Principal Cyber Systems Engineer – Network Security Engineer III (26-212)

Northrop Grumman

Actively hiring
Colorado Springs, CO Posted 28 days ago $113,900–$170,900 / year
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At a glance

AI generated

TL;DR

As a Principal Cyber Systems Engineer – Network Security Engineer III at Northrop Grumman Space Systems’ Missile Defense Integration team in Colorado Springs, CO, you will play a crucial role in supporting the C2BMC program by ensuring compliance with DoD RMF standards through documentation and validation. Your daily tasks include developing secure network device configurations, deploying and testing upgrades to operational sites, conducting independent research on networking and security topics, and producing detailed reports. You must be proficient in technologies such as Juniper, Cisco, Palo Alto firewalls, VLANs, TCP/IP, and UDP multicast, and possess a current DoD 8140 certification at IAT Level II or higher. This position requires hands-on experience with multi-vendor switching and routing, STIG compliance, and VMware ESXi hardening, as well as strong communication skills for collaborating across teams and presenting findings to leadership.

Skills

DoDI 8510.01 IAT Level II OSI Model TCP/IP VLANs UDP Multicast Juniper Cisco Palo Alto ACL design STIG compliance NIST CVE framework VMware ESXi Python Ansible PowerShell JUNOS

What you'll do

  • Develop cyber-secure network device configurations for firewalls, switches, and routers.
  • Plan, deploy, integrate, and test upgrades to the C2BMC network at operational sites.
  • Conduct independent research on networking and security topics and produce detailed reports.
  • Ensure team’s devices are STIG-compliant and hardened appropriately according to DoD standards.
  • Assist with real-world events, including nights and weekends, as required.

What we're looking for

  • Bachelor’s Degree in STEM field or equivalent work experience required
  • Active DoD 8140 certification at IAT Level II or higher
  • Proven experience developing cyber-secure network device configurations
  • Understanding of OSI Model, TCP/IP, VLANs, and UDP Multicast
  • Hands-on experience with multi-vendor switching and routing (Juniper, Cisco)
  • Knowledge of firewall configuration for Juniper, Cisco, and Palo Alto
  • Familiarity with NIST CVE framework and virtualization experience

Market check

Salary context

This $113,900–$170,900 range sits above 35% of similar postings on FindRole.

Peer median band

$111,850–$198,000

Median floor and ceiling across peers.

Typical midpoint (25–75%)

$137,487–$184,325

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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