Junior Buyer

Infinitesima · Abingdon, UK · Other

Posted 2026-08-31

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Junior Buyer

Salary £26,000 to £33,000  along with private medical, Death in service - salary x3, annual bonus and EMI scheme

Abingdon, Oxfordshire - Onsite every day (Monday to Friday)

Are you interested in building a career in procurement and supply chain within a cutting-edge technology business?

At Infinitesima, we're developing advanced metrology systems that help some of the world's most innovative semiconductor companies push the boundaries of what's possible. As we continue to grow, we're looking for a Junior Buyer to join our Supply Chain team and play a key role in ensuring our engineers and manufacturing teams have the materials, components and services they need to succeed.

This is an excellent opportunity for someone with some purchasing, procurement or supply chain experience who is keen to develop their career in a highly technical, fast-moving environment.

What You'll Be Doing

Working closely with Engineering, Manufacturing, Stores and Quality teams, you'll help keep our supply chain running smoothly by:

Raising and managing purchase orders for technical components, materials and services

Obtaining quotations, comparing costs and lead times, and placing orders with approved suppliers

Monitoring open orders and proactively expediting deliveries

Working with suppliers to resolve shortages, delays, pricing queries and documentation issues

Maintaining accurate purchasing, supplier and pricing data within our ERP system

Supporting supplier onboarding activities and sourcing new suppliers where required

Assisting with supplier performance reviews and cost reduction initiatives

Supporting negotiations on pricing, lead times and commercial terms

Ensuring purchasing activities comply with internal processes and approval requirements

What We're Looking For

We're interested in people who are organised, proactive and enjoy building relationships with suppliers and internal stakeholders.

Experience in purchasing, procurement, supply chain or a similar administrative role

Strong organisational skills and excellent attention to detail

The ability to manage multiple priorities and meet deadlines

Confident communication skills, both written and verbal

Good numerical skills and the ability to compare quotations and identify discrepancies

Strong Microsoft Office skills, particularly Excel

A practical, solutions-focused approach

The ability to work effectively as part of a collaborative team

A genuine interest in developing a long-term career within procurement and supply chain

It Would Be Great If You Also Have

Experience within an engineering, manufacturing or technical environment

Familiarity with ERP or MRP systems

Experience raising purchase orders and managing supplier deliveries

Basic understanding of engineering drawings or technical specifications

Awareness of supplier quality, compliance or import/export processes

CIPS qualifications, or an interest in working towards them

Why Join Infinitesima?

Work at the forefront of semiconductor and nanometrology technology

Learn from experienced engineering, manufacturing and supply chain professionals

Gain exposure to a complex global supply chain

Develop your procurement skills in a growing, innovative technology business

Enjoy a collaborative culture where your contribution genuinely matters

If you're looking for a role where you can develop your purchasing career while supporting the production of world-leading technology, we'd love to hear from you.

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.

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.

Your 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 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 role requires daily onsite presence due to the nature of the work and business need

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