(United States). A Plant Manager, Manufacturing earns an average salary of $84,793 per year. The skills that increase pay for this job the most are Lean Manufacturing, Budget Management, and Manufacturing Process Engineering.lant Manager, Manufacturing Tasks. 1  Confer with other supervisors to coordinate operations and activities between departments. 2  Direct and coordinate the activities of employees engaged in the production or processing of goods, such as inspectors, machine setters, and fabricators.