Sr. Principal Systems Engineer - 18518*
Quick Summary
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.
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.
Responsibilities
~1 min readNorthrop 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
- →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.
Requirements
~2 min read- 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.
- 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
What We Offer
~2 min readAs 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
Location & Eligibility
About this job
- Posted
- 7 days ago
Listing Details
- First seen
- October 8, 2026
- Last seen
- October 15, 2026
Posting Health
- Days active
- 6
- Repost count
- 0
- Trust Level
- 28%
- Scored at
- October 15, 2026
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