Wastewater Treatment Operator

Job Summary

Service Area: Infrastructure, Development, and Environment Department: Environmental Services Division: Wastewater Services
Work Location: Wastewater Services, 530 Wellington Street W Work Mode: In Person Job Type and Duration: Permanent, Full Time Vacancy Position Availability: 1 vacant position(s)
Salary Range: OIT: $34.49 per hour Level 1-4: $28.01 - $41.31 per hour
Affiliation: CUPE Local 241 Posting Period: February 19, 2026 to March 5, 2026 11:59 p.m.

When you join the City of Guelph, you join a team of over 2000 employees who deliver services the community relies on every day. Together, we are bringing to life Guelph’s vision of an inclusive, connected, and prosperous city where we look after each other and our environment. As a single tier municipality, we offer a variety of occupations and career specialities within our organization.

Guided by the goals and objectives of the Future Guelph:
Strategic Plan and committed to the Corporate Values of integrity, service, inclusion, wellness and learning, the candidate will aid in the achievement of the Community Vision for an inclusive, connected, prosperous city.

We offer competitive wages and comprehensive benefits to meet the needs of our diverse employees. Many of our positions offer:

• Paid vacation days, increasing with years of service
  • Paid personal days;
• Hybrid and flexible work arrangements;
• Defined benefit pension plan with OMERS, including 100-per-cent employer matching;
• Extended health and dental benefits, including Health Care Spending Account;
• Employee and Family Assistance Program;
• Parental leave top up program;
• Learning and development opportunities including tuition assistance
• Employee recognition programs.

Resumes are being accepted for the position of Wastewater Treatment Operator in the Wastewater Division within the Environmental Services Department. Reporting to the Wastewater Treatment Supervisor the successful candidate will use your knowledge of wastewater treatment to make data based decisions for effective process control. You will demonstrate excellent leadership and organizational skills with an emphasis on compliance with the facilities Environmental Compliance Approval as well as the Biosolids land application program requirements.

Guided by the goals and objectives of the City’s Strategic Plan and committed to the Corporate Values of integrity, service, inclusion, wellness and learning, the candidate will aid in the achievement of the Vision for an inclusive, connected and prosperous city.

• Upon fulfilling licensing requirements, assumes the duties and responsibilities of an Operator In Charge (OIC) as defined by O.Reg 129/04
• Take all steps reasonably necessary to operate the processes within their responsibility in a safe and efficient manner in accordance with the relevant operations manuals
• Ensure that the processes within their responsibility are measured, monitored, sampled and tested in a manner that permits them to be adjusted when necessary
• Ensure that records are maintained of all adjustments made to the processes within their responsibility
• Ensure that all equipment used in the processes within their responsibility is properly monitored, inspected and evaluated and that records of equipment operating status are prepared and available at the end of every operating shift.
• Participate in an acting lead role as required
• Communicate critical process control information immediately to Supervisor and advocate for support when required.
• Participate and provide operational feedback in process control meetings
• Perform process calculations and interpret results for appropriate process control adjustments.
• Utilizing SCADA as well as the facilities data management program, monitor process trends to determine cause and effect relationships possibly indicating an area for further study.
• Monitor unit process performance as well as plant performance with Environmental Compliance Approval.
• Conduct, document and present special studies to determine impacts of process changes.
• Use data and understanding of unit processes to develop standard…