Sr Principal Network Engineer-18754

Northrop Grumman

Actively hiring
Roy, UT Posted 15 days ago $111,700–$167,500 / year
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At a glance

AI generated

TL;DR

As a Senior Principal Network Engineer (T4) at our advanced systems engineering team in Roy, Utah, you will serve as a technical expert responsible for designing, implementing, securing, and optimizing complex network architectures that support mission-critical operations. Your daily tasks include leading the design of large-scale enterprise networks, developing detailed network documentation, configuring technologies like BGP, OSPF, MPLS, and SD-WAN, and overseeing Layer 2/3 switching infrastructure from vendors such as Cisco, Juniper, and Arista. You will also develop automation scripts using Python and Ansible to enhance operational efficiency, mentor junior engineers, and collaborate with cybersecurity teams to ensure compliance with NIST and DoD standards. This role requires expertise in enterprise networking technologies, strong analytical skills, and the ability to operate in a fast-paced environment supporting high-visibility programs.

Skills

Cisco Juniper Palo Alto Arista BGP OSPF MPLS SD-WAN QoS Python Ansible Terraform NIST DoD DISA STIGs VMware KVM AWS Azure GovCloud SolarWinds Splunk Elastic Cisco DNA Center

What you'll do

  • Lead design and deployment of large-scale enterprise networks including LAN/WAN/WLAN.
  • Develop detailed network design documents and implementation plans for complex systems.
  • Configure and manage advanced routing protocols like BGP, OSPF, MPLS, VXLAN, EVPN.
  • Oversee Layer 2/Layer 3 switching and routing infrastructure from major vendors.
  • Implement and validate network security mechanisms to comply with NIST/DoD standards.
  • Conduct fault isolation, root cause analysis, and develop corrective action plans.

What we're looking for

  • Expert-level experience with enterprise networking technologies including routing & switching (Cisco/Juniper/Arista).
  • Hands-on experience with firewalls, network security technologies, and compliance with NIST/DoD cybersecurity controls.
  • Strong understanding of DoD/IC networking requirements and secure transport protocols.
  • Ability to develop and maintain detailed technical documentation and architectural artifacts.
  • Active U.S. security clearance (minimum TS/SCI) and ability to obtain Special Program Access.
  • Excellent communication skills for briefing senior leadership and technical stakeholders.
  • Experience with network automation tools such as Python, Ansible, Terraform.
  • Proven leadership in project management or technical oversight roles.

Market check

Salary context

This $111,700–$167,500 range sits above 35% of similar postings on FindRole.

Peer median band

$119,860–$190,847

Median floor and ceiling across peers.

Typical midpoint (25–75%)

$129,893–$181,978

Middle half of comparable postings.

Based on 240 comparable postings.

* 240 is the maximum number of comparable postings sampled.

Employer

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company providing systems in autonomous systems, cyber, C4ISR, space, strike, and logistics. Industry: Aerospace & Defense

Northrop Grumman currently has 173 open roles on FindRole.

Listed pay typically runs $113,900–$170,950 across 168 roles with salary data.

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