Strategic Global Sourcing Leader for Pre-Op Projects

Marianaminerals; San Francisco, Northern (CA, KY); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Mariana Minerals seeks a Global Sourcing Manager to own procurement for new projects and pre-operational sites. You will translate project needs into contracts, manage vendor relationships, and drive sourcing opportunities across the portfolio.

You will handle operating supplies, reagents, and non-construction capital spend, ensuring policy compliance and smooth handoffs as sites become operational.

Qualifications

• Bachelor's degree in engineering, materials science, chemistry, or related field required.
• Experience leading pre-operational or greenfield procurement from spec to first delivery.
• Strong technical background with ability to read specs and engage with engineering teams.

Responsibilities

• Define procurement requirements for pre-operational sites with engineering teams.
• Own end-to-end pre-operational procurement processes, RFQ, bids, pricing, contracts, deliveries.
• Procure operating supplies, consumables, and non-construction capital spend.
• Review contracts for policy compliance and enterprise alignment.
• Maintain vendor relationships through pre-operational phase and handoff to on-site procurement.
• Support on-site procurement for complex purchases and high-value negotiations.
• Lead cross-site consolidation sourcing events to capture volume savings.
• Contribute supplier data to pricing and market intelligence databases.
• Coordinate across site and project teams to ensure continuity of supply during startup and operations.

Skills

Vendor management

Negotiation

Cross-functional collaboration

Procurement strategy

Project management

Sourcing analytics

Education

Engineering degree or equivalent

Tools

Project tracking software

Job description

Mariana Minerals seeks a Global Sourcing Manager to own procurement for new projects and pre-operational sites. You will translate project needs into contracts, manage vendor relationships, and drive sourcing opportunities across the portfolio.

You will handle operating supplies, reagents, and non-construction capital spend, ensuring policy compliance and smooth handoffs as sites become operational.