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Sentinel Sr Principal Aerothermal Engineer

Job in Roy, Weber County, Utah, 84067, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-07-20
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Systems Engineer, Mechanical Engineer
Job Description & How to Apply Below
Position: Sentinel Sr Principal Aerothermal Engineer - 18239

Sr. Principal Aerothermal Engineer

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.

Northrop Grumman Defense Systems is seeking a Sr. Principal Aerothermal Engineer. This position is located in Roy, Utah and supports Advanced Programs. This role may offer a competitive relocation assistance package. This position is contingent upon award.

What You Will Get To Do:

The ideal candidate is a team player; but also, a strong independent contributor with strong leadership skills, demonstrated problem-solving skills, excellent communication skills, as well as interpersonal and organizational skills and a proactive, detail-oriented approach.

Primary responsibilities for this position include, but are not limited to:

  • Perform aerothermal modeling and analysis to predict heat loads, thermal response, and aerodynamic performance of high-speed missiles.
  • Develop, refine, and execute aerothermal simulations (e.g., CFD++, ANSYS or equivalent) for shock-dominated, high-temperature flows and boundary-layer transition, and interpret results to guide design.
  • Perform detailed thermal analysis of vehicle and thermal protection system (TPS) materials, accounting for conduction, convection, and radiation, and develop thermal control designs that meet system requirements.
  • Plan, support, and interpret aerothermal and thermal test activities (e.g., wind tunnel, arc-jet/plasma, subsystem and component-level thermal tests) and use results to validate and calibrate analytical models.
  • Collaborate with structures, materials, systems, propulsion, and test engineering teams to integrate aerothermal and TPS designs with overall vehicle architecture and to support multi-disciplinary design trade studies.
  • Develop and maintain aerothermal/thermal requirements, analysis documentation, design artifacts, and review/approve drawings for thermal and aerothermal hardware content.
  • Present analysis methods, results, and design recommendations to internal management, external customers, and at formal design reviews (SRR, PDR, CDR) to support technical decision making and risk reduction.
  • Work and execute independently with minimal technical oversight, exercising considerable latitude in determining technical objectives, while providing technical leadership and guidance within the propulsion supplier management team.
  • Ensure compliance with applicable DoD and program security requirements, including working in classified environments and handling sensitive data appropriately.
  • Provide technical input on the cost, schedule, and risk impacts of aerothermal and thermal design and test decisions to support planning during the Technology Maturation and Risk Reduction phase.

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.

    Basic Qualifications:

    • Sr. Principal Structural Engineer:
      Bachelors degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 8 years of relevant experience, OR a Masters degree and 6 years of relevant experience, OR a PhD and 4 years of relevant…
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