Commonwealth Fusion Systems is at the forefront of fusion energy development, working to revolutionize the energy industry through commercially viable fusion power plants. As a Senior Process Engineer for Vacuum Systems, you'll play a crucial role in developing, installing, and commissioning high and ultra-high vacuum systems for the SPARC program. This position combines hands-on technical expertise with leadership responsibilities, requiring deep involvement in system installation and team coordination. The role presents unique challenges, including managing tritium fusion fuel containment systems and collaborating across multidisciplinary teams. With over $2 billion in capital raised since 2018, CFS offers a dynamic environment where you'll contribute to groundbreaking energy solutions. The position offers competitive compensation ($80,000-$180,000), comprehensive benefits, and the opportunity to work with cutting-edge technology in fusion energy. The ideal candidate will bring 10+ years of relevant experience and thrive in a fast-paced, mission-driven environment focused on delivering the urgent transition to fusion energy.