Commercialization Manager

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.

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.

The Role

We are hiring a Commercialization Manager to strengthen Mariana’s commercial execution across procurement, sales, and vendor relationships. This role ensures that our projects and operating sites have the supplier agreements, customer relationships, and commercial processes needed to succeed.

In this position, you will negotiate direct material supply agreements, support sales and new customer development, and oversee vendor performance across consumables and utilities. You will also build procurement and sales processes that establish a foundation for long-term efficiency and growth. This is a high-impact position with visibility across the organization, from site operations to executive leadership.

What You’ll Do

• 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 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

Desired Qualifications

• 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

Why Join Us?

At Mariana Minerals, you’ll be part of a mission-driven team reshaping the way critical minerals are sourced and supplied globally. You’ll have the autonomy to make big decisions, the tools to innovate, and a culture that values ownership, smart automation, and collaboration.

Mariana is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status.