R&D Technician - Hydrometallurgy & Process Optimization

Mariana Minerals; San Francisco (CA); Presencial; USD 60.000 - 90.000; Jornada completa

Descripción de la vacante

Mariana Minerals is seeking an R&D Technician to execute DOE experiments and operate chemical processing equipment for hydrometallurgy and purification tech. You will collect data, optimize processes, and generate clear reports.

The role requires hands-on reactor and purification experience, strong Excel skills, and a commitment to safety and quality in a lab/pilot setting. This on-site position offers full-time hours in California.

Formación

• Bachelor’s degree in Chemistry, Chemical Engineering, Metallurgy, or related field.
• 2–5 years in chemical processing, hydrometallurgy, or lab/pilot plant operations.
• DOE methodology and statistical analysis experience preferred.
• Hands-on experience with reactors, filtration, and separation equipment.
• Advanced Excel for data analysis and visualization.
• Knowledge of purification techniques and process fundamentals.
• Ability to read P&IDs and process diagrams.
• Safety-focused with strong documentation discipline.

Responsabilidades

• Execute DOE protocols for chemical processing, extraction, and purification.
• Operate reactors, filtration, and separation equipment at bench and pilot scale.
• Prepare chemical solutions and reagents per specs.
• Monitor and control temperature, pH, flow, residence time, and dosing.
• Collect samples and manage material handling through process streams.
• Record parameters, weights, volumes, and analytics.
• Analyze data in Excel and statistics tools to find optimizations.
• Create data visualizations and summary reports.
• Maintain notebooks and digital docs; support DOE planning.
• Conduct safety, calibration, and routine equipment maintenance.

Conocimientos

DOE protocols

Data analysis

Attention to detail

Analytical problem solving

Documentation

Educación

Bachelor's degree in Chemistry or related field

Herramientas

Excel

JMP

Minitab

Design-Expert

Descripción del empleo

Mariana Minerals is seeking an R&D Technician to execute DOE experiments and operate chemical processing equipment for hydrometallurgy and purification tech. You will collect data, optimize processes, and generate clear reports.

The role requires hands-on reactor and purification experience, strong Excel skills, and a commitment to safety and quality in a lab/pilot setting. This on-site position offers full-time hours in California.