Senior Mechanical Design Engineer

Castelion is seeking a high-output Senior Mechanical Design Engineer with a full-stack, Responsible Engineer mindset and experience shipping flight hardware. This person will be responsible for critical flight structures and mechanism design and build efforts for Castelion's hypersonic vehicles. The Senior Mechanical Design Engineer will work closely with a fast-moving team of peers and engineering leadership to ensure mission-critical hardware is delivered on time and meets demanding technical performance.