Mechanical Engineer – Industrial Refrigeration

Prairie HVAC/R | An IR Pros Company

Winnipeg, MB | Full time | Industrial Refrigeration

About IR Pros / Prairie HVAC/R Prairie HVAC/R, part of the IR Pros organization, provides HVAC, refrigeration, electrical, and controls solutions to commercial and industrial customers. Our teams work together to design, install, service, and support reliable systems while maintaining a strong commitment to safety, quality, efficiency, and customer service.

We are seeking an experienced Mechanical Engineer with cold storage and food & beverage industry experience to join our team.

Position Summary The Mechanical Engineer supports the design, specification, and performance of industrial refrigeration systems serving cold storage, food processing, and beverage production facilities. This role works closely with project managers, drafters, controls specialists, technicians, and clients to develop engineering solutions that are safe, efficient, and built to meet each facility's operating requirements.

The ideal candidate has a strong background in industrial ammonia and/or CO₂ refrigeration system design, is comfortable performing load calculations and equipment selection, and can read and produce P&IDs;, mechanical layouts, and technical specifications. Experience supporting cold storage, food processing, or beverage production environments is highly valued.

Key Responsibilities

Design and specify industrial refrigeration systems for cold storage, food processing, and beverage production facilities

Perform heat load calculations, equipment sizing, and system capacity analysis

Develop and review P&IDs;, mechanical layouts, equipment schedules, and technical specifications





Select compressors, evaporators, condensers, pumps, vessels, valves, and associated refrigeration equipment

Prepare engineering calculations, submittals, and project documentation

Review and respond to redline markups and field conditions, updating drawings and specifications as needed

Collaborate with project managers, drafters, controls specialists, and field technicians to ensure designs are accurately implemented

Support new system design as well as upgrades, retrofits, and modifications to existing refrigeration systems

Evaluate system performance and recommend improvements to efficiency, reliability, and safety

Ensure designs comply with applicable codes, safety regulations, and industry standards (e.g., IIAR, CSA, ASHRAE)

Communicate technical requirements clearly to clients, contractors, and internal teams

Support project estimating, proposal development, and bid preparation as needed

Assist with startup, commissioning, and troubleshooting support on active projects

Qualifications Qualifications

Bachelor's degree in Mechanical Engineering or a related engineering discipline

Proven experience designing or supporting industrial refrigeration systems (ammonia and/or CO₂ preferred)

Experience in cold storage, food processing, or beverage production environments





Strong understanding of refrigeration thermodynamics, load calculations, and system design principles

Ability to develop and interpret P&IDs;, mechanical drawings, and equipment schedules

Proficiency with AutoCAD or similar design software

Strong analytical and problem-solving skills

Excellent written and verbal communication skills

Ability to manage multiple projects and shifting priorities

Preferred Experience Experience with any of the following is a plus:

Ammonia (NH₃) and CO₂ refrigeration system design

Engineering licensure (P.Eng.) or progress toward licensure

Building Automation Systems or refrigeration controls

System startup, commissioning, and field troubleshooting support

Industrial refrigeration construction and installation projects

What We're Looking For We're looking for an engineer who understands that good refrigeration design goes beyond equipment selection — it requires understanding how a system performs as a whole, under real operating conditions, in demanding environments like cold storage and food & beverage production. Our strongest candidates can translate project requirements into practical, reliable designs and work well with project teams from concept through startup.

Benefits Prairie HVAC/R offers a competitive benefits package designed to support our employees professionally and personally, including:

Group medical, dental, and vision benefits

Life and accidental death insurance

Short-term and long-term disability coverage

64 hours of sick/personal time upon hire

Paid vacation in accordance with company policy and applicable provincial employm

📌 Mechanical Engineer Prairie (Winnipeg)
🏢 Industrial Refrigeration Pros
📍 Winnipeg