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

Sr. Procurement Specialist - Construction at Mariana Minerals

Sr. Procurement Specialist - Construction

Mariana Minerals · CA, US

1 weeks ago

Sr. Procurement Specialist - Construction

Mariana Minerals · CA, US

10 days ago
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About the Role

Mariana Minerals is seeking a hands-on, commercially strong Procurement Specialist to support capital project delivery across construction services. This role involves owning defined procurement scopes end-to-end, from strategy through contract award and execution, directly impacting project schedule and capital efficiency.

Responsibilities

  • Lead pre-award, award, and post-award contracting activities for capital construction packages
  • Develop and execute procurement strategies aligned with project schedules and critical path activities
  • Drive commercial negotiations focused on total cost, risk allocation, and delivery certainty
  • Support PO conversion, approvals, and procurement system execution
  • Draft, review, and negotiate NDAs, MSAs, and construction work orders
  • Manage change orders and commercial amendments in coordination with project teams
  • Ensure documentation is structured, defensible, and audit-ready
  • Analyze spend and identify savings or value-creation opportunities
  • Support competition in the supplier market
  • Conduct commercial risk assessments to reduce schedule exposure
  • Help design scalable procurement processes as the company grows
  • Improve cycle times and reduce friction in sourcing and approvals
  • Contribute to building a disciplined, data-driven procurement function from the ground up

Requirements

  • 5–7+ years of procurement experience in heavy industry, capital construction, infrastructure, or industrial projects
  • Experience leading competitive sourcing processes for construction
  • Strong contract negotiation skills
  • Clear understanding of commercial risk allocation
  • Proficient 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.