Mobile Maintenance Supervisor

Mariana Minerals
United States
Workplace: OnsiteFull timeFunction: Field Service, Maintenance & Skilled TradesExperience: 5+ yearsSkills: ["Leadership","Communication","Organization","Problem-solving","Accountability"]

Lead a team of maintenance technicians to keep a mobile mining fleet safe, reliable, and available. Provide hands-on troubleshooting and advanced failure analysis across mechanical, hydraulic, and electrical systems, using schematics, manuals, and diagnostic tools. Coordinate daily maintenance planning with safety, production needs, parts, labor, and work orders, while mentoring technicians and driving preventative maintenance and reliability improvements.

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FursaFursa
Mariana Minerals
Mariana Minerals
1 day ago

Mobile Maintenance Supervisor

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Source: Company careers pageValidated by: Fursa AI
Last checked: 10 hours agoStatus: Live

Job Summary

Lead a team of maintenance technicians to keep a mobile mining fleet safe, reliable, and available. Provide hands-on troubleshooting and advanced failure analysis across mechanical, hydraulic, and electrical systems, using schematics, manuals, and diagnostic tools. Coordinate daily maintenance planning with safety, production needs, parts, labor, and work orders, while mentoring technicians and driving preventative maintenance and reliability improvements.
Location: United States
Workplace: Onsite
Employment Type: Full time
Job Function: Field Service, Maintenance & Skilled Trades
Seniority: Manager level

Key Responsibilities

  • •Lead, supervise, and develop maintenance technicians while maintaining a safety-first mindset and accountability culture.
  • •Conduct safety meetings and workplace inspections, addressing hazards and ensuring compliance with safety requirements.
  • •Work hands-on to troubleshoot, diagnose, and repair heavy mobile mining equipment across mechanical, hydraulic, and electrical systems.
  • •Prioritize and coordinate daily maintenance activities based on safety, equipment criticality, production needs, labor, parts, and resources.
  • •Drive reliability and availability through preventative maintenance, repair-quality review, equipment-status tracking, and recurring-failure identification.

Pay and Benefits

Perks:HousingRelocation

Key Requirements

  • •Previous supervisory, lead technician, or crew-leadership experience to coach technicians and provide technical direction in the field.
  • •Minimum 5 years of mining maintenance experience with hands-on support for heavy mobile mining equipment.
  • •Strong troubleshooting and failure-analysis skills across mechanical, hydraulic, and electrical systems, including reading hydraulic and electrical schematics (welding experience is a plus).
  • •Experience with Caterpillar mobile mining equipment and electronic diagnostic tools (CAT ET, CAT SIS; CAT 777 and/or CAT 992K preferred).
  • •Experience using maintenance tracking systems and Microsoft Office applications; valid driver’s license required.
Experience:5+ yearsMiningHeavy mobile equipment
Skills:LeadershipCommunicationOrganizationProblem-solvingAccountability
Licenses:Driver’s license
Tech Stack:CaterpillarCAT ETCAT SISCAT 777CAT 992KHydraulic schematicsElectrical schematicsMaintenance tracking systemsMicrosoft OfficeDiagnostic toolsTechnical manuals

Company Brief

Mariana Minerals
Software-first, vertically integrated minerals company developing extraction, processing, and automation systems to supply critical minerals (lithium and others) for energy, AI, and defense technologies, and building commercial-scale lithium facilities from produced water.
Industry: Mining & Metals
Company Size: Small (11 to 50 employees)
Growth: Early Stage Startup
Funding: Series A
Headquarters: San Francisco, United States
WebsiteLinkedInGlassdoor