# Associate Metallurgical Engineer

**Company:** [Mariana Minerals](https://hotfix.jobs/companies/mariana-minerals)
**Location:** San Francisco, CA
**Role:** Hardware Engineering
**Salary:** $85k – $95k/yr
**Experience:** 0+ years
**Skills:** chemical engineering, mining engineering, metallurgy, leaching columns, pilot-scale testing, process documentation, pfds, p&ids, mass balances, Data Analysis, Python, MATLAB, ehs procedures
**Posted:** 2026-07-31

> Support process development and pilot-scale testing for bioleaching columns and mining equipment at a CopperOne mine pilot facility. Hands-on entry-level role involving experiment design, data analysis, documentation, and collaboration with R&D and software/ML teams. Requires a BS/MS in Chemical/Mining/Metallurgical Engineering with 0-2 years experience.

## Job Description

## Responsibilities
- Operate, troubleshoot, and improve leaching columns and other pilot-scale processing equipment in collaboration with technicians.
- Design and execute pilot-scale experiments with guidance from senior engineers.
- Develop and maintain key process documentation including PFDs, P&IDs, operating procedures, and mass balances.
- Analyze experimental and operational data to help identify opportunities for process improvement.
- Support development of automated monitoring and optimization tools in collaboration with software and machine learning teams.
- Support safe operations by following EHS procedures and assisting with hazard assessments, risk management, and management of change processes.

## Requirements
- B.S. or M.S. in Chemical Engineering, Mining Engineering, Metallurgy, or a related field.
- 0–2 years of relevant experience through internships, research, co-ops, or full-time work.
- Strong problem-solving skills and an interest in experimental process development.
- Strong commitment to Health, Safety, and Environmental compliance.
- Excellent technical writing, communication, and teamwork skills.
- Comfortable working in a fast-paced environment, learning new skills, and collaborating across teams.

## Nice-to-Haves
- Experience analyzing data using Excel, Python, MATLAB, or similar tools.

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