Alcoa (NYSE: AA) is a global industry leader in bauxite, alumina and aluminum products, with a strong portfolio of value-added cast and rolled products and substantial energy assets. Alcoa is built on a foundation of strong values and operating excellence dating back nearly 130 years to the world-changing discovery that made aluminum an affordable and vital part of modern life. Since inventing the aluminum industry, and throughout our history, our talented Alcoans have followed on with breakthrough innovations and best practices that have led to efficiency, safety, sustainability and stronger communities wherever we operate.

Roll Grinder is responsible for heavy assembly and regrinding of large rolling mill rolls. Duties and working procedures include: 

• Calibrate test equipment and maintain records.


• Perform mechanical repair of roll grinding machines and fixed shop equipment.


• Select, balance, and install grinding wheels. 


• Position rolls in grinding machine with pendant and radio controlled crane. 


• Rough turn and grind rolls to desired shape and finish. 


• Chamfer back-up rolls to prevent spalling or cracking. 


• Grind extrusion rams to desired shape and finish. 


• Check surface quality, hardness, and shape with profilemeter, perthometer, micrometer and caliper. 


• Develop, read, interpret sketches and blueprints. 


• Adjust, lubricate and maintain roll grinding machines. 


• Record roll grinding information such as downtime, tracking of rolls and operations. 


• Order parts and supplies. 


• Calibrate and troubleshoot roll grinding machines. 


• Perform sling/wire rope inspections. 


• Handling of LP gas transportation. 


• Braze, cut, weld, repair and fabricate structures. 


• Perform rigging duties to remove and replace major components of grinding machines and to handle broken rolls.