Staff Harness Engineer

Entangled Future; Louisville (CO); Hybrid; USD 120,000 - 180,000; Full time

Job summary

IonQ is seeking a Staff Harness Engineer in Louisville, CO (remote) to lead the design and validation of complex harnesses for Capella systems. You will collaborate with electrical design engineers, perform tests, and contribute to RF cabling strategies across product lifecycles.

The role requires a strong background in harness engineering, precise documentation, and the ability to work in a high-precision quantum computing environment.

Qualifications

• Bachelor's degree in Electrical or Mechanical Engineering or related field; equivalent experience considered.
• 5+ years designing, testing, and troubleshooting complex harnesses.
• Experience with end-to-end product lifecycle design and validation.
• Knowledge of PCBA’s and working with electrical design engineers on harnessing requirements.
• Understanding of RF cabling, components, and testing.
• Strong organizational skills and meticulous documentation habits.

Skills

Harness design

Documentation

RF cabling knowledge

Electrical design collaboration

Education

Bachelor's degree in Electrical or Mechanical Engineering or related field

5+ years harness design experience

Tools

SolidWorks

CAD software

Job description

Staff Harness Engineer at IonQ, Louisville, Colorado, United States (remote). A lead-level full time position in the Capella team, listed under business operations.

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 w

Requirements

• Bachelor of Science or higher from an accredited college in Electrical Engineering, Mechanical Engineering or related discipline, or equivalent experience/combined education
• 5+ years’ experience designing, testing, and troubleshooting complex harnesses
• Experience with designing and maintaining systems from beginning to end of the product lifecycle
• Knowledge of PCBA’s and working closely with electrical design engineers to define harnessing requirements and inform board level design decisions
• An understanding of RF cabling, components, and testing
• Excellent Organizational skills and strong documentation habits
• Strong knowledge of industry harnessing standards (NASA-STD-8739.4, IPC/WHMA-A-620, etc)
• Experience with SolidWorks or other CAD applications