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Thermal Engineer- Principal / Senior Principal

Requisition ID: R10067808

  • Category IconCategory: Engineering
  • Location IconLocation: Annapolis, Maryland, United States of America
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: None
  • Telecommute IconTelecommute: No- Teleworking not available for this position
  • Shift IconShift: 1st Shift (United States of America)
  • Travel IconTravel Required: Yes, 10% of the Time
  • Positions IconPositions Available: 1

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.

Essential Functions:


Perform thermal analysis of electronics, cooling systems, and fluid systems considering conduction, convection, and radiation.  Design thermal management systems including, refrigerant-based cooling systems, closed-loop fluid systems, and closed loop ventilation systems.  Design and perform tests to validate or troubleshoot thermal performance.  Experience with analysis tools such as Matlab, MathCAD, and thermal analysis tools such as IcePak, CFDesign, Simcenter Flow/Thermal, and ANSYS/APDL is highly desirable.   Experience with undersea vehicle and system design is highly desirable.  Successful candidate will be expected to provide technical leadership to the department in all areas of thermal analysis.


The candidate must be able to collaborate in a team environment, prioritize and adjust tasks to accomplish the project result, prioritize multiple responsibilities and/or accomplishing them simultaneously, and comprehend and analyze complex problems and develop solutions. Excellent verbal and written communication skills are required.

Basic Qualifications for a Principal Mechanical Engineer (Thermal):

  • BS degree in Engineering (Mechanical, Aerospace. or equivalent STEM) and a minimum of 5 years of experience in thermal analysis or MS degree with 3 years of experience
  • Proficiency with thermal analysis tools and thermal loads calculations
  • Proficiency in using common engineering design, production, analysis, and office tools.
  • US citizen and ability to obtain clearance

Basic Qualifications for a Senior Principal Mechanical Engineer (Thermal):

  • BS degree in Engineering (Mechanical, Aerospace, or equivalent STEM) and a minimum of 9 years of experience in thermal analysis or MS degree with 7 years of experience
  • Proficiency with thermal analysis tools and thermal loads calculations
  • Proficiency in using common engineering design, production, analysis, and office tools.
  • US citizen and ability to obtain clearance

Preferred Qualifications:

  • Able to work in a fast-paced environment where multiple projects are being developed and deployed simultaneously
  • Demonstrated skills/experience in the following multi-disciplined areas: pump and piping analysis and system design, manufacturing techniques, and integration and test.
  • Active TS/SCI clearance

Salary Range: $96,900 USD - $145,300 USD
Salary Range 2: $120,000 USD - $180,000 USD

Employees may be eligible for 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 health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042 https://www.saferfederalworkforce.gov/contractors/.

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.



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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.


Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.