Marianaminerals
Mine Planner
San Francisco HQ
Sponsorship not specifiedDetected 1 day ago
Supply ChainLeadershipCommunicationGeotechnical Engineering
About the role
- You will establish company-wide standards and best practices for short-, medium-, and long-term mine planning, ensuring consistency, rigor, and decision-quality across all assets.
- This is a senior technical leadership role that sits at the intersection of geology, mine engineering, economics, and corporate strategy.
- You will influence what projects get built, how they are sequenced, and how value is maximized over time.
Responsibilities
- Lead technical mine planning input for project screening, opportunity evaluation, and portfolio-level decision making
- Develop high-level mine concepts, production profiles, and sequencing options to support investment, acquisition, and development decisions
- Partner with geology, metallurgy, and commercial teams to evaluate trade-offs between scale, timing, risk, and value
- Own and develop long-range (LOM) mine plans that maximize NPV, operational flexibility, and strategic optionality
- Perform multi-pit optimization, phase sequencing, and cutback strategy development across complex deposits
- Evaluate alternative development strategies, mining rates, and sequencing scenarios to support robust decision making
- Define and maintain company-wide standards, methodologies, and assumptions for short-, medium-, and long-term mine planning
- Establish consistent approaches to mine design, scheduling, economic evaluation, and scenario analysis across all projects
Requirements
- 5+ years of mine planning experience, with a strong emphasis on long-range planning, optimization, and strategic evaluation
- Strong proficiency with modern mine planning and optimization tools (e.g., Deswik, Whittle, Vulcan, MinePlan, Leapfrog)
- Experience evaluating complex, multi-pit or multi-deposit mining projects
- Ability to think at both the technical and strategic level, connecting mine plans to capital decisions and long-term value creation
- Experience working in fast-moving, project-driven or greenfield environments
- Experience supporting early-stage studies (conceptual, PEA, PFS, FS) and corporate-level project evaluations
- Demonstrated expertise in pit optimization, phase design, sequencing, and economic trade-off analysis
- Strong communication skills and confidence operating as a senior technical authority
- Professional Engineer (P.Eng or equivalent), or eligibility
Nice to have
- Bachelor's degree in Mining Engineering or a closely related field (Master's preferred)
Company info
- Mariana Minerals is looking for a highly motivated Senioe Mine Planner to lead strategic mine planning, opportunity evaluation, and long-range optimization across the company's portfolio of mining projects.
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