Sr. Data Scientist

The role

You will own the statistics and reporting for Mariana Minerals to ensure data is trustworthy and legible. You will design plant trials, define business metrics, and build the reporting and analytics layer.

What you will do

• Design and analyze plant trials and experiments
• Own the definitions of business metrics like recovery, grade, and throughput
• Build and own the reporting and analytics layer including dashboards and self-serve tooling
• Quantify uncertainty including sampling error and assay variability
• Apply statistical process control and capability analysis to plant operations
• Run deep-dive analyses for cost variance and recovery drops
• Do forecasting and estimation for production, cost, and capacity planning
• Partner with the Technical Product Manager on the reporting and analytics stack
• Review other people's analyses and teach teams statistics
• Write findings in clear memos for non-statisticians

Required qualifications

• 3–6+ years in data science, statistics, analytics, or a quantitative research role
• Deep applied statistics including experimental design, hypothesis testing, regression, and uncertainty quantification
• Strong SQL and Python (pandas, statsmodels, scipy)
• Track record building reporting and dashboards
• Ability to work with messy, real-world measurement data
• Exceptional written communication
• Comfort being the statistical authority in the room

Nice to have

• Background in mining, metallurgy, chemicals, energy, manufacturing, or other heavy industry
• Experience with statistical process control, or measurement system analysis
• Experience with BI and analytics tooling (Hex, Looker, or embedded analytics)
• Degree in statistics, chemical engineering, chemistry, operations research, economics, or a related quantitative field
• Experience building an analytics function at a company where one didn't exist yet
• Working fluency with LLM-assisted analysis

About the company

Mariana Minerals is a software-first, vertically integrated minerals company. They aim to supply critical minerals for energy, AI, and defense technologies by combining industry expertise with advanced software and automation.