Ehvert Mission Critical, a business unit within Salas O’Brien, is seeking a Senior Mechanical Engineer to join our growing team in Canada. This is a fully remote position open to candidates located anywhere in Canada.

We are looking for a highly experienced mechanical engineering professional with strong expertise in mission-critical facilities, hyperscale data centres, and complex building infrastructure systems. In this role, you will lead the design, coordination, and delivery of advanced mechanical systems supporting large-scale cloud, AI, and high-performance computing facilities across Canada and the United States.

As a senior member of our engineering team, you will provide technical leadership throughout the full project lifecycle—from concept development and detailed design through construction administration and commissioning support. You will work closely with multidisciplinary teams to deliver innovative, energy-efficient, and highly reliable data centre environments for some of the world’s leading technology organizations. What We Offer Fully remote work within Canada Opportunity to work on cutting-edge hyperscale and AI data centre projects Collaborative and supportive team environment Professional development, technical training, and career advancement opportunities Competitive compensation package Comprehensive health and wellness benefits, including medical, dental, and vision coverage Life and disability insurance programs Paid vacation and personal time off Participation in the company retirement savings program Opportunity to participate in stock ownership / synthetic equity programs

What You Will Do: Lead the mechanical engineering design of mission-critical and data centre projects. Design and coordinate HVAC, chilled water, condenser water, cooling tower, plumbing, hydronic piping, and heat rejection systems for high-availability facilities. Perform and review load calculations, equipment sizing, energy analysis, and system simulations. Prepare and oversee the development of technical specifications, design criteria, reports, and construction documentation. Ensure designs meet project scope, budget, schedule, sustainability objectives, and applicable Canadian and U.S. codes and standards. Provide BIM leadership and multidisciplinary coordination using Autodesk Revit and related digital design tools. Review shop drawings, RFIs, submittals, and commissioning documentation for technical compliance. Mentor junior and intermediate engineers and contribute to the continuous improvement of engineering standards and processes. Participate in client meetings, design reviews, and technical presentations. Support construction administration, including periodic site visits, field reviews, and coordination with contractors and commissioning teams. Contribute to the implementation of advanced delivery technologies, including BIM, VDC, laser scanning, and digital twin workflows.

What We Expect: Bachelor’s degree in Mechanical Engineering from an accredited university (Master’s degree considered an asset). 10+ years of progressive mechanical engineering experience, with significant experience in data centres, mission-critical facilities, healthcare, industrial, or other complex infrastructure projects. Professional Engineer designation (P.Eng.) in a Canadian province, or eligibility to obtain registration. Strong expertise in HVAC and hydronic system design for high-performance facilities. Advanced proficiency with Autodesk Revit, AutoCAD, and BIM coordination workflows. Experience with CFD analysis, energy modelling, or thermal performance assessment is considered an asset. Solid understanding of Canadian building codes, ASHRAE standards, NFPA requirements, and relevant U.S. industry standards. Demonstrated ability to lead projects, manage priorities, and coordinate multidisciplinary teams in a remote environment. Excellent communication, collaboration, and client relationship skills. Willingness to travel occasionally within Canada and the United States for project and client requirements.

Why Join Us? This is an opportunity to work with a recognized leader in hyperscale and AI data centre engineering. Our team delivers some of the most technically demanding and innovative mission-critical facilities in North America, leveraging advanced engineering methodologies such as Building Information Modeling (BIM), Virtual Design and Construction (VDC), computational fluid dynamics (CFD), digital twins, and integrated construction coordination. Ehvert Mission Critical is part of Salas O’Brien, a 5,000+ person engineering and professional services firm with more than 100 offices across North America and over 10,000 projects delivered annually. Salas O’Brien is consistently recognized among the top engineering firms in North America for its technical excellence, collaborative culture, and commitment to innovation. Our projects support global technology leaders and involve sophisticated mechanical, electrical, automation, and security systems for facilities that often exceed 100 MW of critical load and can reach 1 GW+ campus-scale developments.

How to Apply Interested candidates are invited to submit their resume outlining their relevant senior-level mechanical engineering and mission-critical project experience. Join Ehvert Mission Critical, a business unit within Salas O’Brien, and help shape the future of hyperscale and AI data centre infrastructure across North America.

For more information, visit www.ehvert.com and www.salasobrien.com.