Lead Resource Geologist
Mariana MineralsHouston, Texas, United States • San Francisco, California, United States
Posted January 30, 2026
Full Time
About the Company
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies.
Job Description
Mariana Minerals is seeking a Lead Resource Geologist to support resource development, mine geology, and technical studies across open pit and underground mining projects. The role will contribute directly to geological interpretation, resource modeling, and grade control inputs that underpin mine planning, engineering, and economic evaluation.
Requirements
- Bachelor’s degree in Geology, Geological Engineering, or a related field
- 10+ years of progressive experience in mine and/or resource geology
- Demonstrated experience supporting both open pit and underground mining operations
- Direct experience with nickel and copper mineral systems
- Strong applied geostatistical and mineral resource estimation experience
- Proficiency with geological modeling and estimation software
- Strong understanding of geological controls on mineralization and their implications for mining
- Ability to communicate geological concepts clearly to non-geologists
Benefits
- Opportunity to work on a mission-driven team reshaping the way critical minerals are sourced and supplied globally
- Autonomy to make big decisions and have the tools to innovate
- Culture that values ownership, smart automation, and collaboration