Manufacturing Technician - Optical & Semiconductor Systems

01Help build the technology enabling the next generation of semiconductors

At Infinitesima, we're developing advanced metrology systems that allow the world's leading semiconductor companies to measure and understand materials at the nanoscale.

We're looking for a skilled Manufacturing Technician to build, integrate and test the high-precision optical, electro-mechanical and photonic systems that sit at the heart of our technology.

This is an opportunity to join a fast-growing technology company where your work has a direct impact on the performance of complex scientific instruments used by global semiconductor manufacturers.

If you enjoy solving problems, working with precision hardware and taking ownership of build quality from assembly through to test, we'd love to hear from you.

02What you'll get

• Generous EMI share option scheme
• Private healthcare
• Death in service benefit

03About us

Based in Abingdon, Oxfordshire, Infinitesima is a rapidly growing deep-tech company developing next-generation metrology solutions for the semiconductor industry.

Backed by leading global investors, including Applied Ventures, we're combining world-class engineering, physics and software expertise to solve some of the industry's most complex measurement challenges.

04What you'll be doing

• Manufacture and test complex sub-assemblies involving optical, cabling, and electro-mechanical technologies, ensuring compliance with quality and performance standards.
• Identify, document, and escalate manufacturing issues-including defects, downtime, and abnormalities-using factual information, while collaborating with cross-functional support teams to drive timely and effective resolution.
• Working as a manufacturing team in maintaining and continuously improving manufacturing processes to enhance product quality and operational efficiency.
• Ensuring assemblies are delivered to quality, cost and schedule requirements
• Maintain high standards of housekeeping and cleanliness across production and cleanroom environments.
• Liaise with Stock Operatives to ensure assembly kits are complete & accurate.
• Contributing to a safe, organised and high-performing manufacturing environment

05What we're looking for

You'll ideally come from semiconductor equipment, photonics, scientific instrumentation, aerospace, medical devices or another high-tech manufacturing environment.

We'd particularly like to hear from people with experience of:

• Building and testing complex, high-value technology products
• Electro-mechanical assembly and system integration
• Root cause analysis and structured problem solving
• Manufacturing practice, quality standards and root-cause basics
• Reading and following technical documentation and build procedures
• Working with precision mechanical and electronic components
• Strong attention to detail and pride in workmanship

06Nice to have

• Semiconductor equipment or semiconductor manufacturing experience
• Cleanroom working experience
• Wiring and soldering to IPC standards
• Experience working with complex photonics or metrology equipment, such as optical systems, lasers, fibre optics, and precision instrumentation.
• Manufacturing engineering or process improvement exposure

07A 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.

Our strength lies in the varied perspectives that come from different cultures, experiences, and identities. We believe that true innovation is fuelled by collaboration, locally and globally. We strive to foster an environment where everyone can contribute meaningfully and thrive. If you require adjustments to take part in the recruitment process, please let us know, we’ll do our best to support you.

08Your recruitment journey

We will interview you: Monday to Friday UK Time 9am to 4.30pm and we'll be as flexible as we can with Global Scheduling

1st stage: (45 minute) Remote meeting to evaluate your experience and technical ability

2nd stage: (2.5 hours) Face to face onsite evaluating technical, presentation and communication skills along with your ways of working and your opportunity to to know more about us

If you're not comfortable with eye contact, let us know at the start of your interview and if REMOTE, once we've said hello, feel free to turn your camera off until the end.

Informal dress is absolutely fine for onsite interviews, we want you to feel comfortable when you meet us and if there's anything else we can do to support your journey, just let us know.

A note on how we use AI: 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.

Location and working pattern: This roles requires onsite attendance Monday to Friday.

Recruitment agencies: Infinitesima Ltd only works with approved agencies and does not accept unsolicited agency CVs. Please do not submit candidate details in response to this advert or solicit any Infinitesima Ltd employees. Infinitesima Ltd is not responsible for any fees related to unsolicited CVs.

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