Chief of Staff, Founder Operations

Who We Are: Looking ForExtreme ownership and attention to detail. You are AI native, your first instinct is to use AI to find the answer and move. You have experience supporting technical founders and ambition to become a founder yourself. You're passionate about space, defense, propulsion, and American progress. Ideal backgrounds include deep tech / defense startup experience, or military team leadership combined with startup experience. You need to be extremely sharp, high agency, and comfortable personally executing both strategic projects and mundane tasks. This includes creating exceptional documents, finding facilities, supporting equipment purchases, and coordinating external legal, accounting, recruiting, HR, web, and PR teams. This role requires access to U.S. export-controlled information. Candidates must qualify as a U.S. person under applicable export control laws, including U.S. citizens, U.S. nationals, lawful permanent residents, refugees, and asylees. You must be willing to work from Los Angeles or Austin, but may start remotely. This role can grow into significant operating leadership as Stellios scales. Competitive compensation and meaningful equity.