 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least some of relevant military / professional / academic experience At a Principal Network Engineer Level: * Must have a Bachelors degree in a STEM field and at least 5 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least 3 years of relevant military / professional experience, OR a PhD and at least 1 year of relevant military / professional / academic experience And At Both Levels: * Must have an active US Government Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation). * Must have the ability to obtain and maintain Special Access Program (SAP) clearance within a reasonable amount of time as determined by business needs. * Must have experience performing...