Director of Mining and Technical Services

Mariana Minerals
United States
Workplace: OnsiteFull timeFunction: Executive & General ManagementExperience: 12-15 yearsEducation: bachelorsSkills: ["Leadership","Communication","Project management","Stakeholder engagement"]

Provide strategic and technical leadership for the Copper One operation, directing resource modeling, pit optimization, mine design, grade control, survey, and geotechnical planning to deliver copper ore safely, efficiently, and within budget. Oversee short-term plan control for drilling, blasting, loading, and hauling—using KPI monitoring, drone-based verification, and an autonomous haul truck fleet—while partnering with TPMs and leading a high-performing technical services team.

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Mariana Minerals
Mariana Minerals
5 days ago

Director of Mining and Technical Services

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Job Summary

Provide strategic and technical leadership for the Copper One operation, directing resource modeling, pit optimization, mine design, grade control, survey, and geotechnical planning to deliver copper ore safely, efficiently, and within budget. Oversee short-term plan control for drilling, blasting, loading, and hauling—using KPI monitoring, drone-based verification, and an autonomous haul truck fleet—while partnering with TPMs and leading a high-performing technical services team.
Location: United States
Workplace: Onsite
Employment Type: Full time
Job Function: Executive & General Management
Seniority: Director level

Key Responsibilities

  • •Lead resource modeling, reserve estimation, and mine reconciliation processes.
  • •Develop and manage annual budgets, short-term forecasts, five-year plans, and life-of-mine schedules.
  • •Direct mine planning, pit optimization, and technical studies supporting operational and strategic decision-making.
  • •Oversee grade control, survey, geotechnical, drilling, and blasting activities to optimize productivity and ore recovery.
  • •Monitor technical and operational performance against production, grade, cost, and safety targets while leading and mentoring the technical services team.

Key Requirements

  • •Bachelor’s degree in Mining Engineering, Geological Engineering, Geology, or a related discipline.
  • •Minimum of 12-15 years of progressive experience in open-pit mining operations, mine planning, technical services, or mine engineering.
  • •Extensive experience in a leadership or management role overseeing multidisciplinary technical teams.
  • •Strong experience with resource modeling, reserve estimation, mine planning, grade control, and production reconciliation.
  • •Knowledge of MSHA regulations and environmental compliance requirements.
Experience:12-15 yearsOpen-pit miningMine planningTechnical services
Education:Bachelor's
Skills:LeadershipCommunicationProject managementStakeholder engagement
Tech Stack:Autonomous haul truck fleetDrone-based site verificationResource modelingReserve estimationPit optimization

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
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