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Senior Mechanical Engineer, Passive Cooling Products

CoolIT Systems

CoolIT Systems

Other Engineering
Calgary, AB, Canada
Posted on Tuesday, June 4, 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.



Reporting to the Thermal Mechanical Engineering Manager, the Senior Mechanical Engineer assumes a pivotal role in spearheading the design and advancement of Direct Liquid Cooling solutions. Encompassing passive cold plate loops, rack, and chassis manifolds.


  • Serve as a thermal and/or mechanical design subject matter expert, leading the design and development of custom passive cold plate loops and rack & chassis manifolds. Leveraging expertise in areas including heat transfer, fluid dynamics, ergonomics, and manufacturability to optimize design outcomes.
  • Foster close collaboration with cross-functional teams and customers to ensure seamless integration of products into overall cooling system designs and effective project execution.
  • Oversee the fabrication and testing of products, conduct experiments, collect data, and iterate designs to achieve desired thermal and mechanical performance.
  • Assume responsibility for conducting comprehensive reviews of designs and drawings produced by junior team members. Providing feedback on mechanical and thermal designs, drawing best practices and approving engineering drawings for use in manufacturing and assembly of products.
  • Develop detailed engineering documentation, reports, and articulate technical presentations to effectively communicate design concepts, testing outcomes, and recommendations to both internal teams and external stakeholders.
  • Utilize CAD, Simulation tools and engineering principles to aid in Mechanical and Thermal design of cooling products. Driving new product introduction (NPI) efforts from concept to mass production.

Basic Qualifications

  • Bachelor’s degree in mechanical engineering
  • Minimum of 6 years of relevant experience in thermal/mechanical engineering and possess P. Eng, or similar professional credentials.
  • Highly proficiency in using CAD and simulation software (e.g. SolidWorks, Celsius EC) to create detailed mechanical designs & drawings and predict & optimize performance.
  • Solid understanding of fluid dynamic principles, especially as they relate to heat transfer and fluid flow in cooling systems.
  • Proven ability to design components for mass production using a variety of different manufacturing methods and engineering principles (Statistical tolerance analysis, GD&T, FMEA, DFM & DFA).

Preferred Qualifications

  • Master’s degree in relevant thermal or fluid dynamics field.
  • Experience in a mass production environment.


  • Excellent problem-solving skills and attention to detail.
  • Effective communication and teamwork abilities.


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.