91Z Senior Maintenance Supervisor

The Army MOS 91Z is a Mechanical Maintenance Supervisor. The 91Z supervises, plans, coordinates, and directs the maintenance of all mechanical equipment. They also manage a multi-functional Combat Support and Sustainment Battalion.

The 91Z also serves as a senior advisor to Commanders, Directors, and Chiefs of Departments and staff agencies on all matters pertaining to enlisted personnel.

They also: Monitor or conduct training of enlisted Soldiers Assess training at all levels Provide feedback to their senior leaders and appropriate subordinate commanders and leaders

The primary duties of the Mechanical Maintenance Career Management Field (CMF) are to perform the fix functions on Army weapons systems and equipment.