
Requisition ID: 23785
Department: Infrastructure & Water Services Dept.
Service: Water Facilities & Treatment Services
Employment Type: Multiple Full-time Permanent and Multiple Full-time Temporary (up to 2 years)
Work Hours: 42.00 hours per week
Affiliation: CUPE 503 - In/Out/PCC/WF 12hr Shift
Salary Information: $77,010.02 - $90,103.10 annually (2024 rates of pay)
Location: Lemieux Island, 1 River Street/Brit Plant, 2731 Cassels Street
City: Ottawa, ON
Job Category: Maintenance and Trades
Application Close: 22/10/2026
The Water Facilities & Treatment Services operate and maintain the City's two water purification plants and the corresponding East or West remote pumping stations, reservoirs and communal well systems.
As the Process Operator you are responsible for operating, monitoring, adjusting and troubleshooting various plant chemical processes for the purification of water at either of the City’s water purification plants to ensure compliance with all applicable water treatment regulations, policies, procedures and federal, provincial and City guidelines.
You are the Operator-In-Charge of either of the City’s water treatment chemical systems, in accordance with O. Reg. 128/04. You have primary responsibility for the identification, mitigation, management of process upsets and emergency situations associated with the plant’s chemical feed and control systems, and are responsible for reporting upsets and emergency situations to the Process Supervisor, in accordance with plant procedures. You also assist the Process Supervisor in the mitigation and management of emergency process and environmental situations in all other areas of the plant.
The Process Operator-in-Training is responsible for performing some or all of the duties of the Process Operator job, under the direction of the supervisor.
Completion of 3 year community college diploma in Engineering Technology, preferably with emphasis in environmental, water treatment, chemical or biochemical technology
Minimum of 1 year of environmental, water treatment, industrial or chemical process related work experience in an industrial, production or laboratory environment
Process Operator must possess and maintain Ontario MOE Class 1 Drinking Water Treatment Operator Certificate; Class 2 certificate is desirable
Process Operator-in-Training must obtain Ontario MOE Operator-in-Training Drinking Water Treatment Operator Certificate and Class 1 Drinking Water Treatment Operator Certificate within the timeframe determined by the employer
The terms “Basic”, “Intermediate” and “Advanced”, as noted above, refer to terms, scope and level of topic mastery, as defined by the MOE certification document entitled “Water Treatment Need to Know Guide”, most current edition. Applicants will be required to demonstrate their degree of knowledge/mastery, of the topics noted above, in general accordance with this document.
We wish to thank all applicants for their interest and effort in applying for this position. Only candidates selected for interviews will be contacted.
The City of Ottawa promotes the principles of diversity and inclusion and adheres to the tenets of the Canadian Human Rights Act and the Ontario Human Rights Code. We encourage applications from members of Indigenous, Black and other racialized communities, persons with disabilities, women and non-binary persons, persons of all ethnic origins, religions, sexual orientations, classes, gender identities and expressions.
Candidates are encouraged to self-identify as a member of one or more designated employment equity groups in the self-identification questionnaire.
The City of Ottawa provides accommodation to applicants during all parts of the hiring process, upon request. If contacted to proceed to the selection process, please advise us if you require any accommodation.
Accessible formats and communication supports are available upon request. Please contact the Employee Service Centre at 613-580-2424 extension 12211 or via email at esc-cse@ottawa.ca.

The City of Ottawa offers a diverse range of career options. City employees work across 110+ business lines to deliver one thing: excellent service to Ottawa’s residents, businesses and visitors.
Whether you want to work in IT, recreation, accounting, engineering, customer service, project management, the trades, emergency services, health care or more, you can find what you're looking for at the City. Visit ottawa.ca/jobs to view all career opportunities.
La Ville d’Ottawa offre un large éventail de choix de carrières. Les membres du personnel de la Ville travaillent dans plus de 110 secteurs d’activité pour offrir un excellent service aux résidents, aux entreprises et aux visiteurs d’Ottawa.
Que vous vouliez travailler dans les technologies de l’information, les loisirs, la comptabilité, le génie, le service à la clientèle, la gestion de projet, les corps de métier, les services d’urgence, les soins de santé ou ailleurs, vous trouverez ce que vous cherchez à la Ville. Consultez ottawa.ca/emplois pour voir toutes les possibilités d’emploi.