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Location
In office (United States)
Seniority
Staff · 9+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 7, 2026. First seen by Alion on Nov 6, 2026. Northrop Grumman scores B on the Alion truth index.

Overview
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Northrop Grumman is an American defence contractor whose oldest predecessor was founded in 1939, and which took its present form through the 1994 combination of Northrop and Grumman. It builds strategic systems including the B-21 Raider bomber and the Sentinel intercontinental ballistic missile programme, military and civil space systems, radars and electronic warfare equipment, autonomous aircraft, and mission systems and software for the United States armed forces and allied governments. Headquartered in Falls Church, Virginia and listed on the New York Stock Exchange, it earns the large majority of its revenue from the American government and employs close to one hundred thousand people.
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Principal Network Engineer - Level 3 to join our team of qualified, diverse individuals. This position will be at Schriever Space Force Base (SSFB) in Colorado Springs, CO.

Position Overview:

The TASD contract is seeking a Principal Network Engineer - Level 3 to configure, maintain, patch, STIG, troubleshoot and install network related hardware to include devices such as HP Aruba Network Switches. The successful candidate will also provide support for engineering new networking solutions for the network. This position will involve working with the Cyber Security team performing STIG checks, addressing deficiencies, remediating findings and hardening systems.

Essential Functions:

  • Evaluate system and network configurations for compliance with DISA STIGs
  • Implement advanced network security hardening techniques, including Out-of-Band Management (OOBM) isolation, Virtual Routing and Forwarding (VRF) segmentation, and Control-Plane Policing (CoPP).
  • Prioritize and execute tasks and enjoy working in a collaborative team environment.
  • Create and work within schedules and timelines.

Basic Qualifications:

  • Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 5 years of related experience or a Master’s degree in STEM and 3 years of related experience, or 1 year with a PhD.; or 9 years of relevant work experience may be considered as an alternative to a degree.
  • Experience configuring/maintaining Networking Hardware (ex: Switch, Router, Firewall, etc....)
  • Experience with network automation tools (Ansible)
  • Applicants must have a current active Security+ Certification with Continuing Education (CE) or equivalent certification under DoD 8570.01-M
  • Applicants must have the ability to lift at least 35 lbs. periodically throughout the day Ability and willingness to travel up-to 10% to support business needs.
  • Applicants must have a current active in-scope U.S. Government issued Secret security clearance at the time of application, which is required to start.

Preferred Qualifications:

  • Experience with DoD STIGs
  • Experience with network simulation tools (GNS3, EVE-NG)
  • Experience with Aruba CX OS
  • Experience with hardware-based Firewalls
  • Experience in Virtualization technology (VMWare)
  • Experience working with vendors to expedite installations and repairs to ensure maximum up time
  • Knowledge of Infrastructure as Code (IaC) principles Familiarity with Agile, SAFe, DevSecOps concepts

#SPEnhancedERAP

Primary Level Salary Range: $94,200.00 - $141,200.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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