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Manager, Corporate Development

Mariana Minerals - Houston, TX, USA - In-office - posted 2026-10-23

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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. The Corporate Development team raises capital and closes transactions that move Mariana's projects from development to operation. The team operates at the intersection of corporate finance, project finance, and M&A, working directly with the CEO, CFO, and commercial leadership. As Manager, Corporate Development, you will lead transaction workstreams end-to-end, owning the process, counterparties, and analysis. You will negotiate directly with investors, lenders, and strategic partners; manage external advisors; and help shape how Mariana finances its projects and pursues growth. Key responsibilities include: • Leading individual financing and M&A workstreams from origination through close, including process design, timeline management, and counterparty engagement • Negotiating commercial and financing terms directly with investors, lenders, strategics, and trading houses alongside legal and commercial teams • Owning financial models and investment cases for each transaction, reviewing and directing Associate-level work • Structuring transactions across the capital stack: project equity, project finance debt, export credit agency and government-backed financing, prepayments, and offtake-linked structures • Managing third-party diligence and advisors, synthesizing findings into clear recommendations for management and the board • Building and maintaining relationships with investors, lenders, and strategic partners • Helping design and build the corporate development function on MarianaOS and mentoring junior team members The role is based in Houston, TX (in-office), with San Francisco, CA as an alternative location. Target start is early 2027. REQUIREMENTS: • 4–7+ years in investment banking, private equity, or corporate development, with experience leading workstreams on closed transactions • Expert financial modeling and judgment to identify value-driving assumptions • Demonstrated ability to manage counterparties and negotiate terms • Executive presence and clear written and verbal communication with senior stakeholders • Comfort with ambiguity and building process where none exists • Bachelor's degree required; MBA or CFA a plus NICE TO HAVE: • Project finance experience in mining, energy, power, or infrastructure • Exposure to commodity offtake, prepayment, or trade finance structures • Experience working with export credit agencies, development finance institutions, or government loan programs

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