Translation guide
In Japanese, the title for a chief engineer depends heavily on the context—whether it's a ship, a construction project, a tech company, or a factory. The most common and versatile term is 技師長, but other words like 機関長 (for ships) or 技術部長 (for corporate departments) are used in specific fields.
The most common, all-purpose term for a chief engineer in many technical fields, including engineering firms, government projects, and manufacturing.
A general title for a senior or chief engineer, often used in public works, construction, and technical organizations. It implies a high level of expertise and leadership.
彼はこのプロジェクトの技師長です。
He is the chief engineer of this project.
Used in corporate settings for the head of an engineering department. More administrative than 技師長.
技術部長が新製品の開発を監督しています。
The chief engineer (department head) is overseeing the development of the new product.
The person in charge of the engine room and machinery on a ship.
The standard term for a ship's chief engineer. Used in both merchant and naval contexts.
機関長はエンジンの調子を確認した。
The chief engineer checked the engine's condition.
A loanword from English, sometimes used on foreign-going ships or in international contexts, but 機関長 is more standard.
チーフエンジニアが機関室で作業している。
The chief engineer is working in the engine room.
A senior engineering leader in a technology company, often equivalent to a VP of Engineering or a principal engineer.
Commonly used in Japanese tech companies for a top-level engineer who may not be a manager but has high technical authority.
彼はGoogleのチーフエンジニアとして働いています。
He works as a chief engineer at Google.
A more formal title meaning 'person responsible for technology', often used in startups or smaller firms.
技術責任者として、彼はすべての技術的決定を下す。
As the chief engineer, he makes all technical decisions.
The lead engineer on a construction site or civil engineering project.
While literally 'site supervisor', this term often encompasses the role of chief engineer on a construction site, especially in smaller projects.
現場監督が作業員に指示を出している。
The chief engineer is giving instructions to the workers.
Specifically the chief of a construction project, often used in large-scale civil engineering.
工事長が工程表を確認している。
The chief engineer is checking the construction schedule.
The head of engineering or maintenance in a factory setting.
Often used for the plant manager, but in some contexts, this person is also the chief engineer overseeing all technical operations.
工場長が新しい生産ラインを導入した。
The chief engineer (plant manager) introduced a new production line.
The section chief of engineering, a more specific title for a chief engineer in a factory's technical department.
技術課長が機械のメンテナンス計画を立てる。
The chief engineer makes the machine maintenance plan.
Directly translating 'chief engineer' as 主任技師 or 主席技師 is not common and may sound unnatural. Stick to the context-appropriate terms above.
技師長 is a title for a senior engineer with high technical expertise, often found in government or public works. 技術部長 is a corporate department head and may be more managerial. Choose based on whether the role is more hands-on technical or administrative.