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Northrop Grumman

Sr. Principal Systems Engineer

Roy, UT, United States

Primary Level Salary Range: $122,800.00 - $184,200.00

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Job details

Pay: Primary Level Salary Range: $122,800.00 - $184,200.00
Posting language: English
Posted: Jul 15, 2026

Original job description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Top 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'll Get To Do:

Northrop Grumman Defense Systems is seeking a Sr. Principal Systems Engineer in Roy, Utah to work a restricted effort as part of the flight systems futures operating unit. This group focuses on technologies for advancing current systems. We focus on advanced payloads and hypersonic re-entry vehicle

This role will have the following responsibilities:

Contribute to the definition and evolution of system architecture using Model Based Systems Engineering (MBSE) tools (e.g., IBM Rhapsody, Cameo Systems Modeler).
Generate, allocate, and trace requirements across the system hierarchy; develop verification methodologies that meet NG and DoD standards.
Author requirement sets and produce Interface Control Documents (ICDs) that precisely define internal and external system interfaces.
Create and coordinate customer deliverables (technical reports, trade studies, compliance matrices) for program reviews and external stakeholders.
Participate in lab based demonstrations and hardware in the loop (HIL) testing to validate system behavior against requirements.
Lead cross functional reviews (design, trade, verification) and ensure compliance with engineering processes (CMMI, DO178C, MISRAC, NQA1).
Mentor junior engineers and foster best practices in requirements management, verification planning, and MBSE modeling.

Basic Qualifications:

Bachelor's degree in Systems, Software, or related STEM degree field with 8 years of experience; or 6 years experience with a Master's (MS) degree; or 4 years experience with a STEM PhD
Must be a US Citizen with a current/active US Government Top Secret clearance at time of application, current and within scope, renewed or initiated 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
3+ years experience to include full lifecycle work (concept, development, verification, sustainment), SysML based MBSE tools (IBM Rhapsody, Cameo, SysML v2) and the ability to develop and maintain system models.
3+ experience in writing, managing, and tracing complex requirements (e.g., using DOORS, Jama, or Polarion), defining verification plans, test procedures, executing system level verification activities, and creating and governing ICDs for hardware, software, and external system interfaces.
Strong written and verbal communication; ability to produce clear technical documentation and present to senior leadership and customers.

Preferred Qualifications:

Hands on experience conducting lab based hardware demonstrations and integrating system models with test rigs.
Direct exposure to Nuclear Surety and Nuclear Safety systems (e.g., NQA1, DOE safety standards).
Familiarity with model based test generation and automated test frameworks.
Familiarity with Northrop Grumman engineering standards (CMMI, DO178C, MILSTD498, NQA1) and safety critical development practices.
Basic proficiency in Python or MATLAB for data analysis and test automation (not a primary development role).
Professional certifications (e.g., INCOSE Certified Systems Engineering Professional, Certified MBSE

Position Benefits:

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

#Sentinelsystems

Primary Level Salary Range: $122,800.00 - $184,200.00

The 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.

Job Category: Engineering

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