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WSP • Mississauga, Ontario, Canada
Salary: C$85,500 - C$117,800 / year
Role & seniority: Senior Emissions Stack Testing Specialist (lead/managerial role)
Stack/tools: Emissions/stack testing methodologies (OSTC, ECCC, US EPA); data processing/reporting tools (Excel, Word, PDF)
Lead source testing programs, manage field operations, budgets, and scheduling
Supervise junior/intermediate staff and ensure safety compliance
Liaise with clients, government agencies, and laboratories; process data and prepare technical reports
Degree/diploma in chemistry, engineering, environmental sciences, or related field
5–15 years of emissions/stack testing experience, Ontario Source Testing Code knowledge
Strong mechanical aptitude; troubleshooting; outdoor/fieldwork capability
Valid Ontario driver’s license; towing trailer experience
Ability to work at heights, in extreme weather; handle heavy equipment up to ~50 lbs
Location & work type: Ontario-based; field-focused with travel; opportunities beyond Ontario; occasional extended travel; hybrid/onsite field roles as required
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
Your Impact Starts Here – As a Senior Emissions Stack Testing Specialist, you’ll lead source testing programs that help industries meet environmental compliance and sustainability goals. You’ll manage complex field operations, mentor staff, and collaborate with clients and regulatory agencies to deliver accurate, reliable emissions data that drives cleaner air and healthier communities.
Your Impact
Pursue emissions testing opportunities in Ontario and beyond, supporting business growth. Prepare quotations and liaise with clients, government agencies, and laboratories to develop and validate testing programs. Conduct source testing using methodologies from OSTC, ECCC, and US EPA, adapting techniques for unique challenges. Manage project budgets, health and safety requirements, and scheduling for field programs. Supervise junior and intermediate staff during field operations and ensure compliance with safety protocols. Perform field testing at heights and in varying weather conditions, including extended travel for projects. Process data and prepare detailed technical reports for client submission. Maintain strong client relationships and collaborate with other WSP teams to deliver integrated environmental solutions.
The Skills That Set You Apart
Degree or diploma in chemistry, engineering, environmental sciences, or related field. 5–15 years of experience in emissions and stack testing, including Ontario Source Testing Code methodologies. Strong mechanical aptitude and ability to troubleshoot technical challenges. Proficiency with Excel, Word, and PDF software for data processing and reporting. Valid Ontario driver’s license; experience towing trailers is an asset. Ability to work outdoors in extreme weather conditions and at heights, handling heavy equipment (up to 50 lbs).
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’ll 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
Build What’s Next
Ready to make an impact on projects that matter? Apply today and take the next step toward a rewarding career with WSP.
Compensation
BC, AB, SK, NWT & NT: $93,700 – $124,200
MB & ON: $85,500 – $117,800
Atlantic Provinces & QC: $84,700 – $112,400
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
WSP is one of the world's leading professional services firms. Our purpose is to future proof our cities and environments.
We have over 65,000 team members across the globe. In Canada, our 12,000+ people are involved in everything from environmental remediation to urban planning, from engineering iconic buildings to designing sustainable transportation networks, from finding new ways to extract essential resources to developing renewable power sources for the future.
We value our people and our reputation We are locally dedicated with international scale We are future focused and challenge the status quo We foster collaboration in everything we do We have an empowering culture and hold ourselves accountable
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.
Offers of employment for safety-sensitive positions involving fieldwork are contingent upon candidates being able to perform key physical tasks of the job as described in the job posting and interview. This may include the ability to 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. For more information please READ THE FULL POLICY.