The Opportunity As a Senior Air 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). Compensation BC, AB, SK, NWT & NT: $93,700 – $124,200 MB & ON: $85,500 – $117,800 Atlantic Provinces & QC: $84,700 – $112,400 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. 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 ( #J-18808-Ljbffr