What you will do Johnson Controls' Data Center Product Architecture team is seeking a Principal Data Center Thermal Systems Engineer for the Advanced Technology & Innovation group. You will be a technical leader for thermal projects and teams within Data Center Thermal Solutions. You'll work independently to develop comprehensive thermal system solutions, coordinate multi-domain integration, and lead process improvement initiatives. You will be a recognized expert in one or more thermal domains with strong cross-domain knowledge essential for integrated system development. This position is based onsite, minimum 3 days per week, at our Advanced Technology and Innovation Center located in New Freedom, PA. Candidates must be commuting distance to the facility or able to relocate.
How you will do it - Plan and execute complex thermal projects and product releases; complete full thermal system designs
- Integrate subsystems into complete thermal solutions; coordinate across cooling loops, controls, and heat rejection
- Define specifications for complete thermal systems including multi-domain requirements (thermal, controls, electrical)
- Lead process improvement initiatives across thermal domains
- May lead a team of 2-5 engineers plus technicians on thermal system projects
- Present status and strategy information across departments; mentor Engineer II and Senior Engineers
What you will needRequired - Bachelor's degree in Mechanical Engineering
- 7 years experience with released thermal products or systems
- Chiller industry experience, or large industrial HVAC industry experience
- Microsoft 365/Excel (including basic macros/VBA for data analysis and reporting)
- CAD proficiency (SolidWorks, Creo, or equivalent)
- Engineering calculations and documentation (MathCAD, EES, or equivalent)
- Heat transfer analysis (conduction, convection, two-phase)
- Strong cross-domain knowledge across thermal, controls, electrical systems-generalists with 80% mastery across domains highly valued
- Thermodynamic cycle analysis
- Fluid mechanics and hydraulic system design
- Thermal system component sizing and selection
- Prototype fabrication and hands-on testing
- Cross-functional project execution
Preferred- Software/Simulation experience
- 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 controls
- Controls 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)
- Expert in one or more thermal domains (CDU, chiller, dry cooler, cold plate systems)
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.
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