Commercial Manager, Energy & Utilities

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.

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  Develop utilities contracting strategy for each site, from initial connection through steady-state operations

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  Negotiate power, water, and natural gas agreements covering rates, terms, and renewal structures; benchmark pricing against market and comparable facilities

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  Assess utility and service providers on credit, financial stability, and delivery reliability

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  Convert site load forecasts and operating plan changes provided by engineering and operations into utility capacity and contract requirements

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  Evaluate renewable energy options including on-site generation (including solar and geothermal energy), battery storage, and power purchase agreements, covering cost, reliability, and operational impact

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  In coordination with our Government Affairs function, work with utilities, local governments, and relevant community stakeholders to advance utility access and generation strategies for sites, including economic incentives, permitting, and related regulatory pathways

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  Track utilities contracts across the portfolio, monitoring expiration dates, renewal windows, and supply risk; report on utilities spend and contract status to leadership
  

• 5+ years negotiating utility, energy, or industrial infrastructure service contracts, ideally from the customer side

• Working knowledge of power markets, rate structures, and interconnection processes

• Strong credit and counterparty risk judgment

• Proven ability to make and defend commercial decisions independently, with limited day-to-day direction

• Hands-on experience with at least one renewable procurement structure such as a PPA or green tariff, and a working understanding of the others

• Familiarity with on-site generation and battery storage (solar, microgrids), including project economics and incentives

• Ability to work with engineers to assess technical feasibility, reliability tradeoffs, and payback

• Experience with international utility and energy contracting is a plus