Mizuho’s Energy Investment Banking team is seeking a technically skilled and commercially minded Engineering Technician to join our Energy Investment Banking team in Houston. This role supports the evaluation and execution of upstream oil & gas transactions, working closely with petroleum engineers, bankers, and clients to deliver high-impact technical and financial insights. Key Responsibilities Include: + Support technical evaluation of oil & gas assets, including reserves, production, development plans, and economic modeling + Prepare engineering materials for client presentations, pitchbooks, and data rooms—type curve analysis, basin benchmarking, and asset maps + Assist in live deal execution: manage data room logistics, coordinate Q&A, and support due diligence efforts + Collaborate with senior engineers and bankers to assess asset quality, upside potential, and technical risks + Maintain and update internal databases and technical models used for meeting materials and M&A / A&D processes Key Qualifications Include: + Bachelor’s degree in Petroleum Engineering, Geoscience, or related technical field. + 1–5 years of experience in upstream oil & gas, preferably in engineering, A&D advisory, or investment banking + Familiarity with Aries, Enverus, Spotfire, PHDWin, and Microsoft Excel/PowerPoint + Strong communication skills—able to translate technical findings into clear, client-ready insight + Detail-oriented with the ability to manage multiple workstreams under tight deadlines #LI-Onsite Greenhill & Co., Inc., part of Mizuho Americas, is focused on providing financial advice on significant mergers, acquisitions, restructurings, financings and capital raising to corporations, partnerships, institutions and governments globally. It acts on behalf of clients throughout the world from its offices in the Americas, EMEA, and APAC .