About Johnson Controls
Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.
For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.
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Johnson Controls’ Data Center Thermal Solutions team is seeking an AI Systems Engineer - Data Centers - for the Advanced Technology & Innovation group. The role focuses on developing, validating, and deploying liquid cooling solutions, including direct-to-chip, immersion, and hybrid systems for hyperscale, colocation, and AI/HPC data centers. The ideal candidate will be highly self-driven, able to work independently with limited supervision, and bring strong knowledge of GPU-based AI hardware and its cooling and power variations across diverse AI workloads. This position is remote based.
How you will do it
- Design, analyze, and deploy liquid cooling systems (single-phase, two-phase, immersion, and hybrid) for high-density data centers.
- Perform thermal modeling, CFD simulations, and performance optimization for CPU and GPU workloads.
- Commission and validate CDUs, cold plates, immersion tanks, and thermal test vehicles at lab and facility scale.
- Evaluate system resiliency and reliability under operational and failure scenarios.
- Collaborate with hyperscalers, OEMs, and partners to align solutions with AI/HPC workload demands.
- Contribute to patent filings, publications, and industry standards engagement.
What you will do
Required
- PhD or Master’s in Mechanical Engineering or related field.
- Proven data center cooling experience, particularly in GPU/AI hardware environments.
- Strong knowledge of heat transfer, fluid mechanics, and thermodynamics.
- Proficiency in CFD tools (ANSYS, Fluent, Modelica, Icepak, Cadence 6Sigma) and instrumentation for performance validation.
- Demonstrated ability to work independently, set priorities, and deliver results with minimal supervision.
- Track record of innovation, patents, or technical publications in thermal management.
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.
Skills Required
- PhD or Master's in Mechanical Engineering or related field
- Proven data center cooling experience, particularly in GPU/AI hardware environments
- Strong knowledge of heat transfer, fluid mechanics, and thermodynamics
- Proficiency in CFD tools (ANSYS, Fluent, Modelica, Icepak, Cadence 6Sigma)
- Demonstrated ability to work independently, set priorities, and deliver results with minimal supervision
- Track record of innovation, patents, or technical publications in thermal management
Johnson Controls Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Johnson Controls and has not been reviewed or approved by Johnson Controls.
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Retirement Support — Retirement support is positioned as a meaningful part of the package through employer 401(k) matching, repeatedly framed as a strong pillar of the overall rewards mix. The matching contribution is described with specific match levels in multiple places, reinforcing perceived value for long-term saving.
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Leave & Time Off Breadth — Time off is presented as comparatively robust, with multiple paid holiday categories, vacation time, and sick time described as generous or “amazing” in places. Paid time off breadth appears to be a consistent contributor to total rewards attractiveness beyond base pay.
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Flexible Benefits — Benefits are described as broad and customizable, spanning standard medical/dental/vision plus optional add-ons like pet insurance, identity protection, and legal support. Tuition reimbursement is repeatedly highlighted as a high-value option supporting professional development.
Johnson Controls Insights
What We Do
At Johnson Controls, we transform the environments where people live, work, learn and play. From optimizing building performance to improving safety and enhancing comfort, we drive the outcomes that matter most. Dedicated to protecting the environment, we deliver our promise in industries such as healthcare, education, data centers and manufacturing. With a global team of 100,000 experts in more than 150 countries and over 130 years of innovation, we are the power behind our customers’ mission. Our leading portfolio of building technology and solutions includes some of the most trusted names in the industry, such as Tyco®, York®, Metasys®, Ruskin®, Titus®, Frick®, Penn®, Sabroe®, Simplex®, Ansul® and Grinnell®.
