Vast is pioneering the future of space habitation by developing artificial gravity space stations to enable long-term human presence in space without zero-gravity's adverse effects. Their flagship project, Haven-1, is set to become the world's first commercial space station when it launches in May 2026. As a Senior Software Security Engineer at Vast, you'll join a mission-driven team working on critical security infrastructure for space exploration. The role offers unique opportunities to work with experienced engineers from aerospace and tech sectors, building secure software systems that directly contribute to humanity's space future. You'll be responsible for designing and implementing security services, collaborating with various engineering teams, and maintaining mission-critical security infrastructure. The position offers competitive compensation ($150,000-$237,000) and comprehensive benefits including full healthcare coverage, equity, and various wellness perks. This is an ideal opportunity for experienced security engineers passionate about space exploration and wanting to make a direct impact on humanity's future in space.