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New Freedom-Pennsylvania-United States of America, United States of America
Onsite
About Johnson Controls
Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.
For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.
Visit johnsoncontrols.com for more information and follow @Johnsoncontrols on social platforms.
What you will do
Shape the future of data center cooling! Are you passionate about solving complex thermal challenges and developing cutting-edge cooling technologies? Join our team as a Thermal Systems Engineer and play a key role in designing innovative thermal solutions that power the next generation of data centers.
As a Principal Thermal Systems Engineer at Johnson Controls, you will play a pivotal role in bridging advanced research and commercial product development, transforming analytical insights and emerging technologies into market-ready thermal solutions. Serving as the technical lead for thermal product development initiatives within our Data Center Thermal Solutions business, you will drive complex projects from concept through execution while providing technical leadership across cross-functional teams.
In this role, you will independently develop comprehensive thermal system solutions, lead multi-domain integration efforts, and champion continuous improvement initiatives. As a recognized expert in one or more thermal engineering disciplines, you will leverage broad cross-domain knowledge to ensure the successful development of integrated, high-performance products.
A key responsibility of this position is translating research and advanced development outcomes into scalable product architectures, technical requirements, and specifications that engineering teams can execute. You will help ensure innovative thermal technologies are successfully transformed into manufacturable, reliable, and field-deployable solutions that meet the evolving needs of the data center industry.
This position is based on-site at our Advanced Development & Engineering Innovation Center in New Freedom, Pennsylvania. Candidates must reside within commuting distance or be willing to relocate. Johnson Controls offers a variety of relocation assistance packages for qualified candidates.
How you will do it
Plan and execute complex thermal product development projects and product releases; own full thermal system designs from concept through production
Serve as the primary technical interface between research/advanced development teams and product design engineering, translating research findings into actionable product development plans
Integrate subsystems into complete thermal product solutions; coordinate across cooling loops, controls, and heat rejection with focus on producibility and system-level performance
Define specifications for complete thermal systems including multi-domain requirements (thermal, controls, electrical) and manufacturing constraints
Lead process improvement initiatives across thermal product development domains
Present status and strategy information across departments
Mentor engineers
What you will need
Required
Bachelor of Science in Mechanical Engineering
7+ years experience with released thermal products or systems
Expert in one or more thermal domains (CDU, chiller, dry cooler, cold plate systems)
Demonstrated track record of converting research or advanced development concepts into production-released products
Cross-domain knowledge across thermal, controls, electrical systems; proficiency across multiple domains valued over deep expertise in only one
Heat transfer analysis (conduction, convection, two-phase)
Thermodynamic cycle analysis
Fluid mechanics and hydraulic system design
Thermal system component sizing and selection
CAD proficiency (SolidWorks, Creo, or equivalent)
Engineering calculations and documentation (MathCAD, EES, or equivalent)
Preferred
Master of Science or PE Python scripting and environment management (package installation, virtual environments, basic automation)
CFD (ANSYS Fluent, Star-CCM+, OpenFOAM, or equivalent)
FEA (ANSYS Mechanical, Abaqus, or equivalent)
MATLAB/Simulink for system modeling and controlsControls fundamentals (feedback loops, PID tuning, system response)
Electrical systems basics (motor sizing, VFDs, power distribution)
Refrigeration system design and refrigerant properties
Data center cooling architectures (direct liquid cooling, rear-door heat exchangers, CDUs)
HIRING SALARY RANGE: $110,000 - $140,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This role offers a competitive Bonus plan that will take into account individual, group, and corporate performance. This position includes a competitive benefits package. The posted salary range reflects the target compensation for this role. However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers. For details, please visit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-us
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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.