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# Principal Thermal Systems Product Engineer (onsite)

- **Company:** Johnson Controls
- **Location:** New Freedom, PA, United States
- **Experience:** Experienced
- **Salary:** $100,000.0 - $130,000.0
- **Contract:** Permanent contract
- **Skills:** Computer-Aided Design, Abaqus, Computational Fluid Dynamics, SolidWorks (CAD), Data Centers, Failure Mode Effects Analysis, MATLAB, Mathcad, PID Controllers, SAP (Applications), Scripting, Virtual Environment, Creo, Star CCM+, Ansys
- **Published:** October 2, 2026
- **Apply:** https://www.dice.com/job-detail/fcea18db-3597-4138-8c2d-f7b6f7dc10ca

## About the Role

* Minimum Bachelor's degree in Mechanical Engineering, or similar discipline
 * CAD proficiency (SolidWorks, Creo, or equivalent)
 * Engineering calculations and documentation (MathCAD, EES, or equivalent)
 * 4+ years of professional experience with heat transfer analysis (conduction, convection, two-phase), thermodynamic cycle analysis, fluid mechanics, hydraulic system design, and thermal system component sizing and selection
 * 4+ years of experience within the commercial HVAC industry; preferably chillers
 * 4+ years experience with released thermal products or systems

Preferred

 * 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)

## Description

* Plan and execute complex thermal product development projects and product releases; own full thermal system designs from concept through production launches and manage engineering changes in SAP across global factories
 * Serve as the primary technical interface between research/advanced development teams and design engineering, translating research findings into actionable product development plans
 * Work closely with the design and manufacturing teams in generating layout concepts and system configurations that consider the best balance of cost, performance, and reliability
 * Define specifications for complete thermal systems including multi-domain requirements (thermal, controls, electrical) and manufacturing constraints
 * Own PDP deliverables (DFMEA, PFMEA, Control Plans) and lead validation test programs
 * Lead process improvement initiatives across thermal product development domains
 * May supervise a team of 2-5 engineers plus technicians on thermal system product development projects
 * Resolve escalated production and field issues through root cause and corrective action
 * Secure and maintain agency approvals (UL, CE/PED, ASME, and regional standards)