Materials Engineer Jobs in Madrid.
All active Materials Engineer roles based in Madrid.
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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.
We are looking for a Senior Quantum Field Engineer. As a Senior Quantum Field Engineer, you’ll be part of a team whose mission is to lead IonQ on its journey to build the world’s best quantum solutions and solve the world’s most complex problems. Field Engineering sits at the intersection of customers, markets, products and product teams, algorithms, applications, innovation and strategy - this is the team where ideas become applied and have impact.
Join a nimble team of scientists, engineers, salespeople, marketers, business developers, and product managers to drive an entirely new quantum computing business. We’re seeking versatile engineers and architects skilled in technical sales, technical demos and customer interactions who feel energized to deliver IonQ’s quantum computing products and quantum applications.
Responsibilities:
- Inspire prospective clients by explaining IonQ’s strategy, portfolio and answering technical questions about quantum portfolio (compute, network, security, sensing and space) and quantum applications.
- Lead and shepherd client discussions, inspiring them to see how quantum applications can be implemented in their business domain.
- This includes working through business needs and mapping Quantum Algorithms (financial services, bioscience, chemistry and materials, optimization, generative AI, and other domains) into application code and executing Proof-of-Concepts together with the IonQ Application team.
- Share insights from clients with the IonQ Product Management and Engineering teams such that client feedback is incorporated into our products.
- Navigate competitive objection handling
- Translate business needs expressed by our clients into technical work projects in collaboration with other team members.
- Create assets to explain features of our quantum applications and other IonQ quantum products.
- Move dialogs from initial ideation to focused exploration domain through to proof-of-concept and ultimately into production workflows.
- Lead client discovery sessions for business-oriented use cases that uncover potential overlap with development of useful quantum algorithms together with the IonQ Application team
- Partner with marketing, developer relations and business development to grow awareness of IonQ in the world at large.
- Attend industry conferences, as needed, to talk to client and support our booth activities.
- Some travel expected in the US (20%) but opportunities for global travel are available as well for client meeting and IonQ conference activities.
- This is a technical customer-facing role with the appropriate balance of compensation acceleration for success and a base salary to ensure that credibility and technical correctness always come first.
You’d be a good fit with:
- 5 years of experience in technical customer-facing roles or equivalent capacity. The ability to communicate (at the various context-appropriate levels of depth) and persuade clearly, have strong EQ, and other customer facings skills are critical.
- Bachelor’s degree or above in Computer Science, Machine Learning, Data Science, or other STEM field, such as Chemistry, Physics or Engineering
- Motivated learner with a strong interest in quantum computing.
You’d be a great fit with:
- Masters or PhD in a STEM field, perhaps adjacent to quantum computing.
- Time on the customer side in various verticals included leadership roles - this provides customer empathy
- Hands-on experience with Qiskit, Cirq or other quantum computing SDK.
- Proficient in Python and Jupyter Notebooks.
- Expert architecture skills across various technologies (“full stack skills”)
- Experience leading technical events.
Location: Spain
Travel: 20% travel domestically and globally
Job ID: 1408
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 401K, 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!
Ready to apply?
Apply to IonQ
About Nebius:
Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.
Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.
Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.
Your responsibilities will include
- Solve the most challenging firmware and hardware related issues with servers, involving in-depth knowledge of system architecture and advanced troubleshooting
- Execute workarounds and solutions for IT hardware issues
- Act as a subject matter expert and point of escalation for L1 and L2 technicians
- Create new processes and documentation for IT hardware team
- Collaborate with related departments to im
- Collaborate with vendors on warranty replacements (RMA), create requests and manage.
- Improve support processes, documentation and training materials
- Knowledge of datacenters, and server equipment
- Deep knowledge of IT hardware and practical experience of troubleshooting
- Skills working with the Unix/linux operating system and command line
- Experience with equipment monitoring, data analysis and presentation
- Proactiveness and sense of responsibility
- High proficiency in spoken and written English
• Skills of repairing electronics at the component level (SMD)
• Knowledge of network equipment and troubleshooting
• Driving license type B
Benefits & Perks:
- Competitive compensation
- Career growth and learning opportunities
- Flexibility and work-life balance
- Collaborative and innovative culture
- Opportunity to work on impactful AI projects
- International environment and talented teams
What's it like to work at Nebius:
Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI
Equal Opportunity Statement:
Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law.
Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire.
If you need accommodations during the application process, please let us know.
Ready to apply?
