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Apply By: Wednesday, September 2, 2026 11:59 pm EDT

Water and Wastewater Technician

Job ID:

248447

Posting status:

Open

Organization:

Ontario Clean Water Agency

Division:

Operations, South Peel Region

City:

Mississauga

Position(s) language:

English

Job term:

1 Permanent

Job code:

40402P - Waste and Water Project Operator 1 Peel

Salary:

$34.08 - $37.21 Per hour* (plus pay for water and wastewater certification)
*Indicates the salary listed as per the OPSEU Collective Agreement.

Water is our business and our passion. It can be yours too. The water professionals at OCWA know the value of water better than anyone. Our work benefits communities across Ontario every day.
Our job (and possibly yours) is also to return treated and safe water back to our lakes and rivers. At OCWA, we have a deep respect for the environment and our responsibility for the health of the communities we serve drives us.

A job at OCWA is an opportunity to make a positive impact on millions—a big responsibility. Are you ready? We think you are. So come on in. The water is perfect.

• Note- Operator in Training (OIT) candidates will be paid at the underfill rate - $26.51 - $28.14.

About the job

In this role, you will be responsible for the optimal operation of a technologically complex and advanced Class 4 Water Treatment facility with a rated capacity of 1200 mega liters per day, which supplies drinking water to several municipalities. This requires knowledge of various treatment processes including Ultrafiltration Membranes, Ultraviolet Light Disinfection, Biologically Active Carbon Contactors, Conventional Treatment, and various chemical systems. Working on a rotating shift schedule, as part of your operational duties this position ensures the safe and efficient operation of all systems required to operate water facilities to meet regulatory compliance, contractual obligations, and protect the health of residents and environment.

Equipped with personal protective equipment you will need to be able to work in all weather conditions, in confined spaces, dirty and/or noisy environments and have physical dexterity. In water / wastewater facilities, physical dexterity includes but is not limited to: walking, standing, sitting, lifting floor to waist, lifting waist to shoulder, kneeling, crouching, bending, twisting, stair climbing, ladder climbing, pushing, pulling, carrying, handling, fingering, reaching forward, reaching overhead.

What you bring to the team

Mandatory requirements

• Class 1 certification in Water Treatment (may consider lesser qualified candidates as underfill - minimum Operator-in-Training (OIT), as specified in O.Reg. 128/04 of the Safe Drinking Water Act).
• Valid Class G driver's license.
• Must be available to be on-call after regular working hours.
• Must be willing to work shifts.

Knowledge

• Applied knowledge of the operation and maintenance of advanced water treatment plants, with conventional treatment, ozone oxidation, use of liquid oxygen, oxygen, Ultraviolet disinfection, ultrafiltration membranes, advanced oxidation, Granular Active Carbon and Biological Active Carbon Contractors.
• General knowledge of industrial processes and maintenance and repair of a variety of equipment and structures such as hydraulic, electric and mechanical plant equipment such as gauges, pumps, valves, fittings, piping, tanks, heating boilers, incinerators, hydraulic ram pumps, centrifuges, air blowers, screens and conveyors and sufficient to operate, inspect, clean, and maintain them by conducting scheduled readings and recordings; monitoring local process conditions and equipment operations (flow rates, temperatures and pressures).
• Familiarity with the requirements of the Occupational Health and Safety Act and its regulations for the safe performance of his/her duties. Knowledge of occupational hazards and standard safety precautions including storage of chemicals, confined space entry, equipment lockout/tagging and personal protective equipment.
• Knowledge of basic mathematics in order to make calculations regarding chemicals and operating processes.
• Familiarity/competency with computerized monitoring systems such as SCADA, Computerized Maintenance Management Systems (CMMS) and overall computer literacy to record data from inspections and monitoring activities to complete work orders, project forms to initiate repairs for maintenance.
• Working knowledge of basic chemistry, biology, thermodynamics and hydrology and be able to apply these principles to operational activities and process adjustments.

Skills and Ability

• Analytical and evaluative skills to identify and correct operating discrepancies; to trace abnormal conditions or noise; to report major deviations or conditions that don't respond to normal corrective actions; and to determine from several choices the method to restore normal operating conditions.
• Good oral communication and interpersonal skills to liaise with clients and mentor/train new staff.
• Good problem solving skills to report equipment problems or malfunctions in order to ensure urgency of the problem is conveyed and understood, and to receive direction for corrective response.
• Good written communication skills to write reports and maintain neat and accurate records.
• Ability to work well in a team, and to take initiative when required.
• Ability to read and interpret blueprints engineering drawings and follow process drawings to aid in troubleshooting equipment problems.
• Ability to use and understand operating and maintenance manuals, and other technical specifications. A demonstrated interest in continuous learning.
• Equipped with personal protective equipment ability to work in all weather conditions, in confined spaces, dirty and/or noisy environments and have physical dexterity. In water / wastewater facilities, physical dexterity includes but is not limited to: walking, standing, sitting, lifting floor to waist, lifting waist to shoulder, kneeling, crouching, bending, twisting, stair climbing, ladder climbing, pushing, pulling, carrying, handling, fingering, reaching forward, reaching overhead.

