Talent.com
Aecon
STP Operator (Unionized)Aecon • Bowmanville, ON, CA
STP Operator (Unionized)

STP Operator (Unionized)

Aecon • Bowmanville, ON, CA
30+ days ago
Job type
  • Full-time
Job description

What is the Opportunity?

As part of an alliance agreement, Aecon has been awarded a contract in an Aecon-led partnership with Kiewit Nuclear Canada by Ontario Power Generation (OPG) for the execution phase on the Darlington New Nuclear Project (DNNP) in Clarington, Ontario. In 2025, Aecon began the Construction of the Unit 1 Small Modular Reactor at the Darlington site.

Job Summary

The STP Operator is responsible for operating and monitoring the Separation & Treatment Plant to efficiently separate solids, oil, and contaminants from wastewater generated during construction and tunnelling activities. The role ensures safe operation, environmental compliance, and continuous plant availability to support site operations.

Key Responsibilities – Plant Operation

  • Operate and monitor separation and treatment units including settling tanks, separators, hydrocyclones, clarifiers, oil-water separators, and chemical dosing systems.
  • Control pumps, valves, mixers, and conveyors to maintain steady plant throughput.
  • Adjust flow rates, pressures, and dosing to optimize separation efficiency.

Monitoring & Quality Control

  • Monitor inlet and outlet water quality (pH, turbidity, suspended solids, oil content).
  • Take routine samples and maintain operational logs.
  • Ensure treated water meets discharge or reuse requirements.

Solids & Waste Handling

  • Manage sludge, separated solids, and oil waste.
  • Operate dewatering units and monitor cake quality.
  • Coordinate waste disposal as per environmental regulations.

Health, Safety & Environment (HSE)

  • Follow all site safety and environmental procedures.
  • Handle chemicals safely using proper PPE.
  • Prevent spills, overflows, and environmental incidents.

Reporting & Coordination

  • Report daily operations, downtime, and issues to the Supervisor.
  • Coordinate with TBM, slurry, dewatering, and site teams.
  • Support inspections by the client or authorities.

Reason for vacancy: New

Pay Rage:

Per the HCAT Collective Agreement:

Effective May 1, 2025: $51,44/hr

Effective May 1, 2026: $52.80/hr

Effective May 1, 2026 $54.39/hr

We strongly encourage applicants who identify as Indigenous to apply to work with us on the Darlington New Nuclear Project. At Aecon, Indigenous is an umbrella term for First Nations (status and non-status), Metis and Inuit.

Create a job alert for this search

STP Operator (Unionized) • Bowmanville, ON, CA

Similar jobs

CNC Planer Mill Operator

American Heavy PlatesClarington, Ontario, Canada
Full-time

Performs routine machining tasks on CNC planer mill.Understand dimensional tolerances.Adjust feeds and speeds accordingly.Knowledge of layouts and part setups.Able to use micrometers and calipers.A... Show more

 • Promoted

Occupational Therapist

ParaMedKawartha Lakes
Full-time +1

Job DescriptionFull-time, Part-time, Job Sharing and Independent Provider/ContractorHiring Occupational TherapistsIn this role of Occupational Therapist, you will provide community visits to assess... Show more

 • Promoted

Occupational Therapy Assistant (Casual) - Bethany Riverview

BethanyseniorsBethany, ON, CA
Full-time

As a key member of our healthcare team, you will provide compassionate and client-focused quality care to individuals in a beautiful homelike setting.You are focused on the resident experience, not... Show more

 • Promoted

OPEN: Pipe Wall Thinning Specialist

Cpus Engineering Staffing Solutions Inc.Bowmanville, Durham region, Canada
Full-time

We are currently requesting resumes for the following position.Tuesday, November 05, 2024 (5:00PM EST).Holt Road, Bowmanville, L1C 3Z8 (Hybrid: 1-2 days remote per week).Provide Technical support f... Show more

 • Promoted

Sr Scheduler - Kiewit Power Constructors

KiewitClarington, Ontario, Canada
Full-time

Kiewit Power Constructors District.As a Senior Scheduler, you will work closely with engineering and construction teams to develop, manage, and maintain comprehensive project schedules.This role is... Show more

 • Promoted

TRUCK & COACH TECHNICIANS & APPRENTICES

Kenworth Truck CentresBowmanville, Durham region, Canada
Full-time

We have openings NOW for licensed 310T Truck and Coach Technicians for our Bowmanville Location.We are expanding and have flexible shifts available to suit your needs!.Help fulfill our growing cust... Show more

