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NOC 2021 Version 1.0


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92011 – Supervisors, petroleum, gas and chemical processing and utilities

Supervisors in petroleum, gas and chemical processing and utilities supervise and coordinate the activities of workers in the following unit groups: Central control and process operators, petroleum, gas and chemical processing (93101), Power engineers and power systems operators (92100), Water and waste treatment plant operators (92101), Chemical plant machine operators (94110) and Labourers in chemical products processing and utilities (95102). 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.


Example titles

  • Chemical processing supervisor
  • Cosmetics processing foreman/woman
  • Natural gas plant foreman/woman
  • Paint processing foreman/woman
  • Petroleum refining supervisor
  • Pharmaceuticals production supervisor
  • Pipeline operations supervisor
  • Power station supervisor
  • Sewage treatment plant supervisor
  • Specialty chemicals production supervisor
  • Water purification plant foreman/woman

Main duties

This group performs some or all of the following duties:
  • Supervise, coordinate 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 coordinate 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 hirings and promotions
  • Prepare production and other reports and develop and manage operating budget for area of responsibility
  • May also supervise, coordinate and schedule the activities of trades workers, labourers or other workers.

Employment requirements

  • Completion of secondary school is required.
  • 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 licence or certification, such as a power engineer licence, refrigeration certification or wastewater treatment certification.
  • Solid waste, landfill or compost facility operator certification may be required.

Additional information

  • There is some mobility between occupations with similar technological or licensing requirements within this group.


  • Contractors and supervisors, electrical trades and telecommunications occupations (72011)

Breakdown summary

Broad occupational category
9 – Occupations in manufacturing and utilities
2 – Occupations usually require a college diploma or apprenticeship training of two or more years; or supervisory occupations
Major group
92 – Processing, manufacturing and utilities supervisors and utilities operators and controllers
Sub-major group
920 – Supervisors, processing, manufacturing, assembly and fabrication occupations
Minor group
9201 – Supervisors, processing and manufacturing occupations
NOC 2021 Version 1.0
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