Senior Enterprise Network Engineer (On-Site)

Northrop Grumman; Redondo Beach (CA); On-site; USD 104,000 - 155,000; Full time

Benefits offered by this job

Flexible work arrangements

Learning opportunities

401k matching

Health insurance

Job summary

Northrop Grumman in Redondo Beach, CA is seeking a Principal Network Engineer to design, implement, and maintain high-availability network infrastructure across the campus and remote sites. You will work on-site full-time, coordinate with vendors, and translate business needs into robust technical solutions while adhering to government and NIST guidelines.

The role requires a degree with several years of experience, Cisco and firewall expertise, SD-WAN knowledge, and strong TCP/IP skills.

Qualifications

• Associate’s degree with 7+ years of relevant experience or higher.
• Experience with managed network solutions and large-scale technical network engineering projects.
• Experience with Cisco Router and Switch equipment, Firewalls, Cisco Wireless Technology, and Cellular Technology.
• Strong knowledge of TCP/IP, LAN/WAN protocols and technologies including multicast, QoS, CoS & OSPF.

Responsibilities

• Plan, design, and deploy site and enterprise level network solutions per NG standards.
• Produce design review packages with schematics, BOMs, and implementation schedules.
• Install and commission Cisco core network equipment (routers, multilayer switches, firewalls, wireless controllers, APs).
• Coordinate fiber/copper cabling projects with suppliers and construction teams.
• Provide Tier 2/3 troubleshooting for WAN, LAN, and SD‑WAN with high availability targets.
• Perform hardware replacements, software upgrades and maintain CMDB documentation.
• Serve as primary liaison with vendors for escalations and onboarding of services.
• Translate business requirements into robust technical solutions for Redondo Beach and remote sites.
• Enforce security policies for network segmentation and vulnerability remediation per government/NIST guidelines.
• Participate in after-action reviews and mentor junior engineers.

Skills

Network engineering

Cisco routing

Cisco switching

Firewalls

Cisco wireless

TCP/IP

LAN/WAN

QoS/CoS/OSPF

SDWAN

Project management

Education

Bachelor’s degree in a related field

Master’s degree

PhD

Tools

Cisco equipment

Palo Alto firewalls

Juniper devices

SNIFfer/network sniffing tools

Job description

Northrop Grumman in Redondo Beach, CA is seeking a Principal Network Engineer to design, implement, and maintain high-availability network infrastructure across the campus and remote sites. You will work on-site full-time, coordinate with vendors, and translate business needs into robust technical solutions while adhering to government and NIST guidelines.

The role requires a degree with several years of experience, Cisco and firewall expertise, SD-WAN knowledge, and strong TCP/IP skills.