Isaiah Martinez

42-Mile Overland Conveyor | Maintenance & Operations Support

• Served as the lead mechanic responsible for maintenance, troubleshooting, and repair of a 42-mile overland conveyor belt system.
• Performed advanced diagnostics on pulleys, idlers, bearings, gearboxes, drives, couplings, belt tracking, tensioning, and structural components.
• Performed maintenance and repairs on silo systems, including knife gates and associated couplings.
• Maintained and serviced fluid-driven 900 HP motors, including system inspections, troubleshooting, and component repair/replacement.
• Conducted daily inspections and identified mechanical issues to prevent unplanned downtime.
• Led and trained a team of mechanics and maintenance helpers; coordinated workload and repair priorities.
• Assisted with major repairs including belt changeouts, splice prep, vulcanizing support, rebuilds, and component replacements.
• Executed preventative and corrective maintenance according to MSHA and company standards.
• Ensured strict compliance with lockout/tagout and all site safety procedures.
• Maintained accurate logs of work performed, parts used, and equipment condition.
• Collaborated with operations staff to minimize delays and support continuous production.
• Responded to after-hours calls and supported emergency repairs to keep the conveyor operating efficiently.

• Skilled in operating a wide range of heavy machinery, including excavators, loaders, skid steers, and man lifts.
• Experienced in safely performing excavation, material handling, grading, and site preparation with precision and efficiency.
• Knowledgeable in equipment maintenance and strict adherence to job-site safety protocols.
• Experience rebuilding centrifugal pumps, including disassembly, inspection, repair, reassembly, and performance testing.
  
• Hands-on experience diagnosing and troubleshooting electrical issues, including identifying faulty components, replacing contactors and overloads, and repairing/replacing damaged wiring. Familiar with basic electrical systems maintenance and safety procedures.
• Performed mechanical repairs such as belt replacements, bearing and screen changes, and hydraulic line repairs. Conducted routine maintenance including greasing to ensure optimal equipment performance.
• Directed a team to ensure efficient and safe operation of machinery including loaders, skid steers, and excavators.
• Implemented and enforced safety procedures and protocols to reduce accidents and maintain a safe work environment.
• Scheduled equipment usage to optimize productivity and meet project deadlines, collaborating with project managers and supervisors.
• Conducted regular equipment inspections and preventive maintenance checks to ensure proper functionality and minimize downtime.
• Trained new operators on machinery operation techniques and safety guidelines, promoting continuous learning and skill development.
• Managed inventory of parts and supplies, placing orders as needed to maintain operational efficiency.
• Safely transported and hauled materials, loaded and unloaded trucks, and assisted with site preparation and cleanup.
• Demonstrated strong proficiency in maneuvering equipment in tight spaces and navigating challenging terrain.