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Thermal Engineer, Advanced Technology

CoolIT Systems

CoolIT Systems

Calgary, AB, Canada
Posted on Friday, June 28, 2024
About Coolit Systems Inc.

Founded in Calgary, Alberta in 2001, CoolIT Systems is the leading Direct Liquid Cooling technology provider for data centers, supercomputers, and desktop computers. We design and manufacture solutions used by the largest tech companies globally.

Recognized as one of “The Americas’ Fastest Growing Companies 2023” by Financial Times and honored with the Deloitte Fast 50 Clean Technology award in 2022, as well as the Deloitte Fast 500 distinction in both 2021 and 2022, CoolIT's rapid growth is capturing global attention.

As demand for generative AI, high performance computing and cloud solutions rapidly expands, there has never been a more exciting time to join our team.



We are seeking a talented Thermal Engineer to join our Advanced Technology Team. If you enjoy solving problems, finding novel solutions, are eager to learn new topics and skills and challenge yourself in various ways in a fun, dynamic and supportive group, with the following qualification, then this position is for you.

This role will report to Thermal-Mechanical Manager-ATG and will be integral to advancing the electronic cooling industry. The job location will be in Calgary Head Office.


  • Research the latest developments in thermal engineering for electronic cooling in high performance compute and enterprise server.
  • Apply learnings to new inventions that will advance CoolIT’s position as the leading supplier of liquid cooling products.
  • Perform CFD/FEA and other simulations to accurately model new concepts.
  • Work with the team to develop products based on new concepts.
  • Participate in joint development activities with customers and partners.
  • Design component and system level testing.
  • Perform hands on testing in the lab and prototype the concept designs.
  • Document simulations, designs, test results and provide recommendations for next steps.
  • Design product concepts, review DFMs and work with vendors to evaluate new technology.
  • Foster a culture of innovation.
  • Develop ways of automating everyday workload.

Who You Are

Basic Qualifications:

  • MSs, or PhD degree in Mechanical Engineering with focus on thermal/Fluid.
  • 3+ Years of relevant experience in cooling technology design and testing.
  • Previous experience in thermal-fluid design and analysis.
  • Previous in-depth experience with design of experiments, experimental setup, and data acquisition.
  • Familiar with flow boiling in micro channels.
  • Previous experience in selection and evaluation of pumps, heat exchanger for cooling units.
  • Previous experience in the lab environment for maintenance of equipment, sensor calibration and data acquisitions.
  • Expert level proficiency in CAD design using SolidWorks.
  • Expert level proficiency in CFD (Computational Fluid Dynamics).
  • Proficiency in programming and developing coding (preferably in Python).
  • Passionate about new technologies and a self-learner.
  • Enjoys and contributes to a collaborative culture where nothing is impossible.
  • Continuously seek opportunities to improve product design methodologies and manufacturing processes to enhance overall system efficiency and reliability.
  • Believes in being a good person, always.

Preferred Qualifications

  • Previous experience working with data center cooling strategies.
  • Previous experience working with direct liquid cooling, specially pumped two-phase loops with refrigerants and evaporative cooling.
  • Experience with developing custom codes in LabVIEW.
  • Good understanding of Hydronics system designs and solid understanding of fluid dynamics and heat transfer principles.
  • Proficient in design, simulation, and selection of Heat exchangers and pumps.
  • Create detailed mechanical designs & drawings.


  • Well organized, clear communication in English, time management skills.
  • Work in a fast-paced environment.
  • Creative, out of the box thinker that thrives in uncertainty.


We strive to be an employer of choice and as such we believe in rewarding our employees with career and development opportunities that will maintain and strengthen our culture while aligning to our vision and values.


We are a company that is full of vibrant, innovative people who love what we do. Our comprehensive benefits package includes:

  • Vacation and flex days, and paid company-wide shutdown during the holiday season.
  • Comprehensive benefits including Dental, Drugs, Optical, Paramedical and Health Spending. These costs are covered by CoolIT and are enacted from your first day.
  • Dress for your day – in a casual yet professional environment.
  • Retention rewards like “The Big Coffee Break” that reward tenure with additional vacation time and a monetary bonus.
  • Employee ownership program.

We thank every candidate in advance, however, only those selected for an interview will be contacted.

Successful candidates for this position will be required to undergo background checks including criminal records check and education.