The Ontario Clean Water Agency is an inclusive employer. We will accommodate your needs under the Ontario Human Rights Code

The Ontario Clean Water Agency is an agency of the Province of Ontario, reporting to the Ministry of the Environment, Conservation and Parks. As the largest provider of water and wastewater services in Canada, we manage over 800 facilities from small well systems and lagoons to large water and wastewater treatment plants. Consider this opportunity if you are a motivated, team oriented individual seeking a career in the water and wastewater industry.

We thank you for your interest, and we will only contact you if we choose you for further screening or an interview.

What's in it for you?

• Flexible learning and development opportunities
• Opportunities for career advancement and specialization with the largest provider of water and wastewater services in Ontario.
• A wide-ranging compensation structure focused on pay for certification, on-call pay, call-back pay, over-time and Overall Responsible Operator (ORO) pay.
• Work with the partner of choice for more communities than any other water and wastewater service organization in Ontario for over 30 years.
• Work with an organization committed to innovation and advanced technology.
• A defined benefit pension plan; comprehensive health plan; life and disability insurance.
• Maternity and parental leave top-up benefits including for adoptive parents.

How to Apply:

All applications are to be submitted through our recruitment system – Workday.

Click the link below to create an account, upload your resume and cover letter, and submit your application.


When applying, please ensure the following:
1. OPS employees must include their WIN employee ID number on their application.
2. If applicable, indicate the type of water or wastewater certificate you hold, along with the corresponding license/certification number(s) in the appropriate section of the application.

How we support diversity, inclusion and accessibility

OPS/OCWA's commitment to diversity, inclusion, accessibility, and anti-racism:
We are committed to build a workforce that reflects the communities we serve and to promote a diverse, anti-racist, inclusive, accessible, merit-based, respectful and equitable workplace.
We invite all interested individuals to apply and encourage applications from people with disabilities, Indigenous, Black, and racialized individuals, as well as people from a diversity of ethnic and cultural origins, sexual orientations, gender identities and expressions.
Visit the OPS Anti-Racism Policy and the OPS Diversity and Inclusion Blueprint pages to learn more about the OPS commitment to advance racial equity, accessibility, diversity, and inclusion in the public service.

We offer employment accommodation across the recruitment process and all aspects of employment consistent with the requirements of Ontario's Human Rights Code. Refer to the application instructions below if you require a disability-related accommodation.

Additional information:

Apply by:

Wednesday, September 2, 2026 11:59 pm EDT

Position details:

• 1 English Permanent, 2307 Lakeshore Rd W, Mississauga, Central Region

Compensation group:

Ontario Public Service Employees Union

Work hours:

Schedule 4,7

Category:

Environment

Posted on:

Wednesday, August 19, 2026

Note:

• C-AQ-248447%2F26

Language requirements and assessment:
All external Ontario Public Service (OPS) job ads are posted in English and French. Check the "position(s) language" section at the top of each job ad for the language requirements. For all roles, candidates are assessed in English, the business language of the OPS. If the position is bilingual (English/French), you'll also need to pass a French-language proficiency test.

Exigences en matière de langue et évaluation:
Toutes les offres d'emploi externes de la fonction publique de l'Ontario (FPO) sont affichées en français et en anglais. Consultez la section « Langue du ou des postes » en haut de chaque offre d'emploi pour connaître les exigences linguistiques. Pour tous les postes, les candidats sont évalués en anglais, la langue d'affaires de la FPO. Si le poste est bilingue (anglais/français), vous devrez également passer un test de compétences linguistiques en français.

All external applicants (including former employees of the Ontario Public Service) applying to a competition in a ministry or Commission public body must disclose (either in the cover letter or resume) previous employment with the Ontario Public Service. Disclosure must include positions held, dates of employment and any active restrictions as applicable from being rehired by the Ontario Public Service. Active restrictions can include time and/or ministry-specific restrictions currently in force, and may preclude a former employee from being offered a position with the Ontario Public Service for a specific time period (e.g. one year), or from being offered a position with a specific ministry (either for a pre-determined time period or indefinitely). The circumstances around an employee's exit will be considered prior to an offer of employment.

Information collection notice

We are collecting your personal information to assess how well you meet the qualifications for employment with the Ontario Public Service, and for related recruitment purposes. The collection of personal information is necessary to the proper administration of OPS Careers, which is an authorized common service in accordance with s. 6 of the Ministry of Government Services Act, R.S.O. 1990, c. M.25.

Please do not include any more personal information than is needed for your application (for example, do not include your photograph or social insurance number).

If you have any questions about how your information is collected, used, shared or saved, please contact us.

Strengthening Ontario, together