About this role
**Would you like to be instrumental in enabling the next generation of semi-conductors?**
As a **Senior Applications Engineer**, you’re owning the bridge between cutting-edge technology and real-world customer needs. You’re working across the full product lifecycle, shaping how our solutions perform in the field and how they evolve. You’re also getting hands-on with customers globally, making a direct impact where it matters most. **If this is you, read on….**
**Reward and Benefits**
£65,000 to £75,000 (depending on experience)
25 days annual leave, death in service and private healthcare, personal pension contributions of 4% via salary sacrifice, and a generous EMI share scheme
Based in **Abingdon, Oxford, UK**, we’re a high-calibre team of 100+ people growing fast. Backed by global financial and industry investors including Applied Ventures, we’re building something genuinely impactful.
**About the role:**
You’re playing a key role in making sure our products meet (and exceed) customer expectations. You’re acting as the voice of the customer internally, feeding insights into Engineering and R&D, while leading application projects that improve performance and user experience.
This is a highly hands-on role with **~50% international travel**, working directly with customers and end-users on-site
**A typical day for a Senior Applications Engineer could look like this:**
* Leading customer demos, characterisation work, and technical evaluations * Presenting results clearly to both customers and internal teams * Acting as the go-to contact for application-related support queries * Troubleshooting complex, multi-disciplinary issues across mechanics, optics, electronics, software, and algorithms * Collaborating with Engineering and R&D to feed back customer insights * Driving application projects to improve product performance and user experience * Supporting and maintaining application lab facilities and equipment
**Who we are looking for:**
*To succeed as a **Senior Applications Engineer**, we do need you to have experience of:*
* Working in the semiconductor industry with a strong hands-on focus * Leading or supporting characterisation and demonstration activities for metrology equipment * Supporting customers in a technical or applications-focused role * Diagnosing complex technical issues across multiple disciplines * Communicating technical concepts clearly, both written and verbal
*Nice to have:*
* Experience with Atomic Force Microscopy (AFM) * Exposure to optical systems (lasers, fibres), electronics, or electro-mechanical systems * Understanding of semiconductor processes * Experience with scanning electron microscopes (SEM) * Any involvement in product marketing or customer-facing technical storytelling
**Education / Qualifications:**
Either a Master’s degree in Physical Sciences, Engineering, or similar, or a clear equivalent path through relevant experience.
**We look for the five Cs from our colleagues:**
* **Customer Focused** – Staying close to customer needs and delivering real value * **Caring** – Creating a supportive, respectful environment * **Collaborative** – Sharing ideas and solving problems together * **Commitment** – Owning your work and following through * **Continuous Improvement** – Always learning and pushing things forward
**A bit about us:**
Infinitesima is a privately owned company founded in 2001 as a spin-out from the University of Bristol. Our team of scientists and engineers is focused on enabling the next generation of semiconductor devices through innovative, world-leading products.
We value different perspectives and believe diversity fuels better thinking and stronger outcomes. If you need any adjustments during the hiring process, just let us know — we’ve got you.
**A note on how we run interviews:**
We use AI only to transcribe interviews so we can stay fully present with you. It plays no part in decision-making — all hiring decisions are made by people.
**Location and work pattern:**
You’ll be based in Abingdon (OX14 1RG). We ask new starters to be on-site during the first 3 months, with flexible hybrid working available after probation.