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Sr. Procurement Specialist - Process Equipment

Mariana Minerals· Project & Construction Management
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San Francisco HQ, Houston, TX$90k - $126kFull-timePosted 2mo ago

About the role

Senior procurement professional responsible for end-to-end capital equipment procurement for high-impact projects, focusing on strategy, contract management, cost optimization, and scalable procurement processes within Mariana Minerals.

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

Qualifications

  • 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

Skills

Required:Procurement strategyContract negotiationCommercial risk management
Nice to have:Spend analytics

Benefits

  • Offers Equity
Last updated Sep 9, 2026. Interested? Apply on the company site.

About Mariana Minerals

We to the Future of Minerals, verify the mineral supply chain.

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.

software-firstmineralsenergyAIdefense
Company profileWebsite

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