Commercial Manager, Energy & Utilities

Mariana Minerals • San Francisco, CA

4d • $130,000 - $190,000

About The Position

Mariana Minerals is hiring a Commercial Manager, Energy & Utilities, to own electricity, water, and natural gas agreements across operating sites and sites in development. This is a commercial role that translates load requirements and operating plans from engineering and operations into negotiated service agreements, benchmarked rates, and contract structures suited to Mariana’s long-term needs.

The role covers traditional utility contracting and alternative energy options, including on-site generation, storage, and renewable supply. The Commercial Manager assesses providers’ creditworthiness and reliability, works with local governments and utilities on permitting and incentives, and maintains visibility into utilities spending and supply risk across the company’s portfolio.

Mariana Minerals describes itself as a software-first, vertically integrated minerals company working to supply critical minerals for energy, AI, and defense technologies. Its culture emphasizes safety, ownership, simplifying and automating work, and open collaboration.

Requirements

• At least 5 years of experience negotiating utility, energy, or industrial infrastructure service contracts, ideally from the customer side.
• Working knowledge of power markets, rate structures, and interconnection processes.
• Strong judgment regarding credit and counterparty risk.
• 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 working understanding of other structures.
• Familiarity with on-site generation and battery storage, including solar, microgrids, project economics, and incentives.
• Ability to work with engineers to assess technical feasibility, reliability tradeoffs, and payback.

Nice To Haves

• Experience with international utility and energy contracting.

Responsibilities

• Develop utilities contracting strategy for each site, from initial connection through steady-state operations.
• Negotiate power, water, and natural gas agreements, including rates, terms, and renewal structures, and benchmark pricing against the market and comparable facilities.
• Assess utility and service providers for credit, financial stability, and delivery reliability.
• Translate site load forecasts and operating plan changes from engineering and operations into utility capacity and contract requirements.
• Evaluate renewable energy options, including on-site solar and geothermal generation, battery storage, and power purchase agreements, considering cost, reliability, and operational impact.
• Coordinate with Government Affairs to work with utilities, local governments, and relevant community stakeholders on utility access and generation strategies, economic incentives, permitting, and related regulatory pathways.
• Track utilities contracts across the portfolio, monitor expiration dates, renewal windows, and supply risk, and report utilities spending and contract status to leadership.

What This Job Offers

• Job Type: Full-time
• Career Level: Manager
• Education Level: No Education Listed