Knowledge, Skills & Abilities: Proficient computer skills, including Microsoft Office (Excel, Word, Etc), Drafting (AutoCAD), Database (Pi, MS SQP Server, Access, Acquire), AS400 or similar mining database. Dedicated to environmentally responsible mineral and metal production, Doe Run has facilities in Missouri, Washington and Arizona and operates one of the world's largest, single-site lead recycling facilities, located in Boss, MO.