**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 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).

**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 #EEOntario

**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

**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.

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 skilled 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 protected 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 (https://www.wsp.com/en-ca/corporate/ca/health-safety) ._

_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 (https://www.wsp.com/en-ca/careers/notice-to-staffing-agencies) ._

Required Skill Profession

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📌 Senior Air Emissions & Stack Testing Specialist (Mississauga)
🏢 WSP USA
📍 Mississauga