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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.
Role Overview
Mariana Minerals seeks a hands-on, commercially savvy Sr. Procurement Specialist – Process Equipment to drive capital project delivery by overseeing end-to-end procurement of capital equipment. This role isn’t about transactional purchasing—here, you’ll manage defined procurement scopes from strategy development through contract award and execution, directly impacting project schedules and capital efficiency.
What You’ll Do
Own Capital Procurement Workstreams
Lead pre-award, award, and post-award contracting activities for capital equipment purchases
Develop and execute procurement strategies aligned with project timelines and critical path needs
Drive commercial negotiations with focus on total cost, risk allocation, and delivery certainty
Support PO conversion, approvals, and procurement system processing
Manage Contracts & Commercial Risk
Draft, review, and negotiate NDAs, MSAs, and equipment purchase agreements
Coordinate change orders and commercial amendments with project teams
Ensure documentation is structured, defensible, and audit-ready
Drive Cost & Value
Analyze spend data and identify cost savings or value-creation opportunities
Foster competition in the supplier market
Conduct commercial risk assessments to minimize supply chain and schedule risks
Build Better Systems
Help design scalable procurement processes as Mariana Minerals grows
Improve cycle times and streamline sourcing and approval workflows
Contribute to establishing a disciplined, data-driven procurement function from the ground up
What You’ll Bring
5–7+ years of procurement experience in equipment purchasing and heavy industry
Proven experience managing competitive sourcing processes for capital equipment
Strong contract negotiation skills
In-depth understanding of commercial risk allocation
Proficiency with ERP/procurement systems and structured documentation
Our culture is built on three principles:
Everyone Gets Home Safe. We never put speed or cost ahead of people.
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!
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