Staff Harness Engineer
IonQ
| Company | IonQ |
| Category | Engineering |
| Location | Louisville |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 10 Jun 2026 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (greenhouse) |
Description
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 Harness 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
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