An owner's engineer is an engineer who represents the owner of a project during design, development, and construction to confirm that the work is done well and within legal standards.The owner's engineer inspects the design plans, timelines, and other materials developed to support the project.n a meeting with the owners, they can discuss the scope and goals of the project, and define the needs that will be met, so they can keep this information in mind as the project moves forward. Ad. The owner's engineer inspects the design plans, timelines, and other materials developed to support the project.