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Job SummaryTo be considered for an interview, please make sure your application is full in line with the job specs as found below.The Lead Heavy Machinery / Diesel Mechanic is responsible for overseeing the inspection, maintenance, and repair of heavy equipment and over-the-road (OTR) trucking fleets. This position provides hands-on technical expertise while leading maintenance personnel to ensure equipment reliability, safety compliance, and minimal operational downtime in demanding mining and hauling environments.*Key ResponsibilitiesMechanical & Technical Duties** Diagnose, repair, and maintain diesel engines, powertrains, braking systems, hydraulics, electrical systems, and emissions systems* Service mining equipment including haul trucks, loaders, excavators, and support equipment* Maintain OTR trucks, trailers, and fleet vehicles in compliance with DOT regulations* Perform preventive maintenance inspections to maximize equipment availability and lifespan* Troubleshoot complex mechanical and electronic issues using diagnostic software and service manualsLeadership & Supervision* Lead, supervise, and mentor assistant mechanic* Assign daily work orders and prioritize repairs based on production needs* Inspect completed repairs for quality, safety, and regulatory compliance* Provide technical guidance on complex or critical equipment failures* Support training initiatives and skill development within the maintenance teamSafety, Compliance & Operations* Ensure compliance with *MSHA, DOT, OSHA, and environmental regulations** Enforce lockout/tagout, confined space, and safe work practices* Maintain accurate maintenance records, inspection reports, and regulatory documentation* Coordinate with mine operations, dispatch, and fleet management to reduce downtime* Assist with audits, inspections, and safety meetingsInventory & Maintenance Planning* Manage parts usage, tools, and shop equipment* Coordinate ordering of parts and materials to support fleet uptime* Recommend equipment rebuilds, replacements, or upgrades* Assist in developing maintenance schedules and long-term asset plansQualificationsRequired* High school diploma or GED (technical or trade school preferred)* 5-10+ years of experience as a diesel or heavy equipment mechanic* Strong working knowledge of heavy haul trucks, diesel engines, hydraulics, electrical systems, and air brake systems* Proven leadership or lead mechanic experience* Ability to interpret technical manuals, schematics, and diagnostic data* Valid driver's licensePreferred* *CDL (Class A or B)** *ASE certifications* (T-Series preferred)* *MSHA Part 46 or Part 48 training** OEM certifications* Experience with fleet maintenance software and electronic diagnostic toolsSkills & Competencies* Advanced diagnostic and troubleshooting ability* Strong leadership and decision-making skills* High level of safety awareness and regulatory knowledge* Effective communication with operations and management* Ability to work under pressure in xijylhu production-critical environments* Strong organizational and documentation skillsWork Environment* Combination of shop, mine site, and field service work* Exposure to dust, noise, vibration, and extreme weather conditions* May require extended hours or on-call availabilityCompensation & Benefits _(optional)_* Competitive wage based on experience* Overtime opportunities* Health, dental, and vision insurance* Retirement plan options* Paid time off and holidays* Training, certification, and advancement opportunitiesJob Type: Full-timePay: $28.00 - $45.00 per hourExpected hours: No less than 40 per weekBenefits:* 401(k)* 401(k) matching* Dental insurance* Employee assistance program* Employee discount* Flexible schedule* Flexible spending account* Health insurance* Health savings account* Life insurance* Paid time off* Parental leave* Vision insuranceWork Location: In person