Senior Thermal Mechanical Engineer

Are you passionate about advancing liquid cooling technologies that power AI, high-performance computing, and next-generation data centers? As a Senior Thermal Mechanical Engineer, you will lead the development of innovative thermal management solutions, drive hands-on prototyping and testing, and provide technical leadership across engineering, customer, and industry-facing initiatives.

What's in it For You

• Vacation and flex days, plus a paid company-wide shutdown during the holiday season.
• Comprehensive benefits from day one, including Dental, Drug, Vision, Paramedical, and Health Spending coverage.
• Casual yet professional "dress for your day" work environment.
• Company-funded RRSP contributions.
• Annual professional development allowance to support continued learning and career growth.
• Opportunity to work on industry-leading cooling technologies supporting AI and high-performance computing applications.

What You Will Do

• Lead the design and development of advanced liquid cooling systems and technologies.
• Drive prototyping, testing, and validation activities to ensure product performance and reliability.
• Apply expertise in fluid dynamics, heat transfer, and thermal management to solve complex engineering challenges.
• Support the development of new technologies and innovative cooling solutions.
• Provide technical leadership, mentorship, and guidance to junior engineers.
• Conduct design reviews and promote engineering best practices.
• Partner with cross-functional teams to drive product innovation and continuous improvement.
• Support customer engagements through technical presentations, demonstrations, and product discussions.
• Represent CoolIT at industry events, standards groups, and technical forums.

Position Details

• Location: Calgary, AB (Hybrid)
• Schedule: Full-time, standard business hours
• Travel: Occasional travel as required

Minimum Qualifications

• Bachelor's or Master's degree in Mechanical Engineering or a related discipline.
• 8+ years of thermal and mechanical engineering experience.
• Strong knowledge of fluid dynamics, heat transfer, and cooling system design.
• Experience designing products and components for manufacturing.
• Knowledge of GD&T, tolerance analysis, FMEA, and manufacturing processes.
• Hands-on experience with prototyping, testing, and troubleshooting complex systems.
• Experience leading technical projects and collaborating across cross-functional teams.
• Strong communication and presentation skills.

Preferred Qualifications

• P.Eng. designation or equivalent professional engineering credential.
• Experience in liquid cooling, thermal management, automotive, or related industries.
• Experience using simulation tools such as CFD and FEA.
• Experience engaging with customers, industry groups, or technical standards organizations.
• Experience mentoring engineers and leading technical development initiatives.
• Physical Requirements of Position
• Ability to work in office, laboratory, and manufacturing environments.
• Occasional handling of prototypes, test equipment, and engineering assemblies.

Successful candidates will be required to complete pre-employment screening, including criminal record and education verification checks.

About CoolIT Systems

CoolIT Systems, an Ecolab company, is the global leader in Direct Liquid Cooling solutions for AI, data center, and high-performance computing applications. Our technology supports some of the world's largest and most advanced computing environments while enabling sustainable and efficient cooling at scale.

During pre-screening, we may use an AI tool, supported by human oversight, to efficiently manage tasks such as resume screening and/or interview scheduling. All hiring decisions are made by human reviewers.

Successful candidates will be required to undergo pre-hire background checks as a condition of employment.

About Us