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Chemical product manufacturing workers

How to become an Oil Refinery Operator

Also called: Oil refinery equipment operator, Fuel production equipment operator

Runs and controls refinery equipment that processes crude oil into petroleum products.

Workers in this job say high school is common. From job tag's survey of people in each job, who could give several answers. It shows what workers see as common, not how many workers hold each level.

How to become one

No particular education or qualification is required to start. Many new high school graduates come from technical high schools. After joining, you receive basic training in oil refining processes for about six months to a year. You are then placed in a workplace, gain several years of experience on site and, once you are used to the work steps and running the equipment, control the refining process as a board operator. Some go on to gain the hazardous materials manager or high-pressure gas production safety manager qualifications and become team leaders. Job changes and internal transfers are rare, but some move to planning or engineering departments, such as refinery planning or equipment inspection, using their experience of running refinery equipment. You handle hazardous materials that could lead to major disasters, so you need to understand complex chemical reactions and processes and act carefully and calmly. Working hours are irregular and include night shifts, so a fair amount of physical strength is needed. People who are interested in chemistry and machines, follow rules closely and are responsible are needed.

Ways in

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Questions people ask

How do I become an Oil Refinery Operator?

No particular education or qualification is required to start. Many new high school graduates come from technical high schools. After joining, you receive basic training in oil refining processes for about six months to a year. You are then placed in a workplace, gain several years of experience on site and, once you are used to the work steps and running the equipment, control the refining process as a board operator. Some go on to gain the hazardous materials manager or high-pressure gas production safety manager qualifications and become team leaders. Job changes and internal transfers are rare, but some move to planning or engineering departments, such as refinery planning or equipment inspection, using their experience of running refinery equipment. You handle hazardous materials that could lead to major disasters, so you need to understand complex chemical reactions and processes and act carefully and calmly. Working hours are irregular and include night shifts, so a fair amount of physical strength is needed. People who are interested in chemistry and machines, follow rules closely and are responsible are needed.

How much does an Oil Refinery Operator earn in Japan?

Average annual income in the private sector, bonus included, is ¥5,499,700 (Ministry of Health, Labour and Welfare). The figure is for the wage survey group Chemical product manufacturing workers, which covers several jobs.

Do you need a degree to become an Oil Refinery Operator?

Usually not. In this job's census occupation group, only 22% of workers are university graduates. Ways in include: College of technology (高等専門学校, kosen).

Will AI change the work of an Oil Refinery Operator?

Generative AI can do relatively little of this work, by the ILO's global estimate.

Sources

独立行政法人労働政策研究・研修機構（JILPT）作成 職業情報データベース 解説系ダウンロードデータ（IPD_DL_description_7_01.xlsx）ver.7.01 職業情報提供サイト（job tag）より2026年10月4日にダウンロード（https://shigoto.mhlw.go.jp/User/download）を加工して作成

独立行政法人労働政策研究・研修機構（JILPT）作成 職業情報データベース 簡易版数値系ダウンロードデータ（IPD_DL_numeric_7_00.xlsx）ver.7.00 職業情報提供サイト（job tag）より2026年10月4日にダウンロード（https://shigoto.mhlw.go.jp/User/download）を加工して作成

Sources: JILPT Occupational Information Database download data via job tag (解説系 ver.7.01 and 簡易版数値系 ver.7.00, downloaded 4 October 2026), processed by Peernovo; MHLW, Basic Survey on Wage Structure 2025; Statistics Bureau of Japan, 2020 Population Census; MEXT, School Basic Survey 2025; MHLW, Employment Referrals for General Workers (Hello Work statistics). Figures processed by Peernovo. English job names, translations and the matching of jobs to statistical groups, schools and degree fields by Peernovo.

Updated 4 October 2026