Wastewater Treatment Operator

Position Details

• Department: Water & Wastewater Treatment
• Pay Range:
• Job Type: Contract < 1 Year
• Contract Duration: 11 Months, 30 Days
• Hours of Work: 40 hours per week
• Work Location: Mid-Halton Wastewater Treatment Plant - 2195 North Service Road West, Oakville
• Employee Group: CUPE 2620
• Posting Date: August 28, 2026
• Application Deadline: September 13, 2026

Job Summary

The Wastewater Treatment Operator will be responsible for operating, maintaining and inspecting wastewater treatment facilities and undertakes minor servicing of related equipment.

Duties & Responsibilities

• Monitors, analyses and adjusts process parameters.
• Performs standard laboratory process testing and maintains accurate records and logs.
• Participates on project teams and assists in the evaluation and implementation of technological improvements.
• Conducts facility tours for members of the public, schools, universities and Regional Council.
• Performs housekeeping, janitorial and other general maintenance duties.
• Performs other duties as assigned.

Skills & Qualifications

Essential

• A minimum of a secondary school diploma and a valid Ministry of Environment, Conservation and Parks (MECP) wastewater treatment license.
• Applicants must possess and maintain a valid MECP Wastewater Treatment Operator in Training (O.I.T) or higher (class 1 to 4) licence. A valid Operator in Training (O.I.T) is required and additional consideration will be given for all wastewater treatment plant experience.
• Strong mechanical aptitude, manual dexterity and computer literacy (Microsoft Word, Excel and Outlook).
• Initiative, the ability to work as a team and independently along with strong communication, problem solving and analytical skills.

Preferred

• Post-secondary school education in a related environmental field and with Ministry of the Environment, Conservation and Parks (MECP) wastewater treatment licensing (Levels 1 to 4).
• Knowledge, understanding and experience with the application of related legislation and acts (Occupational Health and Safety Act, Ontario Water Regulation Act, Safe Drinking Water Act, Environmental Protection Act).
• Familiarity with SCADA technology.
• Relevant experience in a laboratory or wastewater plant.

Working/ Employment Conditions

Working Conditions

• Flexibility in working hours is required to support 24/7 on-call and there may be periodic meetings and functions outside of regular business hours.
• The successful candidate will be required to maintain MECP operator license for Wastewater Treatment.
• The incumbent must be able to perform all the necessary physical tasks associated with the position including lifting, bending, kneeling, crawling, climbing ladders, working from scaffolding and heights.
• The ability to work in confined spaces and oversee and perform designated duties in inclement weather is also required.
• The incumbent will be required to safely handle designated substances, including caustic and acidic chemicals.
• Personal Protective Equipment (PPE) must be worn at all times.
• Training and relevant PPE will be provided.
• Wastewater activities also involve working in unsanitary or odorous conditions at times.

Employment Conditions

• Current (obtained within the past six (6) months), original and acceptable Criminal Records Check, by the first day of employment.
• The incumbent will be required to drive a regional vehicle, a copy of their valid G driver’s license and a driver’s abstract will be submitted by the first day of employment.

Important Information About Your Application

In accordance with requirements in Ontario Regulation 191/11 – Integrated Accessibility Standards and the Ontario Human Rights Code, Halton Region will accommodate the needs of individuals with disabilities throughout the recruitment process. If you require accommodation at any stage of the recruitment process, please inform the Talent Acquisition representative of the nature of the accommodation(s) you require.

Please submit your application online. We will accommodate individual needs for applicants with disabilities and others who are not able to apply online. If you experience any issues with submitting your application, please contact HR Access at 905-825-6000 extension 7700.

Applications will be accepted until 11:59 p.m. on the deadline date specified on the posting.

We encourage applications from all qualified individuals; however, only those under consideration will be contacted.

Personal information collected through the job application process will only be used for the purpose of determining qualifications for employment.

If selected for an interview, you will be contacted by email and/or phone. Please ensure the contact information provided on your resume is up to date and that you check your email and voicemail regularly.