Sentinel - Sr Principal Systems Engineer - Modeling Simulation & Analysis
Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Nov 13, 2026. Northrop Grumman scores B on the Alion truth index.
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 Sr Principal Systems Engineer - Modeling, Simulation, and Analysis (MS&A) to join the team. This position will be located in Roy, UT and will support the Sentinel (GBSD) program in the Strategic Deterrent Systems (SDS) division.
Roles and Responsibilities
- Lead a diverse team of engineers on a variety of projects supporting Sentinel intercontinental ballistic missile (ICBM) weapon system accuracy
- Physics-based predictive modeling and simulation of ICBM accuracy performance
- Maturation of Sentinel accuracy error models
- Post flight estimation of Sentinel accuracy performance
- Estimation of accuracy error model parameters using ground and flight test data
- Validation & verification (V&V) of Sentinel accuracy error models
- Preparation of Sentinel accuracy reports
- Presentations of projects and studies to Northrop Grumman Sentinel leadership and USG customers
Basic Qualifications
- Must be a US Citizen with an active U.S. Government Secret Clearance , at time of application, current and within scope, with an investigation date within the last 6 years
- Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business need
- Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline with a minimum 8 years of related experience; Master's degree with 6 years; or a PhD with 4 years
- Must be able to support program tasks in a secure lab environment (on site) for a minimum of 90% of their total work time
- Demonstrated experience with physics-based mathematical modeling and simulation
- Experience with scientific computer programming (Python, C++/C#, SQL, MATLAB, R or similar)
- Experience with Agile Development Agile methodologies and tools (JIRA/Confluence)
- Experience working with Systems Engineering and Integration and Test (SEIT) processes
- Experience leading a diverse team of engineers at multiple levels
Preferred Qualifications
- Able to receive Special Access Program (SAP) approval and maintain it as determined by the company to meet its business need
- Experience modeling with Cameo Enterprise Architecture, MagicDraw (No Magic, Inc.) or other architecture modeling tools
- Experience with ICBM weapon system sustainment engineering and integration
- Experience managing requirements in DOORS
- Experience executing and boarding Risks, Issues & Opportunities
- Experience collaborating with multiple functional groups, subcontracts, and government customer representatives
- Proactive self-starter capable of identifying gaps and problems in/with processes and proposing and implementing solutions
- Strong oral and written communication skills, including demonstrated experience with high value customer presentations, with ability to focus on multiple projects with competing priorities
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
https://www.northropgrumman.com/who-we-are/total-rewards-benefits/
This position’s 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. This role may offer a competitive relocation assistance package.
Primary Level Salary Range: $122,800.00 - $184,200.00The 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.