Job Description What if you could redefine what’s possible? With us, you can. You want Purpose. Growth. Opportunity. People who get it. We are the home of ambitious, passionate, and innovative world shapers. With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions. We are pathfinders and impact makers. We are Visioneers. We are WSP.The Opportunity Build the Future with Us: As a Senior Mechanical Engineer, you will apply your expertise across the full project lifecycle – from conceptual design through to completion – on a diverse portfolio of commercial, residential, retail, and institutional building projects. You will play a key role in delivering technically excellent, cost‑effective designs while mentoring team members and building strong client relationships. You’ll be part of WSP’s Electrical & Mechanical team, known for delivering healthcare, educational, commercial, residential, recreational, and light industrial facilities, with a strong focus on large, complex projects, sustainable developments, and Alternate Delivery methods including Public‑Private Partnerships (P3).Your ImpactLead mechanical building design projects from concept through construction, delivering high‑quality engineering solutionsApply professional engineering judgement to ensure technical excellence, constructability, and cost effectivenessDesign and coordinate HVAC, plumbing, fire protection, and fuel systems for complex building projectsEnsure designs comply with National, Provincial, and Municipal codes and standardsResearch and implement innovative and sustainable mechanical design solutions aligned with client objectivesManage select projects including budgets, schedules, and milestone deliverablesCollaborate with clients, stakeholders, and internal teams through meetings, proposals, and business development effortsMentor and peer‑review the work of junior engineers and designers to support team growth and quality outcomesThe Skills That Set You ApartDegree in Mechanical Engineering from an accredited institution or equivalentProfessional Engineer (P.Eng.) licensed in Ontario10+ years of experience in a mechanical consulting engineering environmentStrong working knowledge of Canadian building codes and standardsProficiency with AutoCAD, Carrier HAP or Trane TRACE, and Microsoft OfficeExperience using MEP Revit is highly desirableLEED accreditation and sustainable design experience are considered strong assetsPMP designation or willingness to pursue is an assetAbility to obtain and maintain a Secret level security clearanceWhy Choose WSP?Proudly Canadian – we are a Top 100 Employer in Canada for 2026A global community of brilliant minds – your next idea, mentor, or opportunity is always within reachLimitless 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 oursFlexible work, real balance – we recognize the importance of balance in our lives and encourage you to prioritize the balance in yoursCompensation BC, AB, SK, NWT & NT: $104,100 – $138,000 MB & ON: $95,000 – $130,800 Atlantic Provinces & QC: $88,500 – $124,900Disclosure: 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.About Us: At WSP, we exist to shape communities to advance humanity. It’s why we bring people together who are wired to solve complex challenges—engineers, scientists, advisors, and technical experts who are driven by a common passion—to redefine what’s possible and shape what comes next. We are Visioneers. As one of the world’s leading professional services firms, we partner with clients across transportation, infrastructure, environment, buildings, energy, water, mining and metals. We pair deep local knowledge with global insights to pioneer solutions designed to leave a lasting, positive impact. At WSP, you’ll join a community of brilliant minds that push boundaries every day—applying deep expertise and fuelling innovation to help create a more connected and resilient future. Here, your ideas are valued, your growth is supported, and you are encouraged to bring your authentic self to work. We empower our people to collaborate across disciplines, challenge the status quo, and shape a career with purpose. Join us.Please Note: Health and Safety is a core paramount value of WSP. Given the importance of keeping one another safe it is expected that you comply with our Health, Safety & Environment (HSE) policy at all times as well as client HSE policies when working at client locations. Full details here. Some safety-sensitive positions involve fieldwork and may include work in a variety of environmental conditions, such as remote or isolated areas, working alone, and in inclement weather (within safe and reasonable limits). WSP welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process. WSP is committed to the principles of employment equity. Only the candidates selected will be contacted. WSP does not accept unsolicited resumes from agencies. Full details here.#WeAreWSP#J-18808-Ljbffr