Apply to Nebius
Mangopay is a wallet-based payment infrastructure built specifically for organisations with complex, multi-party fund flows. A pioneer in multi-party payments.
Our solution optimises fund flows on behalf of the organisations we work with using wallets as programmable, composable building blocks.
Mangopay’s regulated platform collects payments, secures transactions and holds funds, splits money between the various parties in the funds flow, and ultimately manages the payout to service providers, sellers, and consumers.
Platforms and fintechs using Mangopay regain control and transparency over multi-party payment flows, generate additional revenue, and improve operational efficiency. They can stay compliant while innovating and scaling.
Our team of 300+ people is spread across offices in Madrid, Paris, Warsaw, Berlin, Luxembourg and London. We're looking for talented individuals to join us in tackling the exciting challenges ahead.
At Mangopay, you’ll be part of a supportive, diverse team committed to building scalable solutions and driving change in the fintech space!
As Senior Solution Engineer, you lead the coordination and execution of onboarding initiatives for strategic platforms globally, driving efficient launches and accelerated time-to-revenue.
You ensure that all internal workstreams (Account Ownership, Compliance, Product, Engineering, and Operations) are aligned, accountable, and completed before go-live.
You provide structured oversight and visibility across onboarding readiness criteria to ensure platforms, whether newly onboarded or expanding into new markets, go live efficiently, compliantly, and without operational risk.
This role sits at the intersection of Revenue, Compliance, Product, Engineering, and Operations, ensuring predictable launches, optimizing time-to-market, and enabling scalable platform onboarding across regions.
What You’ll Do
Solutioning Participation & Advisory
- Participate in discussions with platform’ project owners and technical stakeholders to ensure proposed solutions align with platform capabilities and implementation realities.
- Provide technical and operational input to support scalable and compliant implementations.
- Identify potential technical, operational, or regulatory risks early and ensure a smooth transition from solutioning to onboarding and implementation.
Onboarding Orchestration
- Act as the central coordination point for platform onboarding and expansion initiatives.
- Lead cross-functional alignment across Sales, Compliance, Product, Engineering and Operations to ensure successful platform launches.
- Maintain visibility across technical integration, regulatory validation, operational setup, and partner readiness.
- Track onboarding milestones and proactively manage cross-functional dependencies.
- Identify risks, gaps, or blockers early and drive resolution with the relevant stakeholders.
Integration & Technical Readiness
- Work directly with partner engineering teams to support technical onboarding and platform integration.
- Ensure integration architecture and implementation align with platform capabilities and best practices.
- Review integration progress and validate technical readiness prior to launch.
- Identify technical constraints or risks early and coordinate with Product and Engineering teams when needed.
Go-Live Readiness
- Establish and manage structured go-live readiness checklists.
- Validate that all required approvals (compliance validation, operational controls, and technical readiness) are completed prior to activation.
- Ensure operational processes are defined before launch.
Transition to Run Phase
- Ensure structured handover to Support and Operations teams with full documentation and context.
- Confirm that platform teams understand operational processes, support channels, and escalation paths.
- Monitor early-life platform performance to mitigate post-launch instability.
Continuous Improvement
- Identify onboarding and expansion friction points and drive cross-functional process improvements.
- Improve onboarding documentation and enablement materials.
- Define and monitor key onboarding KPIs such as: time-to-revenue, onboarding cycle times, go-live predictability, post-launch satisfaction and performance.
- Collaborate with Product and Operations teams to anticipate operational impacts from roadmap or regulatory changes.
Who You Are
- 10+ years of experience in onboarding, implementation management, program management within a PSP, Fintech, or regulated SaaS environment.
- Proven experience coordinating complex, cross-functional launches involving Sales, Compliance, Technical, Product, and Support teams.
- Strong understanding of payment operations and regulatory workflows (KYC/KYB, safeguarding, go-live controls).
- Comfortable owning timelines, driving accountability across teams, and managing launch readiness decisions.
- Data-oriented, with experience tracking KPIs such as time-to-revenue, phase cycle times, and post-launch CSAT.
- Clear communicator able to align operational teams and senior stakeholders around priorities and risk mitigation.
- Structured and pragmatic, with the ability to balance speed, compliance, and operational risk.
Additional information
Interview process:
- HR call
- Interview with VP
- Interview with SE team members
- Case study (if applicable)
- Call with Chief Commercial Officer
We care about equal employment opportunities, so all qualified applicants will receive equal consideration regardless of their race, colour, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status.
Ready to apply?
Apply to Mangopay