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Environmental Engineer Civil Engineering Water Engineer Water Management

Senior Water​/Wastewater Treatment Process Engineer

Job in Mississauga, Ontario, Canada
Listing for: Gannett Fleming
Full Time position
Listed on 2026-02-14
Job specializations:
  • Engineering
    Environmental Engineer, Civil Engineering, Water Engineer, Water Management
Job Description & How to Apply Below

GFT is seeking a pipeline of Senior Water/Wastewater Treatment Process Engineering talent to join our Water team in either Toronto, Mississauga or Ottawa ON. This role follows a hybrid work model, requiring regular attendance at our Toronto, Mississauga or Ottawa office.

Joining the water team at GFT means contributing to innovative solutions for sustainable water management and infrastructure. Our team excels in dams and levees, advanced water and wastewater treatment, stormwater management, and conveyance, collection, and transmission. With a focus on integrating technology, sustainability, and compliance, we consider each water resources and environmental remediation project a chance to innovate and evolve to protect public health and enhance quality of life.

What you'll be challenged to do:

  • Undertake the design of both public and private sector municipal servicing projects (. sewage pumping stations and water booster stations, elevated tanks, reservoirs, and water/wastewater treatment systems) including engineering drawings, engineering reports, presentations, and required applications to regulatory and/or funding agencies.
  • Coordinate the design with review/input from the various municipal/utility/approval agencies/stakeholders and obtain all necessary approvals.
  • Liaise with clients, municipalities, and other agencies to secure approvals.
  • Assist developing and managing project scope, budget, staffing and schedule.
  • Prepare contract documents for construction (. engineering drawings and specifications).
  • May conduct construction inspection services and construction administration.
  • May provide services during construction that can include submittal reviews, responses to requests for information and contract document clarifications.
  • Participate in constructability review.
  • Conduct quality assurance and quality control on projects.
  • Mentor recently hired junior team members on the various facets of municipal infrastructure design.
  • Prepare portions of engineering project proposals, change orders, client contact and communication pertaining to specific projects.
  • Complete tasks accurately and efficiently with minimum supervision.

    • What You will Bring to our firm:

  • Bachelor's Degree in Mechanical or Civil engineering.

  • . licensure with .

  • 10 years of experience in the execution of wastewater infrastructure (sewer pumping stations, booster pumping stations, reservoir and elevated tanks and water and wastewater treatment plants) projects.

    • What we prefer you bring

  • Experience with Master Planning, Class EAs and DWWP and/or ECA process in Ontario considered or equivalent in other Provinces is considered an asset.
  • Contract administration experience is considered an asset.
  • Client focused, always striving to give clients the best solutions.
  • Strong commitment to innovation by creating new and better ways to solve clients’ toughest challenges.
  • High levels of integrity, always doing the right thing in an ethical, fair, and sustainable way.
  • Demonstrated experience of collaboration in a diverse and inclusive team, working together toward technical excellence.

    • Compensation:

    The salary range for this position is $ - $ dependent upon experience and geographic location.

    At GFT
    , a privately held AEC firm, we innovate where transportation, water, power, and buildings converge. We call this the Infrastructure of Life.

    We measure our success by the strength of our relationships – that’s why we’re the employer of choice for 5,000+ of the industry’s brightest engineers, planners, architects, inspectors, designers, and more.

    Our clients choose us for our expertise and prefer us for our nimble approach, creativity, and personal touch. Backed by over a century’s experience, together, we’re building a lasting legacy for future generations: stronger communities, a healthier planet, and better lives.

    GFT:
    Ingenuity That Shapes Lives

    GFT is an Equal Opportunity Employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veterans’ status or other characteristics protected by law.

    Unsolicited resumes from third party agencies will be considered the property of GFT.

    Location:

    Toronto, Mississauga, or Ottawa, ON

    Employment Status:
    Full-Time

    Sponsorship for Canadian Work authorization is not available for this position.

    No relocation assistance will be provided for this position.

    Local candidates will be given preference.

    #LI-Hybrid
    #LI-MS1

    Position Requirements
    10+ Years work experience
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