Applications Engineer UK

Would you like to be instrumental in enabling the next generation of semiconductors?

As an Applications Engineer, you’ll be playing a key role in shaping how our technology performs in real-world customer environments. You’ll be acting as the bridge between customers and engineering, helping refine and elevate our products through hands-on application insight.
Read on….

Reward and Benefits

• £35,000 to £45,000 (depending on experience)


• 25 days annual leave + bank holidays


• Private healthcare + death in service


• 4% pension contribution with salary sacrifice


• Generous EMI share scheme

Based in Abingdon, Oxford, we’re a growing team of 100+ building cutting-edge technology. We’re backed by global investors, including Applied Ventures, part of Applied Materials.

About the role

A typical day for an Applications Engineer could look like this:

• Leading and delivering customer demonstrations and characterisation activities


• Presenting results clearly to both customers and internal teams


• Acting as the go-to contact for application-related queries and technical support


• Diagnosing and solving complex cross-disciplinary challenges (mechanics, optics, electronics, software, algorithms)


• Supporting and developing our applications lab and technical capabilities


• Driving application-focused projects to ensure we are meeting and exceeding customer needs


• Gathering and feeding back customer insights to Engineering and R&D to shape product improvements


• Travelling internationally (typically 10–20%) to support customers onsite

Who we are looking for

To succeed as an Applications Engineer, we do need you to have experience of:

• Working hands-on in a technical engineering or physical science environment (5+ years)


• Supporting customer-facing technical activities, including demonstrations or product validation


• Leading or contributing to characterisation of complex systems or equipment


• Communicating technical concepts clearly, both written and verbal


• Working across disciplines to solve complex technical problems

Nice to have:

• Experience working with Atomic Force Microscopy (AFM)


• Exposure to semiconductor environments or metrology equipment


• Working with optical systems (lasers/fibres), electronics, or electro-mechanical systems


• Experience using scanning electron microscopes (SEM)


• Exposure to product marketing or customer-driven product development

Education / Qualifications

• A Master’s degree in a Physical Science or Engineering discipline, or


• Equivalent hands-on experience through industry or alternative pathways

We look for the five Cs from our colleagues:

• Customer Focused – Staying close to customer needs and delivering real value


• Caring – Supporting each other and creating an environment where people thrive


• Collaborative – Working openly and solving problems together


• Commitment – Taking ownership and following through


• Continuous Improvement – Always learning and pushing for better

A bit about us

Infinitesima is a privately owned company, founded in 2001 as a spin-out from the University of Bristol. We’re a team of scientists and engineers focused on enabling the next generation of semiconductor devices through innovative technology.

We believe the best ideas come from diverse perspectives, and we’re committed to creating an environment where everyone can contribute and grow.
If you need any adjustments during the process, just let us know — we’ve got you.

Location and work pattern

• Based in Abingdon, Oxfordshire (OX14 1RG)


• Onsite for the first 3 months


• Flexible hybrid working available after probation (where possible)

A note on how we run interviews

We use AI only to transcribe interviews so we can focus fully on you.
It plays no part in decision-making — all hiring decisions are made by people

We welcome applicants from all backgrounds.
This role requires permanent right to work in the UK. Sponsorship is only considered in rare cases.