A professional who supervises and coordinates activities of workers engaged in hardening, tempering, annealing, and other heat-treating processes to condition metal workpieces and products, applying knowledge of heat-treating processes and properties and structure of metals.

• Conducts metallurgical analyses on metal samples and machine tools.
• Estimates, requisitions, and inspects materials.
• Confers with other supervisory personnel to coordinate activities of individual departments.
• Confers with workers' representatives to resolve grievances.
• Trains workers.
• Performs other duties as described under supervisor master title.