{"id":2836715,"url":"https://alion.io/job/wsp-senior-mechanical-engineer-plant-design","title":"Senior Mechanical Engineer (Plant Design)","company":{"id":1668012,"name":"WSP","domain":"wsp.com","url":"https://alion.io/company/wsp-ca","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":76,"open_postings":355,"ghost_share":0,"stale_share":0.975,"repost_share":0,"time_to_fill_p50_days":42,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Mississauga, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":122900,"max":162800,"currency":"CAD","period":"year","gross":null,"usd_annual":115188},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-03-31T19:54:44Z","employer_posted_date":"2026-03-31","last_verified_at":"2026-10-24T02:08:11Z","board_verified":true,"closed_at":null,"days_open":206,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":205},"description":"What if you could redefine what's possible?\nWith us, you can.\nYou want Purpose. Growth. Opportunity. People who get it.\nWe are the home of ambitious, passionate, and innovative world shapers.\nWith an unmatched breadth and depth of engineering, advisory and science-based expertise, our global minds unite to power local solutions.\nWe are pathfinders and impact makers.\nWe are Visioneers.\nWe are WSP.\nThe Opportunity\nBuild the future with us.\nAs a Senior Mechanical Engineer within our Mine Process & Mine Infrastructure group, you will shape the systems and infrastructure that power Canada’s most complex industrial and mining environments. From optimizing process plant layouts to advancing mechanical excellence on major brownfield and greenfield programs, your expertise will directly influence safe, sustainable, and high-performing operations across Canada and internationally.\n#GlobalMining #ERI_Opportunities #carrières_ERI\nYour Impact\nLead mechanical engineering for industrial and mining plant facilities, including material handling systems, pumping systems, piping networks, and equipment layouts.\nDeliver and review high-quality engineering outputs-calculations, specifications, datasheets, technical reports, and drawing packages.\nSteward technical integration across process, structural, electrical, and civil discipline teams to ensure cohesive project execution.\nMentor and guide intermediate and junior engineers and designers, fostering technical growth and excellence.\nPartner with clients, vendors, and contractors to support equipment selection, procurement, constructability planning, and commissioning success.\nConduct and participate in design reviews, HAZOPs, field engineering assessments, and constructability evaluations.\nChampion compliance with industry codes, standards, and WSP quality systems.\nContribute to proposal development, scope definition, and identification of engineering risks and opportunities.\nThe Skills That Set You Apart\nBachelor’s degree in Mechanical Engineering and active P.Eng. (or eligibility).\n10-15 years of progressive experience with a strong focus on industrial or mining plant design.\nExpertise in process plants, mine infrastructure, material handling systems, plant layouts, and rotating/static equipment.\nExperience working within both brownfield and greenfield environments.\nProven ability to lead mechanical design independently while providing technical leadership in multidisciplinary teams.\nComfort working closely with clients in dynamic, fast-paced project environments.\nWhy Choose WSP?\nWe exist to shape communities to advance humanity. The brightest engineers, advisors and scientists from across the globe call WSP home.\nProudly Canadian - we are a Top 100 Employer in Canada for 2026.\nA global community of brilliant minds - your next idea, mentor, or opportunity is always within reach.\nLimitless 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.\nFlexible work, real balance - we recognize the importance of balance in our lives and encourage you to prioritize the balance in yours.\n#WeAreWSP\nCompensation\nAB, BC, NT, NU, SK & YT: $122,900 - $162,800\nMB & ON: $112,100 - $154,400\nNB, NL, NS, PEI & QC: $111,000 - $147,400\nDisclosure:\nThe 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.\nReady to Shape the Future?\nTake the next step and bring your expertise to projects that matter. 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