Lead Mobile Mechanic – Heavy Equipment Specialist

Martin Marietta; Idaho Springs (CO); On-site; USD 108,886,000 - 186,252,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k) with company match

Job summary

Martin Marietta is seeking a Master Mobile Mechanic to lead maintenance of heavy mobile equipment across multiple sites. You will diagnose complex issues, perform precision repairs, and mentor mechanics while driving fleet performance.

You will supervise complex rebuilds, manage health of yellow iron, and ensure MSHA and company standards are met, providing on-the-job mentorship to the maintenance team.

Qualifications

• Certified welding and fabrication skills with heavy equipment experience.
• Strong diagnostic and troubleshooting skills across diesel, hydraulic, and electrical systems.
• Knowledge of MSHA rules and safety protocols is required.

Responsibilities

• Perform expert troubleshooting on diesel engines, hydraulics, electrical circuits, and drivetrains for heavy mobile equipment.
• Lead complex rebuilds, alignments, and fabrication with advanced tools and software.
• Mentor junior mechanics and ensure 100% MSHA compliance and safety practices.
• Document service records, maintenance reports, and parts usage; help manage shop inventory.
• Coordinate projects with procurement to source parts and reduce lead times.
• Serve as technical lead for Mobile Mechanics and provide training and feedback.

Skills

Welding

Troubleshooting

MSHA compliance

Mechanical analysis

Education

Vocational training

Advanced technical certifications

Tools

CAT Electronic Technician

Komatsu KOMTRAX

Job description

Martin Marietta is seeking a Master Mobile Mechanic to lead maintenance of heavy mobile equipment across multiple sites. You will diagnose complex issues, perform precision repairs, and mentor mechanics while driving fleet performance.

You will supervise complex rebuilds, manage health of yellow iron, and ensure MSHA and company standards are met, providing on-the-job mentorship to the maintenance team.