← Search all jobs

Sr. Principal Research Scientist - 4

Northrop Grumman

Listing collected from Northrop Grumman's career site. NextChapter is independent of Northrop Grumman.

Corinne, UT · Posted October 28, 2026

Just laid off? Start here: a plan for the first weeks

See every open role at Northrop Grumman

More in Utah job market · Aerospace & Defense · Research jobs

More roles at Northrop Grumman

Similar jobs

How AI is used in this kind of work

AI use among medical scientists, except epidemiologists is little observed so far. Measured exposure for medical scientists, except epidemiologists: 4% (little observed).

Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.

Check how this applies to your own job

Skills this job asks for

Say which you have and which you want to build. We use it to match you to jobs like this one.

  • Python
  • Budgeting
  • Matlab

About the job

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: None

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.

Expand your horizons, advance your career, and contribute to a secure future for generations. Northrop Grumman’s Space Sector invites you to bring your pioneering spirit to our collaborative teams. As a Sr. Principal Research Scientist - 4 located in Promontory, UT, you’ll be a linchpin in missions of paramount importance, defining the art of the possible from day one.

An insulation & liner scientist uses their polymer, chemistry, and engineering experience to solve complex engineering challenges with solutions that improve performance, reliability, and lifecycle costs. They support rocket manufacturing production by managing material obsolescence, addressing supplier changes, and qualifying new materials and processes. They are the principal investigators and contributors for research, development, and test efforts involving materials and processes necessary for rubber production, processing, and post processing activities.

This position will work a 9/80 schedule, with every other Friday off or the 4/10 schedule with every Friday off.

Job responsibilities include, but are not limited to, the following:

Subject Matter Expert (SME) with design ownership of rubber specifications

Support the research and development of new rubber and liner formulations

Manage formulation component changes due to obsolescence, supplier changes, processing changes

Author engineering test plans, define test objectives, write detailed planning to direct test efforts, provide oversight for test activities, and prepare test reports

Perform tasks within assigned budgets, and schedules coordinating with program managers, IR&D leadership, project engineers, and others in Propulsion Systems

Present data and recommendations to internal and external customers

Support both near-term production needs and long-term growth efforts

Grow and develop technical knowledge and depth within the group

Why you? You’re the candidate we’re searching for if you are ready to achieve the impossible alongside like-minded innovators.

Basic Qualifications:

Bachelor’s degree in Chemistry, Chemical Engineering, Material Science or Polymer Science with 8 years of professional experience – OR – Master’s degree with 6 years of professional experience – OR – PhD with 4 years of professional experience

Knowledge of solid rocket motor production, including related manufacturing processes

Professional experience with polymers, viscoelastic materials, and polymer formulation development

Experience with applying rheology to characterize polymeric materials

Prior experience guiding and mentoring junior scientists

Must have the ability to obtain and maintain a U.S. Government DoD Secret security clearance

U.S. Citizenship is required at the time of application

Preferred Qualifications:

Ph.D. in Polymer Science, Chemical Engineering, Materials Science, or Chemistry with 4 years of professional experience

Professional experience with polymers or elastomeric thermal insulation necessary for diagnostic, development, qualification efforts

Prior experience in elastomeric insulation or solid rocket motor component development and qualification efforts

Professional experience with additive manufacturing

Proven leadership qualities and strong interpersonal skills

Experience with proposals and budgeting for new projects

Familiarity with polymer science, polymer formulations, testing techniques related to polymers and composites including rheology, GPC, NMR, DSC, DMA

Programming experience in Python, MATLAB, or similar

Curious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below:

https://www.northropgrumman.com/space

Working at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site.

#UtahSpace #SpaceEngJobs #SpaceSysEngJobs

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.