Senior Data Center Thermal Modeling Engineer

Johnson Controls; Glendale (CA); On-site; USD 100,000 - 140,000; Full time

Job summary

Johnson Controls is seeking a Research and Advanced Development Engineer in Glendale, WI, focusing on data center thermal technology modeling. You will develop numerical simulations of thermal components, integrate subsystems, and provide guidance based on model results for cross-functional teams.

The role requires 7+ years in thermal products, strong thermodynamics knowledge, and expertise with tools like Modelica, MATLAB/Simulink, EES, and EnergyPlus.

Qualifications

• Bachelor's, Master’s or PhD in Mechanical Engineering or related field.
• 7+ years of industry experience with thermal products or systems.
• Strong foundation in thermodynamics, heat transfer, and fluid mechanics.
• Experience with HVAC design, refrigerant cycles, and component selection.

Responsibilities

• Develop numerical simulations of thermal components commonly used in data center applications.
• Integrate subsystems into complete thermal solutions, coordinating across cooling loops, controls, and heat-rejection equipment.
• Use simulation tools to predict chip-to-ambient performance of data center cooling systems.
• Apply system-level performance models to provide technical guidance to customers.
• Present project status, technical findings, and strategic recommendations across departments.
• Deliver presentations and/or write white papers communicating JCI’s technical perspective on emerging technologies and system architectures.
• Actively participate in industry groups such as ASHRAE and the Open Compute Project.

Skills

Thermodynamics

Heat transfer

Fluid mechanics

HVAC design

Refrigeration

Data center cooling

Python scripting

Education

Bachelor's, Master’s or PhD in Mechanical Engineering

Tools

Modelica

MATLAB/Simulink

EES

EnergyPlus

Job description

Johnson Controls is seeking a Research and Advanced Development Engineer in Glendale, WI, focusing on data center thermal technology modeling. You will develop numerical simulations of thermal components, integrate subsystems, and provide guidance based on model results for cross-functional teams.

The role requires 7+ years in thermal products, strong thermodynamics knowledge, and expertise with tools like Modelica, MATLAB/Simulink, EES, and EnergyPlus.