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Industrial Millwright/Operator (Inventory)



Requisition ID: 6387  
Department: Infrastructure & Water Services Department  
Service: Water Linear & Customer Services  
Branch: Wastewater Collection Branch 
Employment Type: Multiple Full-time Permanent and Multiple Full-time Temporary (up to 2 years) 
Work Hours: 40.00 hours per week
Affiliation: CUPE 503 Inside/Outside 
Salary Information: $80,352.48 - $94,016.00  annually (2023 rates of pay)
Location: Various Locations  
City: Ottawa, ON 
Job Category: Maintenance and Trades 
Application Close: 30/06/2023


The mandate of Water Services is to provide treatment and distribution of a sustainable supply of high-quality drinking water and is committed to protecting the environment by collecting and treating wastewater for the health and prosperity of Ottawa. 

You are responsible for planned, unplanned and emergency inspection, testing, installation, maintenance, troubleshooting and/or repair of process mechanical systems and equipment within Water Services’ water treatment, supply and storage facilities (including the Water Purification Plants, pumping stations, reservoirs, elevated tanks, metering facilities and well treatment systems) or wastewater treatment and collection facilities (including Wastewater treatment plant, remote pumping stations, odour control facilities, regulators, lagoons, valve chambers, storage tanks). 

These duties are carried out in an industrial, production, regulated and quality focused environment and, as such, must be completed in consideration of and in close coordination with other engineering, skilled trade and maintenance staff in the Branch.

As a licensed water treatment, wastewater treatment and/or wastewater collection system operator, you are also responsible for operating various pieces of process equipment (in Drinking Water this spans water treatment, distribution and supply process equipment and in Wastewater this spans wastewater treatment and collection process equipment) and/or adjusting various water or wastewater treatment system process parameters, after prior consultation with and in close coordination with other licensed operating staff in the Branch.

Note these systems and equipment include, but are not limited to:  process chemical feed, metering, piping and storage systems (e.g. sulphuric acid, sodium hypochlorite, aluminium sulphate, sodium silicate, sodium bisulphite, sodium hydroxide, potassium permanganate, hydrofluorosilicic acid, aqueous ammonia, etc.), raw water, treated drinking water, effluent water and sanitary sewage screening, processing, metering, piping, pumping and valve systems (fractional horsepower to several thousand horsepower, 6mm to 2450m dia or 4500mm x 3600mm), 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 (fractional horsepower to several thousand horsepower). The equipment may or may not be drained, evacuated or energized, during the work, and is located in a variety of locations including chemical feed and storage areas, electrical equipment rooms, machine rooms, generator rooms, pump rooms, valve rooms and chambers, confined spaces, elevated tanks, above and below grade chambers, tanks and reservoirs, outdoor power substations, office areas, etc.


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.


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. 


  • Canadian Building Code
  • 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
  • Branch, Departmental, Unit and Section roles and responsibilities
  • Relevant City, Branch, Departmental, Unit and Section procedures, policies, manuals and processes 
  • City Purchasing Bylaw and policies as related to authorized purchases and responsibilities
  • CVOR Vehicle Requirements, as identified by the Province
  • Metal pipe, tube and plate heating, forming, cutting, welding, soldering, brazing and jointing tools, methods and techniques
  • No-metal pipe and tube bending, forming, cutting, fusing, bonding and jointing tools, methods and techniques
  • Installation, inspection, testing, maintenance and repair methods and procedures for small to large (fractional to several thousand horsepower) process mechanical equipment including engines, pumps, motors, compressors, gearboxes, turbines, centrifuges, etc.
  • Installation, inspection, testing, maintenance and repair methods and procedures for small to large (6mm to 2450m diameter and 4500mm x 3600mm) process piping, jointing and valve systems, etc.
  • Precision measurement, vibration and alignment techniques and equipment
  • Math concepts applicable to the trade
  • Working knowledge of electrical, electronic and instrumentation equipment, materials and maintenance procedures
  • Computer system applications pertinent to water and wastewater treatment and collection facilities including SCADA Systems and Maintenance Management Systems
  • MS Office and Outlook
  • Knowledge of applicable health and safety legislation, including the rights and duties of workers
  • Knowledge of TSSA rules & regulations
  • 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


  • Work effectively, with others and independently
  • Communicate clearly and concisely, both orally and in writing, including completing technical, test and other reports or forms
  • Perform trade related preventive and corrective maintenance procedures
  • Able to operate small and large equipment (e.g. Person Lifts, Zoom Boom, Manitou, Forklift etc.)
  • Analyze, identify, prioritize and solve problems quickly and effectively
  • Use a wide range of hand tools, heating, cutting and welding tools, machine shop tools, measurement tools and testing equipment
  • Make precise and accurate measurements layouts
  • Accurately read, interpret and mark-up technical drawings
  • Clearly sketch mechanical schematics and installations
  • Understand and effectively utilize new information for problem-solving and decision-making
  • Good organizational skills
  • Readily establish effective interpersonal relationships
  • Alertness, dependability, punctuality
  • Work well under pressure 
  • Shows initiative, strong judgement and a high degree of reliability
  • Physical ability to perform assigned tasks, including climbing ladders, scaffolds and elevated tanks, entering confined spaces
  • Willingness to work outside of normal hours
  • Utilize appropriate or specialized PPE and safety equipment such as SCBA, rescue equipment, personal gas monitors and fall protection


  • Language Requirement: English oral, reading, writing       
  • Police Record Check: The successful candidate will be required to complete a Criminal Records and Judicial Matters Check with the Police Services detachment in their jurisdiction to the City of Ottawa’s satisfaction.; Police record checks completed by a third-party company will not be accepted.  
  • You may initially be paid 95% of your starting rate of pay, in accordance with the collective agreement.
  • Please save a copy of the job poster. Once the closing date has passed, it will no longer be available. 


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 women, people with disabilities, Aboriginal peoples and persons of all races, ethnic origins, religions, sexual orientations, and gender identities and expressions.


The City of Ottawa provides accommodation during all parts of the hiring process, upon request, to applicants with disabilities. 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 HR Service Centre at 613-580-2424, extension 47411.