Definitions for terms such as "shift engineer" and "chief engineer" may be found in:

The definition of terms like "shift engineer" and "chief engineer" is typically found in the Power Engineers' Regulations of a particular jurisdiction. These regulations are developed to establish standards and requirements related to the operation and maintenance of power plants and similar facilities. They specify the roles, responsibilities, and qualifications needed for engineers working in various capacities, including those responsible for overseeing operations and ensuring compliance with safety protocols.

The Power Engineers' Regulations serve to clarify the hierarchy and duties within engineering roles, making it clear what is expected of shift engineers and chief engineers in the context of facility operations. Each jurisdiction may have its own set of regulations, ensuring that the definitions align with local legal and operational standards.

Other sources, such as the Canadian Labour Code or ASME Code Section VIII, focus on broader legislative frameworks or specific technical standards, and CSA B-51 pertains to the design and construction of pressure vessels and systems, which do not typically address job definitions of engineers within the industry.