Senior Data Center Thermal Modeling Engineer

Johnson Controls; Glendale (AZ); On-site; USD 120,000 - 170,000; Full time

Job summary

Johnson Controls' Data Center Thermal Technology Solutions group is seeking a Research and Advanced Development Engineer to develop numerical models for end-to-end data center cooling performance. You will work in a cross-functional team to deliver thermal solutions and provide guidance based on model results.

The role is on-site at the Warren Johnson Engineering Lab in Glendale, WI with relocation options and some remote flexibility for the right candidate.

Qualifications

• Master's or PhD in Mechanical Engineering or related field.
• 10+ years of industry experience with thermal products or systems.
• Strong foundation in thermodynamics, heat transfer, and fluid mechanics.
• Experience with HVAC system design, refrigerant cycles, and component selection.
• Proficiency with numerical simulation tools (Modelica, MATLAB/Simulink, EES, EnergyPlus).
• Proven ability to execute cross-functional projects.

Responsibilities

• Develop numerical simulations of thermal components used in data center applications.
• Integrate subsystems into complete thermal solutions across cooling loops, controls, and heat rejection.
• Use simulations to predict chip-to-ambient performance of data center cooling systems.
• Provide system-level guidance to customers based on model results.
• Present status, findings, and recommendations across departments.
• Deliver presentations or white papers on technologies and system architectures.
• Engage with industry groups such as ASHRAE and the Open Compute Project.

Skills

Thermal systems

Cross-functional

HVAC design

Numerical simulation

Education

Master’s/PhD in Mechanical Engineering

Tools

Modelica

MATLAB/Simulink

EES

EnergyPlus

Job description

Johnson Controls' Data Center Thermal Technology Solutions group is seeking a Research and Advanced Development Engineer to develop numerical models for end-to-end data center cooling performance. You will work in a cross-functional team to deliver thermal solutions and provide guidance based on model results.

The role is on-site at the Warren Johnson Engineering Lab in Glendale, WI with relocation options and some remote flexibility for the right candidate.