Mariana Minerals ยท 1 day ago
Mine Maintenance Technician
Moab Office
Full-time
Onsite
Mid Level
3+ years expMariana Minerals is a growing natural resources company focused on developing and operating long-life copper assets. The Mine Maintenance Technician plays a critical hands-on role in ensuring the reliability, safety, and performance of mobile mining equipment through inspections, troubleshooting, repairs, and preventive maintenance.
Mining & Metals
Responsibilities
Perform mechanical, hydraulic, electrical, and pneumatic diagnostics and repairs on mobile mining equipment, including haul trucks, loaders, dozers, graders, and ancillary equipment
Conduct preventive maintenance activities in accordance with OEM guidelines and established maintenance schedules
Troubleshoot equipment failures, identify root causes, and implement effective corrective actions
Service and repair auxiliary equipment such as light vehicles, compressors, pumps, and generators
Accurately document all work performed, parts used, and equipment condition
Perform routine equipment inspections to identify wear, defects, and emerging mechanical issues
Assist with condition monitoring activities, including fluid analysis, component inspections, and equipment health tracking
Support reliability initiatives aimed at improving equipment availability and reducing unplanned downtime
Work closely with equipment operators to address concerns and verify proper machine operation
Perform maintenance work in both shop and field environments, including active mining areas and outdoor conditions
Operate service trucks, cranes, lifting devices, and specialty tools to complete field repairs safely and efficiently
Maintain cleanliness, organization, and safety standards in the maintenance shop and work areas
Assist with plant, facility, and infrastructure maintenance activities as required
Identify required parts and assist with ordering, inventory management, and component tracking
Utilize maintenance systems, work orders, and logs to record inspections, repairs, and equipment hours
Ensure proper care, calibration, and safe use of tools and diagnostic equipment
Promote a strong safety culture through safe work practices, proper PPE use, and hazard recognition
Comply with MSHA regulations, company policies, lockout/tagout procedures, and equipment-specific SOPs
Participate in safety meetings, risk assessments, and incident investigations as required
Maintain clean, organized, and hazard-free work areas
Qualification
Required
High school diploma or GED; technical or vocational training in mechanics or maintenance preferred
Minimum 3 years of maintenance experience in mining, heavy equipment, construction, industrial, or similar environments
Strong working knowledge of diesel engines, hydraulics, drivetrains, electrical systems, and heavy equipment components
Ability to read and interpret schematics, service manuals, and diagnostic documentation
Proficiency with troubleshooting tools, mechanical testing equipment, and service trucks
Strong communication skills and ability to work effectively with operators, supervisors, and technical teams
Ability to work safely in an active mine environment and perform physically demanding tasks
Preferred
Experience working on Caterpillar, Komatsu, or other large mining equipment brands
Familiarity with computerized maintenance management systems (CMMS)
Welding and fabrication skills (MIG, stick, cutting)
Experience performing field repairs in remote or rugged conditions
Knowledge of predictive maintenance and equipment health monitoring techniques
Company
Mariana Minerals
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.
11-50 employees
H1B Sponsorship
Mariana Minerals has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (7)
Funding
Current Stage
Early StageCompany data provided by crunchbase