As the Manager of Supplier Development Engineering, you will lead the strategy, execution, and continuous improvement of Helion’s supplier readiness, supplier quality, and supplier technical capability as we scale from prototype builds to high-volume manufacturing for fusion generator production. You will manage a team of Supplier Development Engineers and partner closely with design engineering, manufacturing, supply chain, and operations to ensure suppliers can meet Helion’s technical, quality, cost, and delivery requirements. You will drive supplier performance, develop long-term manufacturing capability, and build a resilient, high-quality supply chain that accelerates Helion's mission of delivering clean fusion electricity. This is an onsite role that reports directly to the Senior Manager of Mechanical Engineering at our Everett, WA office.