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Sr. Principal Engineer Mechanical (Thermal & Cooling)

Northrop Grumman

Yesterday
Top Secret
Unspecified
Polygraph
Engineering - Mechanical
Beavercreek, OH (On-Site/Office)

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE TYPE: Polygraph

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.

Northrop Grumman Mission Systems is seeking a Mechanical Engineer in Beavercreek, OH (Dayton) to support system packaging design and thermal analysis. We are seeking engineers with the desire to learn new technologies to join our innovative organization to help develop, enhance and maintain complex designs on cutting edge products and systems. At Northrop Grumman, you will have a challenging and rewarding opportunity to be a part of evolving how we deliver critical national defense products and capabilities. Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation. The selected individual will work on designs across the full product life cycle process.

Are you seeking a challenging role with a strong team? Come define possible with us in Beavercreek, OH!

This position is Full time on site in Beavercreek, OH

Duties include:
  • Mechanical Design including 3D Model of chassis, covers, digital and RF printed wiring board assemblies, heat sinks, internal and external cabling.
  • Create all mechanical drawings (component, printed wiring board assembly, sub-assembly and final assembly drawings and parts lists).
  • Interface with vendors and fabricators to ensure deliverables meet mechanical requirements .
  • Convection and Direct Liquid Cooling design and analysis


Basic Qualifications for Sr. Principal Mechanical Engineer:
  • Bachelor of Science (BS) degree in science, technology, engineering, or related discipline with at least 8 years of experience; 6 years with Masters Degree; OR 4 years with a PhD
  • Current Experience with a 3D modeling tool
  • Knowledge of Finite Element Analysis and Computational Fluid Dynamics to solve thermal problems
  • Must be a US Citizen
  • Clearance: Candidate must be able to obtain and maintain the necessary US Government security clearance per customer requirements


Preferred Qualifications:
  • Experience with liquid cooled designs
  • Active Top Secret / SCI Security Clearance
  • Experience with the following applications: SolidWorks, AutoCAD, Ansys Icepak
  • Experience taking multiple designs from concept through fabrication
  • Experience designing for, maintaining, and operating 3D printers


Primary Level Salary Range: $124,900.00 - $187,300.00

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.
group id: 10122071

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About Us
Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day using science, technology and engineering to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines. © 2025 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.
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Clearance Level
Top Secret