Procurement Specialist

Mariana Minerals•Houston, TX

46d

About The Position

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. We are looking for a hands-on, commercially strong Procurement Specialist to support capital project delivery across equipment, construction, and industrial services. This role is not transactional purchasing. You will own defined procurement scopes end-to-end, from strategy through contract award and execution, and directly impact project schedule and capital efficiency.

Requirements

2-5+ years of procurement experience in:
Equipment purchasing,
Heavy industry
Capital construction
Infrastructure or industrial projects
Experience leading competitive sourcing processes for capital equipment or construction.
Strong contract negotiation skills.
Clear understanding of commercial risk allocation.
Proficient with ERP/procurement systems and structured documentation.

Responsibilities

Own Capital Procurement Workstreams
Lead pre-award, award, and post-award contracting activities for capital equipment, construction packages, and industrial services.
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.
Manage Contracts & Commercial Risk
Draft, review, and negotiate NDAs, MSAs, construction work orders, and equipment purchases.
Manage change orders and commercial amendments in coordination with project teams.
Ensure documentation is structured, defensible, and audit-ready.
Drive Cost & Value
Analyze spend and identify savings or value-creation opportunities.
Support competition in the supplier market.
Conduct commercial risk assessments to reduce schedule and supply chain exposure.
Build Better Systems
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.