Industrial Millwright/Operator - City of Ottawa, Ottawa
Posted: July 31, 2026
The City of Ottawa is hiring Industrial Millwright/Operators for full-time roles in water and wastewater treatment facilities. This vital position involves maintenance and operation of critical process equipment and systems across Ottawa, ON.
at a glance
- Employment Type
- Multiple Full-time Continuous and Temporary Positions
- Work Hours
- 40.00 hours per week
- Affiliation
- CUPE 503 - In/Out/NS Sal & Wage
- Salary Information
- $81,960.32 - $95,896.32 annually (2024 rates of pay)
- Location
- Ottawa, ON (Various Locations)
- Application Close
- 31/12/2026
- Department
- Infrastructure & Water Services Dept.
- Service
- Water Facilities & Treatment Services
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job description
The Opportunity
The City of Ottawa is seeking dedicated Industrial Millwright/Operators to join its Infrastructure & Water Services Department. This crucial role supports the City's commitment to providing a sustainable supply of high-quality drinking water and protecting the environment through effective wastewater treatment. If you are looking for jobs in Ottawa that make a tangible difference, this opportunity is for you.
As an Industrial Millwright/Operator, you will be integral to the operation and maintenance of essential water and wastewater treatment systems across various facilities in Ottawa, Ontario. This includes water purification plants, pumping stations, reservoirs, and wastewater treatment plants, ensuring the health and prosperity of the community.
Day-to-Day Responsibilities
Your daily tasks will involve planned, unplanned, and emergency inspection, testing, installation, maintenance, troubleshooting, and repair of process mechanical systems and equipment. This work is carried out in a regulated, quality-focused industrial environment, requiring close coordination with other skilled trades and engineering staff within the Water Facilities & Treatment Services branch.
Beyond mechanical duties, you will also operate various pieces of process equipment and adjust water or wastewater treatment system process parameters. This requires prior consultation and close coordination with other licensed operating staff, ensuring the continuous and efficient operation of critical water and wastewater infrastructure.
- Process chemical feed, metering, piping, and storage systems (e.g., sulphuric acid, sodium hypochlorite, aluminium sulphate, etc.)
- Raw water, treated drinking water, effluent water, and sanitary sewage screening, processing, metering, piping, pumping, and valve systems (ranging from fractional horsepower to several thousand horsepower)
- Sludge collection, transfer, and mixing systems
- Pressure and flow control valves
- Crane, rigging, and hoisting systems (up to 5 tons)
- Pumps, blowers, motors, engines, compressors, vacuum systems, gear boxes, clutches, turbines, and centrifuges
Skills and Experience
To excel in this role, candidates must possess a strong background in industrial maintenance and operations, coupled with specific certifications and a comprehensive understanding of relevant codes and procedures.
- Completion of Industrial Millwright apprenticeship program of 8000 hours
- Minimum of 5 years of experience as a licensed Industrial Millwright in a combination of both process-dependant industries and construction services, including demonstrated experience in the maintenance, troubleshooting, and repair of industrial and process mechanical equipment and the installation, construction, and commissioning of process mechanical and chemical feed systems.
Required Certifications and Licences:
- Valid Ontario Certificate of Qualification as Industrial Mechanic Millwright 433A
- Must obtain and maintain Ontario MOE Operator-in-Training Certificate within the applicable Drinking Water/Wastewater process area, within the timeframe determined by the employer
- Must obtain and maintain Ontario MOE Class 1 Operator Certificate within the applicable Drinking Water/Wastewater process area, within the timeframe determined by the employer
- Valid Ontario unrestricted G class driver’s licence (or provincial equivalent) with no more than 6 demerit points accumulated
- Valid Certified Cross Connection Control Specialist with Ontario Water Works Association (OWWA)
- Transportation of Dangerous Goods training certificate approved in Ontario
- Must obtain Mobile Crane Operator 0-8 ton (P930030) training certificate within the timeframe determined by the employer
- Must obtain Ontario unrestricted AZ class driver’s licence (or provincial equivalent) within the timeframe determined by the employer
- Must obtain Ontario unrestricted DZ class driver’s licence (or provincial equivalent) within the timeframe determined by the employer
- Must complete all required on-the-job training/certifications (e.g., WHMIS, fall arrest, confined space entry, etc.) within the timeframe determined by the employer.
Key Knowledge Areas:
- Canadian Building Code and Ontario Plumbing Code
- Relevant Ontario Ministry of the Environment and Climate Change (MOECC) acts, regulations, standards, and guidelines
- Relevant Ontario Ministry of the Labour (MOL) acts, regulations, standards, and guidelines
- Installation, inspection, testing, maintenance, and repair methods for process mechanical equipment (engines, pumps, motors, compressors, gearboxes, turbines, centrifuges, etc.)
- Installation, inspection, testing, maintenance, and repair methods for process piping, jointing, and valve systems
- Precision measurement, vibration, and alignment techniques and equipment
- Working knowledge of electrical, electronic, and instrumentation equipment and maintenance procedures
- Computer system applications pertinent to water and wastewater treatment and collection facilities, including SCADA Systems and Maintenance Management Systems
- Knowledge of operational, monitoring, and control functions associated with drinking water treatment and water pumping/storage processes, or wastewater treatment and collection processes is desirable
Essential Competencies, Skills, and Abilities:
- Ability to work effectively, both with others and independently
- Clear and concise communication skills, both oral and written, including completing technical reports
- Proficiency in performing trade-related preventive and corrective maintenance procedures
- Ability to operate small and large equipment (e.g., Person Lifts, Zoom Boom, Manitou, Forklift)
- Strong analytical, problem-solving, and decision-making skills
- A high degree of reliability, initiative, and strong judgement
- Physical ability to perform assigned tasks, including climbing ladders, scaffolds, and entering confined spaces
- Willingness to work outside of normal hours and utilize appropriate safety equipment
About the Company
The City of Ottawa's Water Services is dedicated to providing high-quality drinking water and protecting the environment through comprehensive wastewater treatment. Joining the City of Ottawa means contributing to essential public services that directly impact the well-being of residents.
The City of Ottawa promotes diversity and inclusion, adhering to the Canadian Human Rights Act and the Ontario Human Rights Code. They encourage applications from all qualified individuals and provide accommodation during the hiring process upon request.
frequently asked questions
What is the salary for this position?
The annual salary ranges from $81,960.32 to $95,896.32, based on 2024 rates of pay.
What type of employment is available?
The City of Ottawa is offering multiple full-time continuous and temporary positions for this role.
Where are the job locations?
This role is based in Ottawa, ON, with various locations including 1 Onigam Street, 2731 Cassels Street, and 800 Green's Creek.
Is a police record check required?
Yes, the successful candidate will need to complete a Criminal Records and Judicial Matters Check (Level 2) with the Police Services detachment in their jurisdiction.
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