Sr. Procurement Specialist - Process Equipment at Mariana Minerals | CA, US | Rezi

Sr. Procurement Specialist - Process Equipment at Mariana Minerals

Sr. Procurement Specialist - Process Equipment

Mariana Minerals · CA, US

1 weeks ago

Sr. Procurement Specialist - Process Equipment

Mariana Minerals · CA, US

10 days ago
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About the Role

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 involves managing defined procurement scopes from strategy development through contract award and execution, directly impacting project schedules and capital efficiency.

Responsibilities

  • 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
  • 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
  • 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
  • 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

Requirements

  • 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

Experience Level

  • 5-7+ years

About the Company

  • 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, Engineer Out Requirements, then Automate, and Share Your Legos.
  • Join us as we build the future of responsible mineral sourcing and supply.