Staff Harness Engineer

About IonQ: IonQ, Inc . [NYSE: IONQ] is the world’s leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance . Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. About Capella Capella, an IonQ company, spans national security, advanced sensing, and next-generation compute to deliver secure, mission-ready intelligence. Capella’s culture is built on collaboration, rigorous engineering, and a shared commitment to delivering solutions that strengthen global stability and security. Team members work side-by-side with some of the most innovative minds in space systems, quantum-enabled technologies, and mission-critical operations. Capella values curiosity, resilience, and a willingness to tackle hard problems with precision and creativity. Capella welcomes and encourages applicants whose perspectives are historically underrepresented in technology, national security, and aerospace. No prior space experience is required. Diverse viewpoints strengthen Capella’s ability to innovate and deliver meaningful impact for partners worldwide. Location: This role is based onsite at our Louisville, CO office. Travel: Up to 10%, domestic or international. Job ID: 1669 The Role As a Staff Electrical Hardware Design Engineer, you will take ownership of full-cycle PCBA designs, from early concept to flight readiness. You will work cross-functionally with RF, mechanical, software, FPGA/SoC, and operations teams to bring high-reliability, space-ready electronics to orbit. You will guide the Electrical Engineering team on special topics and present across disciplines to help facilitate ideas, product readiness, and conduct reviews. Responsibilities Design System Level harnesses from power distribution to high-speed communications Own the harness design lifecycle and implement harness design best practices Collaborate across teams—mechanical, RF, electrical, and systems—to ensure seamless integration. Knowledge of industry-standard electrical design principles, to include, but not limited to electrical component selection, testing, manufacturing, and production processes Technical point of contact for Wire, Cable, Connector, and Harness suppliers Support resolving non-conformances from harness suppliers Provide critical input to schedule planning, hardware requirements, and process improvements Define test plans and verification strategies that meet flight readiness requirements What Success Looks Like You consistently deliver flight-quality harnesses on schedule with minimal oversight You proactively identify and articulate system-level risks and drive mitigations early You communicate across hardware/software and cross-functional gaps with confidence and clarity You make thoughtful trade-offs in constrained environments and justify them with data You show curiosity about advanced areas like architecture optimization or radiation mitigation, even if they’re outside your scope for now You exhibit advanced wide-ranging experience in harness engineering, using in-depth professional knowledge You get things