Senior Flight Software Engineer

Senior Flight Software Engineer at IonQ, Louisville, Colorado, United States;
San Francisco, California, United States (remote). A senior-level full time position in the Capella team, listed under software engineering.

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

• Bachelor’s degree in computer science, computer engineering, electrical engineering, or a related field or equivalent practical experience.
• 5+ years of relevant, hands-on engineering experience.
• Ability to support a design through all software life cycles including initial schematic review and architectural tradeoffs, preliminary and detailed design, implementation, integration, and test.
• Experience working with real-time embedded systems - both hardware and software, including low-level drivers.
• Hands on experience developing, testing, and debugging hard real-time software (bare-metal or RTOS).
• Familiarity with embedded Linux, Linux kernel modules, and standard Linux tools.
• Strong knowledge of programming compiled (C, C++) and scripted (Python, shell script, etc.) languages.
• Experience writing software for microcontrollers and other embedded systems, e.g., Xilinx Zynq SoCs.