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Process Maintenance Technician

Mariana Minerals· Plant Operations
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Moab, UTFull-timePosted 2w ago

About the role

Maintenance and repair of fixed plant equipment and facilities at a producing open-pit copper mine, with hands-on specialization in pumps, welding, or troubleshooting and cross-training across maintenance disciplines.

Responsibilities

  • Diagnose, install, and repair fixed plant equipment, including pumps, compressors, boilers, fans, motors, gearboxes, piping, valves, and automated valves, identifying root causes.
  • Maintain site buildings and infrastructure, including truck shops, admin buildings, and plumbing systems, along with portable equipment such as mobile air compressors and pumps.
  • Perform welding and fabrication for pipe, frames, handrails, grating, and structural repairs.
  • Perform equipment rebuilds, component replacements, lubrication, inspections, oil sampling, and other preventive and condition-based maintenance.
  • Perform basic electrical troubleshooting and repair on motors, starters, and controls, and work alongside electricians to rack out, unwire, install, and troubleshoot process equipment.
  • Safely operate forklifts, overhead cranes, boom trucks, and other material-handling equipment.
  • Document inspections, repairs, and parts in work orders and the CMMS.
  • Follow MSHA regulations, lockout/tagout procedures, PPE requirements, and company SOPs.

Qualifications

  • 2+ years of maintenance experience in fixed plant, mining, industrial, or heavy manufacturing environments.
  • Strong hands-on skills in at least one area: pumps, welding and fabrication (MIG, stick, cutting), or mechanical troubleshooting.
  • Working knowledge of pumps, motors, gearboxes, piping systems, and mechanical drive systems.
  • Basic electrical knowledge, including reading wiring diagrams, using a multimeter, and troubleshooting motors and controls. Industrial electrical experience is a plus.
  • Ability to read and interpret service manuals, parts manuals, schematics, and technical documentation.
  • Ability to work safely in an active mine environment and perform physically demanding tasks.
  • Experience using computerized maintenance management systems (CMMS).
  • Strong communication skills and ability to work effectively with operators, electricians, and support teams.

Skills

Required:Maintenance and repair of fixed plant equipmentWelding and fabricationElectrical troubleshooting

Benefits

  • Housing and relocation assistance options are available.
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Mariana Minerals

We to the Future of Minerals, verify the mineral supply chain.

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.

software-firstmineralsenergyAIdefense
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