Principal Network Engineer

Northrop Grumman; United States; Presencial; USD 150.000 - 190.000; Jornada completa

Descripción de la vacante

Northrop Grumman in Sunnyvale, CA is seeking a Principal Network Engineer to design, deploy, and support enterprise network solutions. You will work on Cisco routers/switches, firewalls, and wireless systems, coordinating with vendors and internal teams to ensure high availability and security aligned with DoD/NIST guidelines.

The role requires on-site work at the Sunnyvale campus, with 10% travel. Candidates should have strong TCP/IP knowledge and WAN/LAN experience, and the ability to mentor

Formación

• Associate's degree with 7 years of relevant experience or higher education with fewer years
• Bachelor's degree is preferred with relevant experience
• Master's degree with 3+ years of relevant experience or PhD with 1 year
• Experience with managed network solutions and large-scale technical network engineering projects
• Experience with Cisco Router and Switch equipment, Firewall Cisco Network Equipment, Cisco Wireless Technology

Responsabilidades

• Plan, design, and deploy site and enterprise-level network solutions per Northrop Grumman standards
• Produce design review packages including schematics and BOMs
• Install and commission Cisco core network equipment (routers, switches, firewalls, wireless controllers)
• Coordinate fiber-optic and copper cabling projects with suppliers and internal teams
• Provide Tier 2/3 troubleshooting for WAN, LAN, and SD-WAN ensuring high availability
• Maintain CMDB documentation and liaise with vendors for escalations
• Translate business requirements into robust network solutions for Sunnyvale customers
• Implement and enforce security policies per DoD and NIST guidance

Conocimientos

Cisco Routers

Cisco Switches

Firewall Cisco

TCP/IP

LAN/WAN

SD-WAN

Vendor liaison

Educación

Bachelor's degree in related field

Master's degree in related field

PhD in related field

High School Diploma or equivalent

Herramientas

CMDB

SD-WAN tools

Descripción del empleo

RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% 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.

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We're looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support your mission of expanding your personal network and developing skills, whether you are new to the field or an industry thought leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career.

Northrop Grumman's Corporate Sector's Chief Information & Digital Office (CIDO) is seeking a Principal Network Engineer to support its IT Infrastructure & Operations organization's Network Communications and Visibility (NCV) team in Sunnyvale, CA.

Please note that the candidate selected for this position will be required to work on-site, full-time at our Sunnyvale campus - this is not a remote work opportunity.

Key Responsibilities :

• Plan, design, and deploy site and enterprise level network solutions in accordance with Northrop Grumman standards and best practices.
• Produce comprehensive design review packages, including schematics, bill‑of‑materials, and implementation schedules.
• Install and commission Cisco core network equipment (routers, multilayer switches, firewalls, wireless controllers, and access points).
• Coordinate fiber‑optic and copper cabling projects with suppliers and internal construction teams.
• Provide Tier 2/3 troubleshooting for WAN, LAN, and SD‑WAN environments, ensuring 99.9 % availability of firewalls, routing, and wireless services.
• Execute corrective actions, hardware replacements, and software upgrades while maintaining accurate documentation in our configuration management database (CMDB).
• Serve as the primary technical liaison with vendors (Cisco, Aruba, Juniper, etc.) for escalations, service definitions, and new service onboarding.
• Work closely with the Sunnyvale sector customer base to translate business requirements into robust technical solutions.
• Implement and enforce security policies for network segmentation, access control, and vulnerability remediation in line with DoD and NIST guidelines.
• Participate in after‑action reviews, recommend process enhancements, and mentor junior engineers on best‑in‑class networking practices.

Basic Qualifications:

• Associate's degree with 7 years of relevant experience, Bachelor's degree with 5 years of relevant experience, Master's degree with 3 years of relevant experience, or a PhD with 1 year of relevant experience; a High School Diploma or equivalent with 9 years of relevant experience may be considered in lieu of a completed degree.
• Experience with managed network solutions and large-scale technical network engineering project experience.
• Experience with Cisco Router and Switch equipment, Firewall Cisco Network Equipment, Cisco Wireless Technology, and Cellular Technology.
• A strong knowledge of the TCP/IP protocol, Cisco Router and Switch products.
• Knowledge and experience with LAN/WAN protocols and technologies such as multicast, QoS, CoS & OSPF.

Preferred Qualifications:

• Candidates must have the ability to obtain, and maintain, a U.S. Government Secret level security clearance as a condition of continued employment.
• Experience with SDWAN methodologies/equipment a plus.
• Experience leading enterprise projects for large networks.
• Experience in designing network solutions.
• Experience lea