← All roles

Mine Planner

Mariana Minerals· Engineering
Apply on company site
Houston, TX, San Francisco HQ, Moab, UT$140k - $175kFull-timePosted 8mo ago

About the role

Senior technical leadership role leading strategic mine planning, opportunity evaluation, and long-range optimization across Mariana Minerals’ mining portfolio, defining evaluation, design, sequencing, and optimization from concept to life-of-mine planning.

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
  • Review and challenge mine plans produced by internal teams and external consultants to ensure technical rigor and alignment with company standards
  • Work closely with geology, geotechnical, processing, infrastructure, and operations teams to ensure mine plans are fully integrated and technically sound
  • Translate long-range strategic plans into clear planning frameworks that downstream engineering and operations teams can execute against
  • Serve as the technical authority for mine planning decisions across the organization
  • Mentor and guide mine planners and engineers across the company, raising the overall quality and consistency of planning work
  • Contribute to the development of internal tools, templates, and workflows that improve planning efficiency and decision quality
  • Stay current on industry best practices, software, and optimization techniques, bringing new ideas into the organization

Qualifications

  • Bachelor’s degree in Mining Engineering or a closely related field (Master’s preferred)
  • 5+ years of mine planning experience, with a strong emphasis on long-range planning, optimization, and strategic evaluation
  • Demonstrated expertise in pit optimization, phase design, sequencing, and economic trade-off analysis
  • 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
  • Strong communication skills and confidence operating as a senior technical authority
  • Experience working in fast-moving, project-driven or greenfield environments
  • Experience supporting early-stage studies (conceptual, PEA, PFS, FS) and corporate-level project evaluations
  • Professional Engineer (P.Eng or equivalent), or eligibility

Skills

Required:Mine planningEconomic evaluationMulti-pit optimization
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Mariana Minerals

We to the Future of Minerals, verify the mineral supply chain.

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.

software-firstmineralsenergyAIdefense
Company profileWebsite

More open roles at Mariana Minerals