Staff Quantum Success Engineer

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,andAstraZeneca 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.  

Role Overview

Role:

IonQ is seeking a Staff Quantum Success Engineer to lead technical customer success in South Korea, as part of a cross functional team dedicated to delivering exceptional customer experiences. You will be IonQ's primary customer facing technical expert in the region, working hands on with Korean research institutions, enterprises and government partners to drive real adoption of our trapped ion quantum computers.

As a trusted technical advisor, you will bridge deep platform and quantum algorithm expertise with customer empathy, guiding organisations through onboarding, performance optimisation, circuit design and workflow integration. It is a high visibility role that influences business and highly technical stakeholders, inside IonQ and out, and suits someone who is committed to continuous learning in quantum computing and loves sharing what they know.

Responsibilities:

You will drive adoption across major Korean accounts, translating contract terms into technical provisioning, leading onboarding and managing day to day technical engagement. You will build success plans and playbooks tailored to each account, remove barriers to adoption, standardise troubleshooting for job failures and provide direct, high touch technical support, coordinating with global teams across time zones to improve satisfaction and retention.

You will be the internal voice of the Korean customer across Product, Cloud Platform, Data Engineering, Operations, Product Marketing, Sales and Engineering, sharing insight on functionality, documentation and educational material, and helping refine term sheet language so customer expectations match technical capabilities. You will also help define new service offerings from customer feedback and keep several interconnected technical initiatives aligned with IonQ's strategic goals and schedules.

Key responsibilities include:

• Lead technical onboarding for major Korean accounts and manage day to day technical engagement.
• Guide customers on best practice for designing quantum circuits, applications and workflows in optimisation, machine learning and chemistry or materials simulation, working closely with IonQ's compiler and systems experts.
• Create workshops, challenges and curricula, including code, circuits, slides and videos, and deliver training in Korean and English.
• Design and maintain dashboards of job metrics, system usage and customer health, turning usage data into actionable technical intelligence.
• Represent IonQ on standards bodies, government committees and quantum working groups, and present at conferences and workshops in Korea and across Asia Pacific.

Requirements:

You will hold a Master's or PhD in Physics, Computer Science, Machine Learning, Operations Research or a related STEM field, with 5+ years in technical customer facing roles or equivalent and a proven record of performance. You will have 3+ years creating customer facing technical content such as training material, success plans, playbooks and workflows, hands on experience with Python and quantum frameworks such as Qiskit, Cirq, PennyLane or CUDA-Q, and working knowledge of Jupyter Notebook, Google Colab or similar platforms.

You will have a strong grasp of the physics and mathematics behind quantum computing, including linear algebra and probability, and exceptional technical and executive presentation skills, able to influence researchers, end users and C-suite executives alike. You will be a proven teacher of complex topics, from large lectures to one to one mentoring, and work well in a team. Fluency in Korean and professional proficiency in English are required. You will be based in South Korea, with up to 30% travel to customer sites and conferences, mainly within Korea and Asia Pacific, and occasional evening meetings to support global customers.

You’d be a great fit with:

• In depth knowledge of the strengths and weaknesses of different quantum hardware platforms, and of hardware and software dependencies.
• Demonstrated experience in quantum information science, applications and algorithms.
• Experience with SaaS platforms, REST APIs or HPC systems, and proficiency in SQL, data science or data analytics.
• Familiarity with subscription and renewal business models, and experience setting business strategy and objectives backed by data driven reporting.
• The ability to hold technical and business discussions across finance, pharmaceuticals and healthcare, chemistry, computer vision and operations research.

The total compensation package includes base salary, bonus, equity, and a range of benefits available on our career site.

Compensation will vary based on individual factors such as education, qualifications, and experience of the final candidate(s), specific office location, and calibration against relevant market data and internal team equity. Posted base salary figures are subject to change as new market data becomes available. 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 in these benefit plans will be provided when a candidate receives an offer of employment. 

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.

US Technical Jobs.  The position you are applying for will require access to technology that is subject to U.S. export control and government contract restrictions.  Employment with IonQ is contingent on either verifying “U.S. Person” (e.g., U.S. citizen, U.S. national, U.S. permanent resident, or lawfully admitted into the U.S. as a refugee or granted asylum) status for export controls and government contracts work, obtaining any necessary license, and/or confirming the availability of a license exception under U.S. export controls.  Please note that in the absence of confirming you are a U.S. Person for export control and government contracts work purposes, IonQ may choose not to apply for a license or decline to use a license exception (if available) for you to access export-controlled technology that may require authorization, and similarly, you may not qualify for government contracts work that requires U.S. Persons, and IonQ may decline to proceed with your application on those bases alone.  Accordingly, we will have some additional questions regarding your immigration status that will be used for export control and compliance purposes, and the answers will be reviewed by compliance personnel to ensure compliance with federal law.  

US Non-Technical Jobs.  Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. Accordingly, we will have some additional questions regarding your immigration status that will be used for export control and compliance purposes, and the answers will be reviewed by compliance personnel to ensure compliance with federal law.

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