About us. Magnum Machining, Inc. is a small, air conditioned facility in Richmond, IL. We are fast-paced, innovative and customer-centric. Our work environment includes. Growth opportunities. Looking for an individual who is mechanically inclined. No experience needed. Will train the right individual. Job duties would entail. Some Deburring. Some Sanding and Polishing. Light Assembly. CNC Machine Operator. General Shop Maintenance. Some Driving P...