Jobs and Careers
JO

Principal Mechanical Engineer (onsite)

Johnson Controls
JCI Advanced Dev & Eng Center, United States, United Statesfull_timeVerifiedPosted 20 Jan 2026

About the role

Build your best future with the Johnson Controls team!

What we offer

  • Competitive salary

  • Paid vacation/holidays/sick time

  • Comprehensive benefits package including 401K, pension, medical, dental, and vision care

  • On the job/cross training opportunities

  • Encouraging and collaborative team environment

  • Dedication to safety through our Zero Harm policy

What you will do

JCI is a global leader in air-cooled chillers and heat pumps, not only because the sophisticated technology and design on our products, but also because JCI’s dedication to a more balanced environment. We are owning the industry in adopting low Global Warming Potential (GWP) refrigerant and developing next generation air cooled heat pumps for global markets. If you join us, you will find your job both exciting and meaningful.

Johnson Controls is hiring! We would like YOU to be part of a global product engineering team! The Principal Mechanical Engineer will work under the Engineering Manager to support design and development of new products, and sustain existing products in North America. This is an onsite position based in New Freedom, PA. Candidates must be commuting distance to the office, or open to relocate.

Join a dynamic and diverse global engineering team where you'll have opportunities to collaborate with bright minds located in North America, Asia, and Europe. You will also be exposed to a large portfolio of air-cooled chiller products and will be able to develop expertise beyond scroll products!

How you will do it

  • Maintains understanding of theories, concepts, technical principles, and processes related to fluid, thermal, and other mechanical aspects of air-cooled scroll products

  • Has proficiency in mechanical design and be able to conceptualize and implement design ideas into the product through engineering change processes

  • Implements test programs to validate performance and reliability of mechanical systems and components

  • Working with plant engineers to support production of products and resolve manufacturing issues.

  • Analyzes, designs, modifies and/or troubleshoots mechanical sub-components and sub-systems based on test data Works closely with the design and manufacturing teams to develop and implement VAVE projects

  • Applies mechanical codes such as UL, CE, PED and ASME

  • Crafts and reviews technical documentation for use within the organization  

  • Provides product technical support to application and field service organizations

  • Share your knowledge and experience and mentor others in the team

What we look for

  • BS in Mechanical Engineering

  • 7+ years of experience in a related field, refrigeration experience

  • Excellent verbal and written communication skills with internal and external audiences

  • Proficient with prioritizing and processing large amounts of data, summarize findings, develop conclusions and recommendation

  • Experience with product development, project management, and sustaining of configurable systems

  • Ability to learn quickly and share knowledge, experience and lesson learnt with teammates

#LI-AD2

#LI-Onsite

Johnson Controls International plc. is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, genetic information, sexual orientation, gender identity, status as a qualified individual with a disability or any other characteristic protected by law. To view more information about your equal opportunity and non-discrimination rights as a candidate, visit EEO is the Law. If you are an individual with a disability and you require an accommodation during the application process, please visit here.

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Johnson Controls

View company profile →