Commercialization Manager

Mariana Minerals • San Francisco, CA

83d

About The Position

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. 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.

Requirements

• Bachelor’s degree in business, supply chain management, engineering, or a related field
• 3–6 years of experience in commercial operations, procurement, or sales in industrials, manufacturing, or materials
• Strong negotiation skills, with a proven record of securing favorable agreements with suppliers or customers
• Experience building commercial systems and processes; ability to learn new tools quickly
• Strong organizational and project management skills, with ability to balance multiple priorities and deadlines
• Excellent communication skills across levels and functions, including working with suppliers, customers, site teams, and leadership
• Comfort working in a fast-paced, resource-constrained startup environment with shifting priorities

Responsibilities

• Lead procurement for new projects and support procurement at operating sites, including supplier sourcing, pricing, contract negotiations, and vendor management
• Contribute to commercial activities across byproduct and end-product sales, from identifying customers and supporting qualification to participating in negotiations and regional strategy
• Develop the policies, templates, and processes that make supplier negotiations and customer engagements consistent, efficient, and scalable
• Partner with internal teams to establish a center of excellence for commercial operations, covering both procurement and sales
• Produce concise, well-structured documents and presentations for executives, partners, and customers

What This Job Offers

• Education Level: Bachelor's degree