Mine Maintenance Supervisor

Join The Doe Run Company, a privately held natural resources company and one of the largest lead producers in the Western Hemisphere. Based in St. Louis, Missouri, we operate facilities in Missouri, Washington and Arizona and maintain one of the world’s largest single‑site lead recycling plants in Boss, MO. We use innovative mining techniques to responsibly tap the world’s largest lead deposits.

We offer a competitive base salary, eligibility for the Company variable pay (bonus) plan, and benefits starting first day—including insurance, paid time off, and various customer discount programs.

This position is for a Mine Maintenance Supervisor located at our Sweetwater Mine in Ellington, MO. The work location may change as needed to support production and business needs within the Viburnum Trend in Southeast Missouri.

• Communicate and collaborate with operations departments to schedule repairs and preventive maintenance projects.
• Prioritize and assign job tasks to appropriate crew members and ensure assignments are safely completed.
• Ensure documentation related to maintenance systems, purchasing, HR, safety and other related systems are complete, accurate, up‑to‑date, and maintained for the assigned crew.
• Interact with vendors to review new products and services to improve efficiency and safety and to ensure work goals are completed.
• Ensure direct reports handle hazardous waste in accordance with all trainings and regulations; conduct weekly hazardous waste inspections.
• Collaborate with stakeholders to plan future projects; determine when major maintenance needs to be done to eliminate production loss and manage process to schedule parts, people, and time.
• Maintain EHS compliance by holding direct reports accountable for adherence to EHS policies, procedures and best practices; evaluating employee performance via field observations and document review; reporting and correcting unsafe acts or conditions, incidents and deviations; and providing feedback to support continuous improvement.
• Other duties as assigned.

• High School Diploma or equivalent.
• Minimum 5 years of experience with mobile and stationary equipment.
• Prior supervisor experience preferred.
• Mining industry experience preferred.
• Valid driver’s license.

• Basic skills with computer software, including Microsoft Office Suite, Maintenance Management Systems, HRIS (UKG), I‑series (LIMS, ETMS), Budgeting (Adaptive), Invoicing (Dataserv).
• Proficient in pneumatics, hydraulics, and mechanical repairs.
• Proficient in the mechanics of shafts, gearboxes, bearings, and sprockets.
• Basic electrical knowledge.

• Regularly required to use a computer/tablet and phone/radio; frequently required to use non‑powered and powered hand tools; occasionally required to use welding or cutting tools and personnel carriers; rarely required to use loading or hauling equipment.
• Regularly works underground. Occasionally exposed to outdoor weather conditions and wet, humid, cold, or hot (non‑weather) conditions; frequently required to work near moving mechanical parts; may be exposed to moderate noise levels; regularly required to wear company‑provided PPE including ear protection, eye protection, and foot protection; rarely required to wear a respirator.
• Regularly required to sit, stand, and walk for extended periods of time; talk and hear; occasionally required to use repetitive motion and reach with hands/arms; requires clarity of vision and three‑dimensional vision.
• Regularly required to lift up to 15 pounds; occasionally required to lift 16‑75 pounds; rarely required to lift 75‑100 pounds.

Doe Run is an equal‑opportunity employer, including disability and veterans.

We are looking for a committed supervision professional who values safety, teamwork, and efficient maintenance to support our mission of responsibly managing one of the world’s most significant lead resources.