Junior Thermal Mechanical Engineer

Ecolab, Inc.; Calgary; Hybrid; CAD 55,000 - 75,000; Full time

Benefits offered by this job

Vacation & flex days

Comprehensive benefits (Dental, Drugs,

Optical, Paramedical, Health Spending)

Casual dress

Company-funded RRSP contributions

Annual professional development

Job summary

CoolIT, an Ecolab company, is seeking a Junior Thermal Mechanical Engineer to help design and validate liquid cooling solutions for high‑performance computing environments. You will work with senior engineers on passive cold plates, manifolds, and modular assemblies while applying thermal and mechanical principles across the product lifecycle.

You'll perform analyses, prototyping, testing, and documentation, collaborating with cross‑functional teams.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• Strong understanding of GD&T, tolerance analysis, and DFMEA.
• Proficient CAD and simulation tools (e.g., SolidWorks) to create production‑ready models and drawings.
• Experience with thermal, fluid, and mechanical engineering analyses is a plus.
• Experience with lab testing and data collection is preferred.

Responsibilities

• Support design and development of thermal‑mechanical products and components, including passive cooling plates and manifolds.
• Assist with product development from concept through production, including design studies, prototyping, verification, and changes.
• Create and maintain CAD models, drawings, BOMs, and documentation per company standards.

Education

Bachelor’s degree in Mechanical Engineering

Tools

SolidWorks

Job description

Are you passionate about developing innovative cooling solutions for the next generation of AI and high-performance computing? At CoolIT, an Ecolab company, you’ll help design and validate the liquid cooling technologies powering some of the world’s most advanced computing environments.

As a Junior Thermal Mechanical Engineer, you will support the design, development, and validation of liquid cooling products, including passive cold plates, coolant distribution manifolds, and modular cooling system components. Working within our IT Cooling Design Engineering team, you will apply thermal, fluid, and mechanical engineering principles to assist with product design, engineering analysis, prototyping, testing, and documentation activities. You will collaborate closely with experienced engineers and cross-functional teams while gaining hands‑on experience throughout the product development lifecycle, from concept through production. Reporting to the Thermal Mechanical Engineering Team Lead, this role offers an excellent opportunity to build technical expertise and contribute to innovative cooling solutions for high-performance electronics.

What’s in it For You

• 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.

• Company-funded RRSP contributions to support your long‑term financial goals.

• Annual professional development allowance to support your ongoing learning, skill development, and career growth.

What You Will Do

• Support the design and development of thermal‑mechanical products and components, including passive cold plates, coolant distribution manifolds, and modular cooling system assemblies, with guidance from senior engineers.

• Assist with product development activities from concept through production, including design studies, prototype builds, design verification, risk assessments, and engineering change implementation.

• Create and maintain CAD models, engineering drawings, bills of materials, and related documentation in accordance with company standards, GD&T practices, and DFM requirements.

• Perform engineering calculations, thermal, fluid flow, and structural analyses, and support laboratory testing, data collection, and analysis to validate product performance.

• Collaborate with testing, manufacturing, quality, and supply chain teams to support design reviews, investigate technical issues, and implement engineering solutions.

• Contribute to solving engineering challenges involving heat transfer, fluid dynamics, mechanical design, simulation, and product validation while developing technical knowledge and practical engineering skills.

• Grow your technical and professional expertise through hands‑on product development, mentorship from experienced engineers, and exposure to advanced liquid cooling technologies for high‑performance computing and data center applications.

Position Details (if applicable)

• Travel: Minimal travel may be required based on business needs.
• Candidate must reside in or willing to relocate to: Calgary, AB or surrounding area
• Work location: Hybrid, up to 50 days WFH a year
• Work week and shift: Full-time, standard business hours

Minimum Qualifications

• Bachelor’s degree in Mechanical Engineering or a related engineering discipline.

• Understanding of core mechanical engineering principles, including:

• Geometric Dimensioning & Tolerancing (GD&T)

• Tolerance stack‑up and statistical tolerance analysis

• Mechanism design and analysis

• Finite Element Analysis (FEA)

• Design for Manufacturing (DFM)

• Design Failure Mode and Effects Analysis (DFMEA)

• Product Lifecycle Management (PLM)

• Engineering testing, validation, and root cause analysis

• Proficient in CAD and simulation tools (e.g., SolidWorks) to create production‑ready models and drawings, perform analyses, and optimize design performance.

Preferred Qualifications

• Minimum 0~3 years of experience in thermal‑mechanical product development.

• Proven experience designing mechanical components and assemblies for mass production using multiple manufacturing processes.

• Strong understanding of fluid mechanics, heat transfer, and cooling system design.

• Experience designing products for or working in high‑volume manufacturing environments.

• Engineering‑in‑Training (EIT) designation or equivalent professional accreditation.

• Master’s degree in mechanical engineering, Thermal Mechanical Engineering specializing in Fluid Dynamics, or a related field.

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.