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Sentinel - Principal​/Sr. Principal Systems Engineer - R10228182-4

Job in Bellevue, Sarpy County, Nebraska, 68123, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-04-20
Job specializations:
  • Engineering
    Systems Engineer, Electrical Engineering, Cybersecurity, Aerospace / Aviation / Avionics
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Sentinel - Principal/Sr. Principal Systems Engineer - 16820* - R10228182-4

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: 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.

Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible.

With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.

What You Will Get To Do

The selected Nuclear Surety Systems Engineer can get in on the ground floor of a system designed to provide another 50 years of security for this great nation. Nuclear Surety ensures that nuclear weapons are always protected against peacetime and wartime threats. A Nuclear Surety Systems Engineer at Northrop Grumman on the Sentinel program will be provided with the opportunity to:

  • Performing decomposition of Department of Defense safety manuals into requirements and allocating them to design teams for implementation
  • Provide systems engineering expertise to the design, integration, and testing of a next generation ICBM weapon system
  • Participate in technical planning, system integration, verification, validation, cost, risk, supportability, and analysis for mechanical, electrical, and integrated systems
  • Evaluate the physical security design based on the Department of Defense Safety manuals
  • Interface directly with various compartments of the Department of Defense and Department of Energy to ensure safe design and operation of nuclear weapon systems
  • Use model based engineering tools on a major weapon system to pioneer a new way to evaluate and analyze modern design
  • Learn a niche discipline that spans all aspects of Nuclear Power and Munitions

This position may be hired at the Principal Systems Engineer or Sr. Principal Systems Engineer levels depending upon applicant qualifications.

Basic Qualifications

Principal Systems Engineer:

  • Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline and 5 years of experience with Bachelor's degree, 3 years of experience with Master's degree, 0 years of experience with PhD
  • Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years
  • Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs
  • 1+ years of experience developing or reviewing requirements within DOORS or similar tool
  • 1+ year experience in ICBM (MMIII or Sentinel) OR complex aerospace/defense systems
  • 1+ year experience in team environments with leadership responsibilities
  • 1+ year experience creating, updating, and maintaining system performance documentation

Sr. Principal Systems Engineer

  • Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline and 8 years of experience with Bachelor's degree, 6 years of experience with Master's degree, 4 years of experience with PhD
  • Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years
  • Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs
  • 2+ years of experience with requirements management/analysis/allocations
  • 2+ years of experience with Model-Based Engineering / Model-Based Systems Engineering (MBE/MBSE) practices, languages and/or tools such as Cameo, Rhapsody or MagicDRAW
  • 2+ years of experience with one or more of the following:
    Command & Control (C2), physical security, cybersecurity, Nuclear Command, Control, and Communications (NC3) systems/processes, communications systems, facility design, military aerospace development (e.g. Sentinel, Minute Man III, B-2, B-21 delivery systems)
Preferred Qualifications
  • Self-driven, able to tackle challenges, solve problems with minimal oversight and make recommendations for…
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