Senior Data Center Thermal Modeling Engineer

Johnson Controls; Glendale (CA); Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Relocation packages

Competitive benefits package

Bonus plan

Job summary

Johnson Controls in the United States seeks a Senior Thermal Modeling Engineer to develop and apply numerical models for end-to-end data center cooling performance. You will join the advanced development team to simulate, analyze, and guide design decisions across cooling loops, controls, and heat-rejection equipment.

Based in the Warren Johnson Engineering Lab, Glendale, WI with options for relocation and remote for the right candidate, the role calls for deep thermodynamics expertise, 10+

Qualifications

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

Responsibilities

• Develop and apply numerical models to simulate end-to-end performance of data center cooling systems.
• 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

Cross-functional project execution

Python scripting

Controls engineering basics

Electrical systems basics

Communication

Problem solving

Education

Master’s or PhD in Mechanical Engineering or related field

Tools

Modelica

MATLAB/Simulink

EES

EnergyPlus

Job description

Johnson Controls in the United States seeks a Senior Thermal Modeling Engineer to develop and apply numerical models for end-to-end data center cooling performance. You will join the advanced development team to simulate, analyze, and guide design decisions across cooling loops, controls, and heat-rejection equipment.

Based in the Warren Johnson Engineering Lab, Glendale, WI with options for relocation and remote for the right candidate, the role calls for deep thermodynamics expertise, 10+