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Principal / Sr. Principal Thermal Engineer

Requisition ID: R10075782

  • Category IconCategory: Engineering
  • Location IconLocation: Baltimore, Maryland, United States of America
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: None
  • Telecommute IconTelecommute: Yes-May consider hybrid teleworking 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.

Northrop Grumman Mission Systems is seeking a Thermal Mechanical Engineer to join its Thermal Analysis team within the Hardware Organization. The Thermal Engineer will conduct thermal analysis and design of avionics and space electronics with an emphasis on design improvement. The engineer will be responsible for the entire system, sub-system, including microelectronics component level design and analysis.

Responsibilities include:

Conduct advanced thermal management using heat transfer principles to meet the optimal thermal performance.  

Perform thermal analysis that require experience in heat transfer, including liquid cooled, air-cooled, two-phase flow, cryogenic cooling and refrigeration thermal control for different platform systems such as airborne, space, ground base and naval.

Provide oral and written presentations to internal and external customers as well as mentor less experienced thermal engineers.

This is a Dual level position and candidates will be considered at both levels based on the requirements listed below.

Basic Qualifications for a Principal:

  • Bachelor of Science in Mechanical Engineering or Aerospace Engineering with 5 years of related experience or 3 years with a Master Degree in Mechanical Engineering or Aerospace Engineering.
  • Thermal engineering experience, to include experience in heat transfer, liquid cooled, air-cooled, and thermal control systems for different platform systems.
  • Excellent interpersonal and communication skills
  • Be able to be effective in a team environment
  • Strong hands-on work ethic
  • Ability to obtain a Secret Clearance, U.S. Citizenship is a pre-requisite

Basic Qualifications for a Senior Principal:

  • Bachelor of Science in Mechanical Engineering or Aerospace Engineering with 7 years of related experience or 4 years with a Master Degree in Mechanical Engineering or Aerospace Engineering.
  • Thermal engineering experience, to include experience in heat transfer, liquid cooled, air-cooled, and thermal control systems for different platform systems and refrigeration systems.
  • Excellent interpersonal and communication skills
  • Be able to be effective in a team environment
  • Strong hands-on work ethic
  • Ability to obtain a Secret Clearance, U.S. Citizenship is a pre-requisite

    Preferred Qualifications: 
  • Master’s degree in Mechanical Engineering or Master’s degree in Aerospace Engineering with concentration in Heat Transfer and Fluid Dynamics
  • Knowledge of thermal management techniques such as Finite Volume Analysis, Finite Element Analysis and Computational Fluid Dynamics.
  • Prior avionics experience in thermal management design.


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 www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.

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Salary Range: $90,600 USD - $136,000 USD
Salary Range 2: $112,300 USD - $168,500 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.