Senior Network Engineer – Secret Clearance (On-Site)

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

Benefits offered by this job

Flexible work arrangements

Learning opportunities

9/80 work schedule

401k matching

Job summary

Northrop Grumman in Redondo Beach, CA is seeking a Principal Network Engineer to design, implement, and maintain high-availability network infrastructure across campus and remote sites. This on-site role requires close collaboration with customers and vendors to deliver secure, scalable solutions.

The position emphasizes Cisco routing/switching, firewall management, wireless tech, and SD-WAN, with security policies aligned to government and NIST guidelines.

Qualifications

• Degree requirements and experience levels for security-focused networking.
• Current U.S. Government Secret level security clearance or CE program enrollment.
• Experience with managed network solutions and large-scale projects.
• Experience with Cisco routing, switching, firewalls, and wireless tech.
• Strong TCP/IP knowledge and LAN/WAN protocol expertise.

Responsibilities

• Plan, design, and deploy site and enterprise network solutions.
• Produce design review packages with schematics and BOMs.
• Install and commission Cisco core network equipment.
• Coordinate fiber and copper cabling projects with teams and suppliers.
• Provide Tier 2/3 troubleshooting for WAN, LAN, and SD-WAN.
• Execute hardware replacements and software upgrades; maintain CMDB.
• Interface with vendors for escalations and new service onboarding.
• Collaborate with Redondo Beach stakeholders to translate requirements.
• Implement security policies per government and NIST guidelines.
• Mentor junior engineers and drive process improvements.

Skills

Cisco networking

Firewall configuration

WLAN / Wireless

Cellular technology

TCP/IP

LAN/WAN protocols

SD-WAN

Education

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

PhD with 1 year of relevant experience

High School Diploma or equivalent with 9 years experience in lieu of degree

Tools

Cisco Router and Switch equipment

Cisco Firewall equipment

Cisco Wireless Technology

Cellular technology

CMDB

Job description

Northrop Grumman in Redondo Beach, CA is seeking a Principal Network Engineer to design, implement, and maintain high-availability network infrastructure across campus and remote sites. This on-site role requires close collaboration with customers and vendors to deliver secure, scalable solutions.

The position emphasizes Cisco routing/switching, firewall management, wireless tech, and SD-WAN, with security policies aligned to government and NIST guidelines.