Senior Software Engineer - Embedded Systems

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.  

Location: This role will work onsite at our office located in Bothell, WA.
Travel: 10% travel, international and domestic
Job ID: 1543

The Role: 

We are looking for a Senior Software Engineer for Embedded Systems. In this role, you’ll be part of a cross-functional team whose mission is to lead IonQ on its journey to build the world’s best quantum computers to solve the world’s most complex problems. 

The electronic controls software team creates low level embedded software that orchestrates control for our quantum computers. In this role, you will work to expand the control scheduling and control flow of our quantum control system. This role requires working closely with research physicists, hardware engineers, fpga engineers, and other software teams at all stages of the software lifecycle.

Responsibilities:

• Design, develop, test, deploy, maintain and improve software components, systems, and features for embedded device control
• Write high-quality, well-tested, production-ready code in Rust and other languages
• Collaborate with an experienced interdisciplinary staff
• Approach problems pragmatically
• Help us continuously improve how we do things
• Participate in the development process (planning, reporting, support)

Requirements:

• Bachelor’s degree in Engineering, Computer Science, or equivalent practical experience
• 3+ years experience in software development in one or more general purpose programming languages, with knowledge of at least one systems programming language (e.g. C, C++, Rust)
• Experience on embedded hardware
• Experience writing deterministic real-time software
• Excellent verbal and written communication skills
• A love of collaborating in an interdisciplinary environment

Preferred Qualifications:

• Master’s degree or PhD in Engineering, Physics, Math, Computer Science, or related technical field
• Exp