IonQ
Senior Materials Planner
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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: Oxford, England, United Kingdom
Travel: Up to 10%, International
Job ID: 1895
The Role
We are looking for a Senior Materials Planner to join our Supply Chain and Inventory team in Oxford. You would be working closely with engineering, manufacturing, and procurement to make sure the right parts arrive when the build needs them.
Our engineering builds and New Product Introduction programmes move at the pace of the parts that arrive. When a single long lead item slips, a build slot sits idle and the schedule behind it shifts. Today the picture of what is on order, what is late and what that does to the next build lives in several places at once, across MRP data, vendor conversations, and spreadsheets. Nobody owns the whole picture, and that is the job.
You will run system level materials planning from MRP data, turning forecast into a build schedule people can rely on. You will source and negotiate with vendors, raise purchase requisitions, and chase deliveries that are drifting. A good deal of this role is telling people early that a date has moved.
This is an in-office role in Oxford, five days a week. Materials planning here depends on being close to the builds, the stores, and the people running them.
Responsibilities
In this position, you will have the opportunity to improve material availability, accelerate production timelines, and strengthen supply chain reliability across engineering and NPI programmes.
Your key responsibilities can be split into two categories:
Planning and scheduling
- Execute system level materials planning from MRP data to support engineering builds and NPI schedules
- Publish and maintain daily and weekly build schedules from forecast analysis and material availability
- Monitor, report, and resolve material shortages, discrepancies, and constraints before they stop a build
- Manage production work orders and report on material readiness and build progress
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Vendor and supply
- Source and negotiate with vendors, including obtaining quotes and agreeing lead times
- Raise purchase requisitions and expedite deliveries that are slipping
- Act as the point of contact between vendors and the internal teams waiting on parts
- Work across engineering, manufacturing, and procurement to clear blockers on critical builds
Requirements
To be successful, you will need five or more years of materials planning in a manufacturing environment with multi-level bills of materials, or an equivalent combination of education and experience. You will have a working command of MRP across planning, purchasing, inventory, and manufacturing operations, hands-on experience with ERP and PLM systems, and the confidence to analyze large sets of data and act on what they tell you. You will need to lead cross-functional work, speak plainly to vendors and internal teams alike, and operate with urgency in an environment where priorities move.
You'd be a great fit with:
- Experience with NetSuite (Oracle)
- Experience with Power BI
- Experience with Google Workspace
- A relevant certification such as CIPS, CILT, APICS CPIM, or CSCP
- Project management experience
Benefits
Be part of a team that’s shaping the future of quantum. We offer more than just a role, you’ll join a world-class community of scientists, engineers, and innovators working to unlock the full potential of quantum computing.
We offer a range of benefits, including opportunities to further your career alongside industry leaders, a competitive salary with IonQ stock options, an annual performance bonus, generous annual leave, flexible hybrid working, private medical and dental insurance for you and your family, and much more.
Join us and be part of the future of quantum computing.
We’re proud to be an equal opportunity employer and welcome applicants from all backgrounds.
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.
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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!
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