Field Service Engineer UK Abingdon, UK

Would you like to be instrumental in enabling the next generation of semi‑conductors?

Are you a Customer Support Engineer who can provide field service engineering for after‑sales customers and technical support for internal customers to ensure that products are maintained to meet internal and external customer requirements? Do you have experience of maintaining and fault finding complex electromechanical systems to support customers? Do you thrive when building and maintaining relationships with customers? Are you an energetic problem solver who can provide a technical resolution for complex service issues for our customers?

If this sounds like you, read on….

Reward and Benefits

• £36,000 to £45,000 (depending on experience)
• 25 days annual leave, death in service and private health care benefits, personal pension contributions of 4% with salary sacrifice and a generous EMI Share scheme

Our HQ, based in Abingdon, Oxford, UK, is home to a high calibre team of 100 plus people and we are growing fast. We are backed by global financial and industry investors including Applied Ventures, the strategic venture arm of the industry leading equipment company.

A typical week for a Customer Support Engineer could look like this

• Spending time at customer sites installing products and keeping everything running smoothly
• Providing support both remotely and on‑site, doing maintenance, checking performance, hunting down faults, repairing issues, and fitting product upgrades
• Training, mentoring, and coaching distributor service teams so they’re confident and capable
• Keeping an eye on product performance and up‑time across all locations
• Building solid relationships with customers and distributors, constantly gathering their feedback and priorities

Who we are looking for

To succeed as a Customer Support Engineer, we do need you to have experience of:

• Supporting the installation and technical support of products and systems, both on site and at customer facilities
• Monitoring product performance and uptime, helping ensure systems run reliably in‑house and at end‑user locations
• Proactively engaging with customers to understand issues and support effective, timely resolutions
• Working closely with Production to support and continuously improve the build, test, and commissioning of new and existing products
• Contributing to the ongoing development of the Technical Support function, helping it scale alongside company growth and evolving customer needs

Nice to have

• Collaborating with multi‑disciplinary teams in a scale‑up arena
• Working with optical systems including lasers and fibres; electronics; electro‑mechanics would be an advantage
• Handling systems with high voltages and LASERs safely
• Software experience
• Setting up network/ host user environment

Education / Qualifications

Either an Engineering or Physics degree or similar, or a clear equivalent path through relevant apprenticeship or accumulated experience.

We look for these attributes for our team

• Self‑management: Able to work independently, setting priorities for own work based upon the company goals and targets
• Teamwork: Engages with other members of the company to bring the best solutions to the problem. Recognise the value that fellow company members bring to enhance own abilities. Supports colleagues with their tasks when critical to the company goals
• Impact and Influence: Establishes themselves as the knowledge centre in their own field
• Ownership & Initiative: React and address both short‑ and medium‑term issues and proactively takes action to solve them
• Results Orientation: Focus on the company goal, avoid distraction, making timely decisions to achieve the target

A bit about us

Infinitesima is a privately owned company founded in 2001, as a spin‑out of the University of Bristol, by CTO Professor Andrew Humphris. Our dynamic team of scientists and engineers is focussed on enabling the next generation of semiconductor devices through delivery of innovative products to customers around the world.

Infinitesima believes that true innovation is fuelled by collaboration, locally and globally. Our strength lies in the varied perspectives that come from different cultures, experiences, and identities. We strive to foster an environment where everyone can contribute meaningfully and thrive.

A note on how we run interviews

We use AI only to transcribe our interviews so we can focus fully on you instead of scribbling notes. The AI does not take part in any decision making at any stage. All hiring decisions are made by real humans based on the conversation we have with you.

If you require adjustments to take part in the recruitment process, please let us know, we’ll do our best to support you.

Location and work pattern

All of our new UK team members are asked to work on site here at Abingdon during their first three months with us. We offer flexible, hybrid working where possible upon completion of probation.

We welcome applicants from all backgrounds and aim to create a fair, supportive recruitment process. To keep things clear, this role needs someone who already has the permanent right to work in the UK. If a role calls for unique expertise that’s hard to find locally, we may explore sponsorship options — though this is uncommon.

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