Business Operations Manager

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.

Mariana Minerals is looking for a Business Operations Manager to lead operational strategy and business performance management for its Lithium business, based out of Mariana's Houston or San Francisco office. This role sits at the intersection of Finance, Business Development and Operations — translating operational performance into financial insight and helping leadership make faster, better-informed decisions.

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• 5-10+ years in business operations or program management; experience in energy, chemicals, manufacturing, or another industrial sector is a plus

• Demonstrated ability to build and own operational reporting systems (define KPIs, design dashboards, implement data collection workflows)

• Experience implementing or maintaining a quality management system; familiarity with ISO 9001 or similar frameworks preferred.

• Able to build operational structure around the technical and commercial work of others

• Strong communicator with experience distilling complex operational issues into clear updates for leadership and keeping distributed teams aligned

• Proven track record leading cross-functional projects in fast-moving environments with minimal oversight

• Experience working directly with frontline operations and executive leadership; comfortable influencing without authority across all levels

• Comfortable on-site in an industrial environment; this is a full-time, in-person role in Houston, TX