Senior Principal Engineer – Aerothermal Fluids (Hybrid)
RTXAbout the role
Date Posted:
2025-06-19Country:
United States of AmericaLocation:
01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USAPosition Role Type:
HybridU.S. Citizen, U.S. Person, or Immigration Status Requirements:
This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62Security Clearance:
None/Not RequiredCollins Aerospace is looking for a Senior Principal Engineer to lead thermal fluid design for our Engine Control Systems (ECS) powering the next generation of aircraft.
In this high-impact role, you'll shape the performance of systems like pumps, valves, and controls that keep engines running efficiently. You'll work alongside a top-tier engineering team and have a direct line to customers, suppliers, and product leadership.
What You Will Do
Lead steady-state and transient thermal analyses on pumps, valves, electronics, heat exchangers, and more, using both analytical models and real-world test data
Plan, estimate, and execute complex aerodynamic and thermal designs across multiple aircraft programs
Analyze and improve systems such as Engine Bleed Air, Environmental Control, Air Distribution, Liquid & Vapor Cycle, and Inerting Systems
Develop and validate design changes based on heat transfer and fluid dynamics considerations
Document methods, results, processes, and procedures clearly and formally
Coach, delegate, and review work across a team of engineers
Communicate across disciplines and with customers, influencing design decisions and driving strategic direction
Contribute to new technologies, product strategies, and engineering standards that support long-term business goals
Qualifications You Must Have
Requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience
Qualifications We Prefer
M.S. in Mechanical or Aerospace Engineering
Hands-on experience with Star CCM+ or similar CFD/thermal simulation tools
Experience guiding product development from concept through qualification
Strong technical expertise in thermal fluids, aerodynamics, and heat transfer, and experience performing Computational Fluid Dynamics (CFD) analysis
Demonstrated ability to work effectively across cross-functional teams
Exceptional communication, collaboration, and influencing skills at all organizational levels
Proven experience leading engineering efforts in complex aerospace systems
What We Offer
Some of our competitive benefits packages include:
· Medical, dental, and vision insurance
· Three weeks of vacation for newly hired employees
· Generous 401(k) plan that includes employer m
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