Supervisors: Petroleum, Gas and Chemical Processing and Utilities

NOC 9212


Supervisors in this unit group supervise and co-ordinate the activities of workers in the following unit groups:

  • Petroleum, Gas and Chemical Process Operators (9232),
  • Power Engineers and Power Systems Operators (9241),
  • Water and Waste Treatment Plant Operators (9243),
  • Chemical Plant Machine Operators (9421) and
  • Labourers in Chemical Products Processing and Utilities (9613).

They are employed by petroleum and natural gas processing, pipeline and petrochemical companies, chemical and pharmaceutical companies, electric power utilities, water and waste treatment utilities and in a range of other industries and institutions.


  • Supervise, co-ordinate and schedule the activities of workers who operate petroleum refineries, chemical plants, water and waste treatment plants and equipment, pipelines, heating plants and power stations and systems
  • Identify, investigate, correct and document potential environmental and safety problems
  • Establish methods to meet work schedules and co-ordinate work activities with other departments
  • Resolve work problems and recommend measures to improve productivity and product quality
  • Provide information for maintenance plans to ensure that maintenance and production objectives are met
  • Requisition materials and supplies
  • Train staff in job duties, safety procedures and company policy
  • Recommend personnel actions such as hiring and promotions
  • Prepare production and other reports and develop and manage operating budget for area of responsibility
  • May also supervise, co-ordinate and schedule the activities of trades workers, labourers or other workers.

Other Titles

  • chemical processing supervisor
  • paint processing foreman/woman
  • pipeline operations supervisor
  • cosmetics processing foreman/woman
  • natural gas plant foreman/woman
  • chemical unit foreman/woman
  • pharmaceuticals production supervisor
  • power station supervisor
  • sewage treatment plant supervisor
  • specialty chemicals production supervisor
  • water purification plant foreman/woman
  • petroleum refining supervisor

(Government of Canada National Occupation Classification)


  • Verbal & written communication
  • Problem solving
  • Numeracy
  • Attention to detail
  • Leadership
  • Organization
  • Time management

Education/Training Requirements

Ontario Secondary School Diploma (OSSD)

  • Completion of secondary school is required

Post-secondary diploma/degree

  • Post-secondary education in chemical processing or sciences may be required for some occupations in this unit group


  • Several years of experience as a senior operator in the same company or plant are usually required
  • Some occupations in this unit group may require a specific license or certification, such as a power engineer license, refrigeration certification or wastewater treatment certification
  • Solid waste, landfill or compose facility operator certification may be required

Potential Earnings in Durham Region

The average and median wages and salaries for individuals employed as supervisors in the petroleum, gas and chemical processing and utilities unit groups are as follows. Place of Residence (POR) is defined as individuals who reside within the Durham Region. Place of Work (POW) is defined as individuals who are employed within the Durham Region.

Median Wages and Salaries (POR) Average Wages and Salaries (POR) Median Wages and Salaries (POW) Average Wages and Salaries (POW)
$100,573 $111,800 $121,064 $128,145


Employment Prospects

Industry (NAICS) Jobs in Durham Region (POW) Durham Region Residents Employed (POR)
2211 Electric power generation, transmission and distribution 300 275

(Ministry of Advanced Education and Skills Development 2016 data in Durham Workforce Authority’s 2017 Sector Report)

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