About Mariana Minerals

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. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.

The Role

We are hiring a Chemical Engineering Intern to work on real, high-impact problems within the Operations team. You will contribute directly to commissioning a first-of-a-kind copper scrap recycling plant, working closely with engineers and domain experts.

This role is designed to provide hands-on experience building and shipping solutions, not just supporting tasks.

What You’ll Do

• Assist in commissioning pilot equipment

• Operate pilot plant to perform various process tests and performance evaluations

• Collaborate with cross-functional team members including engineers and operators

• Present outcomes and learnings at the end of the internship

   

Desired Qualifications

• Currently pursuing a degree in Chemical Engineering or Metallurgy

• Strong fundamentals in fundamental knowledge, data recording, organization and analysis, and equipment operation/maintenance

• Hands-on experience with processing equipment

• Ability to break down problems and execute independently

• Clear communication and willingness to learn

• Willingness to work both day & night shifts with operators and engineers

   

Our culture is built on three principles:

Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions.

Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale.

Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

Join us as we build the future of responsible mineral sourcing and supply.

Compensation (from employer):
Estimated Base Salary, final salary based on experience, location, and other factors $25 – $35 per hour