Mechanical Engineer (Buildings boiler & chiller water systems)

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The Opportunity

Join our Ottawa Buildings District Energy team and help shape some of Canada’s most complex and impactful buildings and energy infrastructure projects. As an Intermediate Mechanical Engineer, you will contribute to the design and delivery of innovative, large-scale mechanical systems that help clients achieve their performance, resilience, and sustainability goals.

You will work across a diverse portfolio, with a particular focus on district energy systems, central utility plants, and major mechanical equipment design and upgrades. Collaborating with multidisciplinary teams across the region and nationally, you will have the opportunity to deepen your technical expertise, influence meaningful project outcomes, and help create resilient, low-carbon infrastructure.

Your Impact

• Design campus-scale hydronic heating and cooling networks that support efficient, reliable, and resilient building operations.
• Lead HVAC, hydronic, plumbing, and energy-related building system designs from concept development through construction.
• Advance the planning and design of district energy systems, thermal networks, and central utility plants that support more sustainable communities.
• Evaluate and integrate major mechanical equipment, including chillers, boilers, cooling towers, heat pumps, and associated plant infrastructure.
• Collaborate with architects, engineers, clients, and project stakeholders to deliver coordinated, high-performing, and innovative solutions.
• Develop technical studies, energy analyses, feasibility assessments, and equipment replacement strategies for new and existing facilities.
• Guide junior team members through mentorship, technical knowledge sharing, and thoughtful project collaboration.
• Shape resilient, low-carbon buildings and infrastructure that create lasting value for clients, communities, and the environment.

The Skills That Set You Apart

• Bachelor’s degree in Mechanical Engineering from an accredited university.
• Professional Engineer licence in Ontario, or eligibility to obtain P.Eng. registration within a reasonable timeframe.
• Five or more years of experience in consulting engineering, building systems design, or a related project delivery environment.
• Demonstrated experience designing HVAC and hydronic systems, developing mechanical room layouts, and working with building mechanical infrastructure.
• Experience supporting district energy systems, central utility plants, or initiatives involving large-scale mechanical equipment.
• Working knowledge of applicable building codes, energy standards, and recognized industry practices.
• Proficiency with engineering design tools such as Caesar II and hydraulic design software, along with experience using BIM/Revit and Forma.
• Strong technical communication and relationship-building skills; experience with industrial controls is considered an asset.

• Why Choose WSP?
• We exist to shape communities to advance humanity. The brightest engineers, advisors and scientists from across the globe call WSP home.

• Proudly Canadian – we are a Top 100 Employer in Canada for 2026.
• A global community of brilliant minds – your next idea, mentor, or opportunity is always within reach.
• Limitless opportunities start here. Whether it’s across the country or around the globe, we help you tailor your role to match your ambition — because your growth drives ours.
• Flexible work, real balance – we recognize the importance of balance in our lives and encourage you to prioritize the balance in yours.

#WeAreWSP

Compensation

• AB, BC, NT, NU, SK & YT: $77,400 - $102,500
• MB & ON: $70,600 - $97,200
• NB, NL, NS, PE & QC: $69,900 - $92,900

Disclosure

The final salary awarded for this role may vary from the above range based on several factors including, but not limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs. The wage range provided in this job posting may be subject to change for business purposes.

Make Your Mark with WSP

Bring your mechanical engineering expertise to projects that are transforming how buildings and communities generate, distribute, and use energy. Apply today and help design resilient, high-performing systems that will create lasting impact across Ottawa and beyond.