Customer Success Engineer - Technical Support

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:

We are looking for a Customer Success Engineer to join a dynamic, cross functional team dedicated to driving IonQ's mission of delivering exceptional experiences for our customers. In this role, you will be a frontline technical resource for users of IonQ's quantum computers, resolving day to day platform issues, answering technical questions and helping customers get unblocked so they can keep running jobs on our systems.

This is a great opportunity to build a career in quantum computing while developing deep, hands on platform expertise. Customer obsession, curiosity and clear communication matter most here, and you should be excited to learn quantum computing fundamentals on the job and to grow into more senior technical customer facing positions over time.

Responsibilities:

You will respond to customer support tickets and enquiries, troubleshooting job failures and platform issues using standardised workflows and escalating complex cases to senior Customer Success or Applications colleagues where needed. You will also support the onboarding of new users onto IonQ's cloud platform, from account setup and platform walkthroughs to early technical questions.

Alongside this, you will help monitor platform and system status, communicating clear and timely updates to customers during incidents or planned maintenance. You will maintain internal and customer facing documentation, pass customer feedback and common pain points to Product, Engineering and senior Customer Success colleagues, and build your knowledge of IonQ's hardware, software and quantum computing fundamentals over time.

Key responsibilities include:

• Frontline technical support: resolve support tickets and troubleshoot job failures and platform issues.
• Onboarding assistance: help new users with account setup, platform walkthroughs and early technical questions.
• Incident communication: monitor system status and keep affected customers updated during incidents and maintenance.
• Documentation and knowledge base: maintain FAQs and troubleshooting guides based on recurring support themes.
• Health and usage monitoring: track job metrics and usage to flag at risk accounts and emerging support trends.

Requirements:

You will hold a bachelor's degree in Computer Science, Physics, Engineering or another related STEM field, or have equivalent practical experience. You will bring 3+ years of experience in technical support, customer support or another technical customer facing role, a basic working knowledge of Python and familiarity with SaaS platforms, REST APIs or ticketing and helpdesk systems.

You will have strong written and verbal communication skills, with the ability to explain technical concepts clearly to customers with varying levels of expertise. You will take a proactive, detail oriented approach to troubleshooting and be willing to learn quickly in a fast paced, interdisciplinary and international start up environment.

You’d be a great fit with:

• Exposure to quantum computing frameworks or SDKs such as Qiskit, Cirq or PennyLane.
• Working knowledge of Jupyter Notebook, Google Colab or similar platforms.
• Basic proficiency in SQL.
• Prior experience with ticketing systems such as Zendesk or Jira Service Management.
• Coursework or personal projects in quantum computing, linear algebra or probability.

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!