Mariana Minerals
Mobile Maintenance Supervisor
Moab, UT · On-site · Full-time · Posted Oct 28, 2026
- Experience
- Minimum of 5 years of mining maintenance experience; previous supervisory, lead technician, or crew-leadership experience required.
About the job
Leads maintenance technicians and works hands-on to keep Mariana Minerals’ mobile mining fleet safe, reliable, and available.
What you'll do
- Supervise, develop, and train technicians while promoting safe, accountable work.
- Troubleshoot, diagnose, and repair heavy mobile mining equipment and its mechanical, hydraulic, and electrical systems.
- Coordinate daily maintenance, repairs, work orders, parts, and reliability improvements with planners, operations, and vendors.
What they ask for
- Previous supervisory, lead technician, or crew-leadership experience.
- At least 5 years of mining maintenance experience, including hands-on support of heavy mobile mining equipment.
- Strong troubleshooting and failure-analysis skills across mechanical, hydraulic, and electrical systems; able to read hydraulic and electrical schematics.
- Experience with Caterpillar mobile mining equipment and electronic diagnostic tools; maintenance tracking systems and Microsoft Office; valid driver’s license.
Nice to have
- Familiarity with CAT ET and CAT SIS, and direct experience with CAT 777 haul trucks and/or CAT 992K wheel loaders.
- Welding experience or experience with autonomous mining technology.
Tools
Caterpillar, CAT ET, CAT SIS, Microsoft Office
Model-written summary · the original posting is authoritative