Senior Network Architect, TS/SCI | SD-WAN & Zero Trust

Northrop Grumman Corp. (AU); Redondo Beach, Northern (CA, KY); Hybrid; USD 129,000 - 194,000; Full time

Benefits offered by this job

Healthcare

9/80 work schedule

401k matching

Job summary

Northrop Grumman is seeking a Sr. Network Communications - Network Administrator to support classified government contracts at our Redondo Beach, CA site.

The role requires a current Top Secret/SCI clearance with a Counter-Intelligence Polygraph and hands-on experience in LAN/WAN design and network infrastructure. Responsibilities include developing roadmaps for SDWAN and ZeroTrust, supervising large multidomain networks, and guiding junior engineers.

Qualifications

• Master's Degree with 6 years of relevant IT experience required, or Bachelor's with 8 years, or Associate with 10 years, or HS diploma with 12 years.
• Demonstrated experience designing and maintaining complex LAN/WAN networks, including routers, switches, and firewalls.
• Experience supporting Video Teleconferencing (VTCs) and deploying AV technologies in classified environments.
• Must meet U.S. Government 8140 (8570 equivalent) for Sr Principal Network Administrator – IAT Level II (e.g., Security+ CE, CCNA-Security).
• Current Top Secret / SCI clearance with Counter-Intelligence Polygraph (minimum) required.
• Ability to obtain and maintain access to Special Programs.

Responsibilities

• Perform Sr. Network Communications activities in support of classified government contracts.
• Define and execute long-term network architecture roadmaps (SDWAN, ZeroTrust, cloud-enabled networking) with security/compliance alignment.
• Lead design, integration, and implementation of large-scale multidomain networks and oversee migrations and cyber resilience.
• Serve as senior liaison to government customers and internal leadership, negotiating requirements and delivering status briefings.
• Author and enforce enterprise-wide network standards, policies, and security frameworks; audit compliance.
• Provide advanced monitoring, analysis, and planning for network systems; coordinate third-party maintenance as needed.
• Deliver third-level technical support for complex network, hardware, software, and telecom issues.
• Develop technical solutions to complex problems, clarify requirements, ensure adherence to standards.
• Raise issues to management and measure KPIs; implement corrective actions to exceed standards.
• Mentor junior and senior team members to enhance capabilities.
• Lifts and moves equipment up to 50 pounds; work after hours and weekends as needed.

Skills

LAN/WAN design

Network monitoring

Technical troubleshooting

Stakeholder liaison

Education

Master's Degree in IT/CS

Tools

ServiceNow

JIRA

Networking hardware

Wireshark / SolarWinds

Job description

Northrop Grumman is seeking a Sr. Network Communications - Network Administrator to support classified government contracts at our Redondo Beach, CA site.

The role requires a current Top Secret/SCI clearance with a Counter-Intelligence Polygraph and hands-on experience in LAN/WAN design and network infrastructure. Responsibilities include developing roadmaps for SDWAN and ZeroTrust, supervising large multidomain networks, and guiding junior engineers.