Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage. About The Role: We are seeking a Senior Strategic Sourcing Manager, Indirect to lead sourcing strategy and supplier management across critical indirect spend categories within a fast-paced aerospace and defense environment. This is a highly strategic role focused on building scalable sourcing frameworks, driving supplier performance, and supporting rapid company growth from development through production scale-up. You will own end-to-end sourcing activities across categories such as Professional Services, Software/SaaS, IT Infrastructure, Facilities, Capital Equipment, and Corporate Services. The ideal candidate is highly autonomous, commercially strong, operationally minded, and comfortable operating in ambiguity while partnering cross-functionally with Engineering, Manufacturing, Finance, Legal, IT, and Executive Leadership.