Site Visits / Audits: Coordinate and conduct routine technical inspections, audits, review meetings, and work sessions at the various quarries and mines; Provide on-site support, technical expertise, or other assistance as requested by the sites or quarries to address or support technical issues; Perform other duties as needed. May be required to periodically perform the following actions: Standing, walking, balancing, stooping, kneeling, reaching, talking, seeing, hearing, and sitting.