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Mariana Minerals is a software-first, vertically integrated minerals company supplying critical minerals for modern energy, AI, and defense technologies. The company is reimagining the minerals supply chain through deep industry expertise combined with advanced software, automation, and data-driven decision-making.
You will own the sourcing, contracting, and lifecycle management of mobile and heavy equipment across Mariana's operating sites and projects, including haul trucks, excavators, loaders, fleet vehicles, and forklifts. This is a hands-on buying role with significant field exposure, requiring close collaboration with operations and engineering teams to understand equipment needs, evaluate options, negotiate with OEMs and dealers, and manage the equipment fleet commercially.
Key responsibilities include:
- Owning procurement of mobile equipment across all operating sites and projects, from initial specification through contract execution, delivery, and ongoing lifecycle management
- Working with operations and engineering teams to define equipment requirements and evaluate OEM and dealer options against technical and commercial criteria
- Negotiating pricing, warranty, parts and service terms, and end-of-life provisions with OEMs, dealers, and rental providers
- Identifying opportunities to standardize fleet composition across sites to reduce total cost of ownership and simplify maintenance
- Managing supplier relationships for mobile equipment categories and monitoring OEM and dealer performance
- Coordinating with logistics on equipment delivery, transport permitting, and mobilization to site
- Traveling frequently to operating and project sites to assess equipment needs, inspect assets, and support site teams
REQUIREMENTS:
- Bachelor's degree in engineering, supply chain, business, or a related field; equivalent technical experience will be considered
- 5-10 years of procurement experience in mobile equipment, fleet, or capital equipment categories in mining, construction, oil and gas, or a related industrial sector
- Hands-on negotiation experience with OEMs and dealers; track record of securing favorable commercial terms
- Technical familiarity with mobile mining or industrial equipment sufficient to evaluate options and engage credibly with operations teams
- Willingness and ability to travel frequently to operating and project sites (25%-50%)
- Comfortable operating with ambiguity and limited structure; takes ownership and figures it out
- Proficient with software tools for contract tracking, fleet management, and reporting
