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 20× 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.

This role will work onsite at our office located in Bothell, WA.

10% travel, international and domestic.

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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.

• 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)

• 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

• Master's degree or PhD in Engineering, Physics, Math, Computer Science, or related technical field
• Experience with compiler software design
• Experience with oscilloscopes, logic analyzers, or other hardware test equipment

Approximate base salary range: $151,756 – $198,688. Total compensation includes base, bonus, equity, and a range of benefit options found on our career site.

Our benefits include comprehensive medical, dental, and vision plans; matching 401(k); unlimited PTO and paid holidays; parental/adoption leave; legal insurance; and a home technology stipend. Details of participation will be provided upon offer.

At IonQ, we believe in fair treatment, access, opportunity, and advancement for all while striving to identify and eliminate barriers. We empower employees to thrive by fostering a culture of autonomy, productivity, and respect. We are dedicated to creating an environment where individuals can feel welcomed, respected, supported, and valued.

We are committed to equity and justice. We welcome different voices and viewpoints and do not discriminate on the basis of race, religion, ancestry, physical and/or mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, transgender status, age, sexual orientation, military or veteran status, or any other basis protected by law. We are proud to be an Equal Employment Opportunity employer.

The position requires access to technology subject to U.S. export control and government contract restrictions. Employment is contingent upon verifying U.S. Person status or obtaining necessary licenses, and confirming availability of a license exception. Candidates must respond to questions about their immigration status for compliance purposes.

If you are interested in being a part of our team and mission, we encourage you to apply!