Extractive Metallurgist

The role

The Extractive Metallurgist will design, test, and optimize mineral processing flowsheets. You will lead trials and collaborate with engineering, machine learning, and data science teams to improve efficiency and recovery.

What you will do

• Design, test, and optimize mineral processing flowsheets for new and existing projects.
• Lead laboratory, pilot-scale, and plant trials for process validation and improvement.
• Analyze metallurgical data to improve recovery, efficiency, and cost performance.
• Collaborate with engineering teams on process design and scale-up.
• Partner with data scientists and ML engineers to integrate advanced analytics and predictive models into process optimization.
• Support commissioning and ramp-up of new facilities.
• Contribute to Mariana’s culture of continuous improvement, innovation, and safety.

Required qualifications

• Degree in Metallurgy, Chemical Engineering, or Process Engineering.
• Hands-on mineral processing experience.
• Proven ability to work independently in dynamic environments.
• Strong problem-solving skills.
• Experience working in startup or entrepreneurial settings.

Nice to have

• zinc or copper preferred
• Background in industrial technology or product development.
• Experience collaborating with machine learning engineers or data scientists.
• Exposure to digitized process monitoring and automation systems.

About the company

Mariana Minerals is a software-first, vertically integrated minerals company. They combine industry expertise with advanced software, automation, and data-driven decision-making to supply critical minerals.