# Mine Planner at Mariana Minerals

- Company: Mariana Minerals
- What the company does: Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies. Backed by Khosla and a16z.
- Company website: https://marianaminerals.com/
- Type: Startups
- Level: Mid level
- Location: San Francisco HQ
- Work setup: On-site
- Pay: $140K to $175K base salary per year (USD)
- Posted: 2026-07-21
- Apply by: 2026-10-12
- Apply: https://jobs.ashbyhq.com/marianaminerals/e431ba9d-8552-42b2-a566-86dcdc11c3e2
- Page: https://www.1752.vc/careers/jobs/mariana-minerals-mine-planner/

## About the role

Mariana Minerals is looking for a highly motivated Senior Mine Planner to lead strategic mine planning, opportunity evaluation, and long-range optimization across the company’s portfolio of mining projects. This role is responsible for defining how mines are evaluated, designed, sequenced, and optimized—from early-stage concept evaluation through life-of-mine planning.

## What they're looking for

- 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

Tags: Engineering