Principal Network Engineer, Secret Clearance – Level 3

Northrop Grumman; United States; On-site; USD 94,000 - 141,000; Full time

Job summary

Northrop Grumman is seeking a Principal Network Engineer – Level 3 for the Schriever Space Force Base (Colorado Springs, CO) to configure, maintain, and harden networks and to support new networking solutions in a DoD environment.

The role involves collaborating with the Cyber Security team on STIG checks, remediation, and security enhancements while ensuring system integrity and uptime in a critical mission setting.

Qualifications

• Bachelor’s Degree in STEM with 5+ years of related experience.
• Master’s degree in STEM with 3 years of related experience.
• PhD; or 9 years of related experience as an alternative to a degree.
• Experience configuring/maintaining Networking Hardware (Switches/Routers/Firewalls).
• Experience with network automation tools (Ansible).
• Active Security+ CE or equivalent DoD 8570-01-M certification.

Responsibilities

• Evaluate system and network configurations for DISA STIG compliance.
• Implement advanced network security hardening techniques (OOBM isolation, VRF, CoPP).
• Prioritize and execute tasks; work in a collaborative team; create schedules and timelines.

Skills

Network security

Troubleshooting

Education

Bachelor’s Degree in STEM

Master’s Degree in STEM

PhD considered

Security+ Certification

Tools

Ansible

GNS3

EVE-NG

Aruba CX OS

VMware

Job description

Northrop Grumman is seeking a Principal Network Engineer – Level 3 for the Schriever Space Force Base (Colorado Springs, CO) to configure, maintain, and harden networks and to support new networking solutions in a DoD environment.

The role involves collaborating with the Cyber Security team on STIG checks, remediation, and security enhancements while ensuring system integrity and uptime in a critical mission setting.