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Mobile Equipment Mechanic III

The Doe Run Company
Boss, MO Full Time
POSTED ON 9/3/2026
AVAILABLE BEFORE 11/3/2026

Be a part of our company with a 160-year history that delivers minerals and metals to power the world.
$33.49/hour
5% targeted monthly bonus.
Insurance benefits start day 1.
80 hours vacation after 90 days.
On-the-job training with career growth opportunities.

 

The Doe Run Company is seeking a Mobile Equipment Mechanic III to maintain Doe Run Company mobile equipment in order to ensure process safety and minimize division downtime. This day shift position is located at Brushy Creek Underground in Boss, MO.

The work location may change as needed to support production and business needs within the Viburnum Trend in Southeast Missouri.

Education & Experience:

  • High school diploma or equivalent, preferred.

  • Minimum of three years of industrial mechanic experience, diesel mechanic experience, or equivalent vocational training.

  • Must complete the Doe Run Mobile Maintenance Mechanic training and pass the Mobile Maintenance Mechanic III Nocti written skills assessment with a passing grade.

  • Minimum of four years of experience in a mechanical maintenance role.

  • Valid driver’s license.

Knowledge, Skills & Abilities:

  • Basic knowledge of divisional operations (i.e., mining, milling, smelting).
  • Advanced mechanical skills.
  • Knowledge of electrical and low-voltage DC troubleshooting and basic mechanical repairs.
  • Ability to operate mobile equipment, including cranes, forklifts, skid steer loaders, etc.
  • Working knowledge of metal fabrication, hydraulics/pneumatics, refractory work, bearings/seals, welding, pipe fitting, pump repair, mechanical repairs, and construction maintenance.
  • Basic computer skills and diagnostic skills, including knowledge of Microsoft Office programs, I-Series, AS400/PeopleSoft.
  • Ability to read and draw schematics/blueprints.
  • Demonstrated skill in using small hand tools, advanced measuring, and basic mathematical calculations.

Responsibilities:

  • Troubleshoot equipment problems.
  • Provide scheduled maintenance and repairs.
  • Manage time to provide effective, timely, and efficient repair and maintenance service.
  • Install new equipment and modify existing equipment as required per job site.
  • Complete tasks in a safe and environmentally compliant manner by following EHS (environmental, health, and safety) policies, procedures, and best practices; support and assist peers in working in a safe, compliant manner; report unsafe acts or conditions, incidents, and deviations; and provide feedback to support continuous improvement in EHS performance.
  • Other duties as assigned.

Work Environment, Physical and Lifting:

  • Regularly required to wear personal protective equipment, including respirator, hearing protection and eyewear. Frequently works near moving mechanical parts, exposed to outdoor weather conditions, loud noise levels, and vibration. Occasionally exposed to wet, humid conditions and extreme heat.
  • Regularly requires hearing, reaching with hands/arms, stooping, kneeling, crouching, crawling, and climbing or balancing. Frequently requires talking, feeling attributes of objects, grasping, standing, walking, driving, repetitive movement, and moving up and down from/to sitting a position on the floor. Occasionally requires sitting and pushing. Requires clarity of vision at 20 feet or more and 20 inches or less, three-dimensional vision, the ability to judge distance and spatial relationships, precise hand-eye coordination, and the ability to identify and distinguish colors.
  • Regularly required to lift up to 15 pounds. Frequently required to lift up to 25 pounds. Occasionally required to lift up to 100 pounds.

 

Based in St. Louis, Missouri, USA, The Doe Run Company is a privately held natural resources company and a global provider of lead, copper, and zinc concentrates. Dedicated to environmentally responsible mineral and metal production, Doe Run operates the Resource Recycling facility, one of the world’s largest, single-site lead recycling centers, located in Boss, Missouri. The company also owns six operating mines in one of the world’s largest lead mining districts, also in Missouri: Brushy Creek, Buick, Casteel, Fletcher/West Fork, Mine 29/Viburnum and Sweetwater. The Doe Run Company and its subsidiaries deliver products and services necessary to provide power, protection, and convenience. Doe Run has operations in Missouri, Washington, and Arizona. For more information, visit www.doerun.com.

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

 

Salary : $33

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