 • Promoted

STP Operator (Unionized)

Aecon Group Inc.Bowmanville
Full-time

As part of an alliance agreement, Aecon has been awarded a contract in an Aecon-led partnership with Kiewit Nuclear Canada by Ontario Power Generation (OPG) for the execution phase on the Darlingto... Show more

 • Promoted

Independent Contractor - Shopper and Delivery Driver

Instacart Shopperslindsay, on, Canada
Part-time

Start earning money fast and be your own boss.Instacart is a leading retail enablement platform that works with grocers and retailers to transform how people shop.Instacart’s platform helps people ... Show more

 • Promoted

Direct Support Professional - Permanent Part-time

Karis Disability ServicesLindsay, ON, CA
Full-time +2

Direct Support Professional - Permanent Part-time.Direct Support Professional in Lindsay, ON - Permanent Part-time 16 hours per week rotation including every other weekend and afternoon shifts.Full... Show more

 • Promoted

Intermediate Structural Engineer - Buildings

CIMABowmanville, Durham Region, CA
Full-time +1

Welcome to a commitment to sustainable development you can relate to.Welcome to people who like people, to brilliant minds, tomorrow’s visionaries, challenge seekers, collaborators, and those with ... Show more

 • Promoted

Skin Wellness Associate Nurse

Saint ElizabethLindsay, ON, CA
Full-time

Make an Impact on People’s Lives; Join SE Health as a SWAN Nurse to work in Kawartha Lakes, Peterborough and Haliburton area.As a member of the Wound Ostomy Continence (WOC) team, the Skin Wellness... Show more

 • Promoted

CAD / PLM Manager

Horizon AircraftLindsay, Ontario, Canada
Full-time

A career at Horizon is for those who want to do something extraordinary, yet with meaningful purpose.We take pride in pushing the boundaries of technology and customer experience to deliver somethi... Show more

 • Promoted

Packaging Operator- Royal Canin (Guelph, On)$3,000 Sign-On Bonus - C$23.6 - C$31.3 An Hour

MarsCourtice, Canada
Full-time

Operates and monitors packaging machinery, performs quality control, and leads packaging teams to ensure efficient production and adherence to safety and quality standards. Show more

 • Promoted

Senior Nuclear Steel Structural Engineer - C$95,000 - C$140,000 A Year

Construction firmClarington, Canada
Full-time

Seeking a Senior Nuclear Steel Structural Engineer for a large-scale nuclear project in Ontario, focusing on structural steel design and nuclear safety standards. Show more

 • Promoted

Skin Wellness Associate Nurse

SE HealthLindsay, ON, CA
Full-time

Make an Impact on People’s Lives; Join SE Health as a SWAN Nurse to work in Kawartha Lakes, Peterborough and Haliburton area.As a member of the Wound Ostomy Continence (WOC) team, the Skin Wellness... Show more

 • Promoted

Trim Carpenter

Champion Home Builders, Inc.Lindsay, Ontario, Canada
Full-time

Production Worker - Trim Carpenter.Manufactured Mobile Home - Industry Leader.Champion Home Builder, Inc is seeking to hire a.Join our team as we build the next chapter in our company’s continued g... Show more

 • Promoted

Sorter (Afternoons)

The Staffing ConnectionLindsay
Full-time +1

We are seeking hard-working individuals to join our factory team in.In this role, Sorters will be responsible for assisting in the manufacturing of various parts and components, with tasks such as:... Show more

 • Promoted

Sanitation Associate

Mariposa Dairy LtdLindsay, ON, CA
Permanent

Lindsay Facility - 201 St George Street, 201 St.George Street, Lindsay, Ontario, Canada.Posted Friday, June 19, 2026 at 4:00 AM.Mariposa Dairy is a leading manufacturer of award-winning cheeses bas... Show more

 • Promoted

NOC Shift RN Supervisor

Pikes Peak Post AcuteLindsay, ON, CA
Full-time

The primary responsibility of the RN Supervisor is to supervise the day‑to‑day nursing activities of the facility during your tour of duty.Such supervision must be in accordance with current federa... Show more

 • Promoted

Sr. Steel Structural Engineer - C$95,000 - C$140,000 A Year

AeconBowmanville, Canada
Full-time

Seeking a Senior Steel Structural Engineer to provide technical expertise for steelwork design packages on the Darlington New Nuclear Project, ensuring constructible, safe, and compliant designs. Show more