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Salary
$98k – $148k per year
Location
In office (Roy)
Seniority
Principal · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 3, 2026. Northrop Grumman scores B on the Alion truth index.

Overview
Company
Impact
Profile match
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.

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.

Northrop Grumman Defense Systems is seeking to hire a Principal Systems Engineer - Support Systems Integration (Level 3) to join its team. This position is in Roy, UT in support of the Sentinel Program. Northrop Grumman supports the Air Force’s sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure.

What you will get to do:

The selected candidate will be asked to:

  • Develop systems engineering interface products for the Support & Training Segments Integration Team, including Interface Control Models (ICMs) and Interface Control Documents (ICDs)
  • Identify interfaces for the Support & Training Segments using Model-Based Systems Engineering (MBSE) best practices
  • Integrate design and systems engineering across multiple teams and products to ensure the supportability and maintainability of a complex system-of-systems
  • Perform technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for Support Equipment
  • Work with Design, Integrated Logistics Support, Specialty Engineering, and project management in development of Support Equipment for mission operational system on the Sentinel program to apply concepts and practices to Support Equipment
  • Analysis and perform Model Based System Engineering (MBSE) for Support Equipment Architecture development
  • Perform analyses at all levels of product lifecycle to include concept, design, fabrication, test, installation, operation, maintenance and disposal
  • Ensure the logical and systematic conversion of customer or product requirements as applicable to support equipment and total systems solutions that acknowledge technical, schedule, and cost constraints
  • Perform functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into support equipment specifications using DOORS

As a full-time employee of Northrop Grumman, you are eligible for our robust benefits package including:

- Medical, Dental & Vision coverage

- 401k

- Educational Assistance

- Life Insurance

- Employee Assistance Programs & Work/Life Solutions

- Paid Time Off

- Health & Wellness Resources

- Employee Discounts

This position’s standard work schedule is 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off.

BASIC QUALIFICATIONS:

Principal Systems Engineer (level 3):

  • 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, 1 year of experience with PhD
  • Must be a US Citizen with an active DoD Secret Clearance investigated within the past 6 years.
  • 1 year experience with developing interface requirements, models, and/or interface control documents (ICDs)
  • 1 year of experience in Model Based System Engineering (MBSE) Tools (Cameo, Magic Draw, Rhapsody or similar)
  • 1 year of experience with Requirements management tools (DOORS, for example)
  • 1 year of experience with CPLM and Siemens NX

PREFERRED QUALIFICATIONS:

  • Understanding of systems thinking and systems engineering processes, including SE experience across multiple levels of integration
  • 2 or more years of experience with developing interface requirements, models, and/or interface control documents (ICDs)
  • 2 or more years in Model Based System Engineering (MBSE) Tools (Cameo, Magic Draw, Rhapsody or similar)
  • 2 or more years with Requirements management tools (DOORS, for example)
  • 2 or more years with Siemens NX
  • Experience with aerospace/defense maintenance/logistics, design, analysis, test, or configuration management
  • Demonstrated ability to think critically and communicate effectively

#SentinelSystems

Primary Level Salary Range: $98,400.00 - $147,600.00The 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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