Mechanical Designer III designs and develops layouts for mechanical systems. Assists in the production of detailed schematics for HVAC or plumbing systems. Being a Mechanical Designer III may require a bachelor's degree in a related area. Typically reports to a manager or head of a unit/department. To be a Mechanical Designer III typically requires 4 to 7 years of related experience. Contributes to moderately complex aspects of a project. Work is generally independent and collaborative in nature.