via indeed · 12 June 2026 ·1 day ago

Senior Buyer

Oxford Instruments
High Wycombe
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Senior Buyer
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High Wycombe, UK, hybrid

Join Oxford Instruments – The Business of Science®

At Oxford Instruments, our purpose is to accelerate breakthroughs that create a brighter future. Our cutting\-edge technologies enable scientists and engineers to deliver world\-changing innovations across industries and research.

We’re looking for a Senior Buyer to join our Materials Analysis business unit – a global leader in advanced microscopy and scientific instrumentation. If you thrive in a fast\-paced manufacturing environment and enjoy building strong supplier partnerships, this is an exciting opportunity to make a real impact.

About the Role
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As a Senior Buyer, you will take ownership of procurement activities for a defined category of products and services. You’ll play a critical role in ensuring availability, quality, and cost\-effectiveness of materials, while driving continuous improvement across the supply chain.

This role blends hands\-on operational purchasing with strategic supplier management, giving you the opportunity to influence performance, reduce costs, and shape sourcing strategies.

Key Responsibilities
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Operational Purchasing


  • Raise and manage purchase orders in line with MRP requirements

  • Monitor supplier delivery performance, lead times, and inventory levels

  • Expedite orders and resolve supply chain bottlenecks

  • Collaborate cross\-functionally with Production, Engineering, Planning, and Finance

  • Support new product introductions through sourcing and prototype ordering

  • Proactively identify risks to supply and implement mitigation plans

Supplier Management


  • Source, evaluate, and onboard suppliers based on quality, cost, and service

  • Lead sourcing projects and present business cases to senior stakeholders

  • Build strong supplier relationships and drive performance improvements

  • Conduct supplier reviews and site visits

  • Negotiate pricing, terms, and contracts

  • Develop and implement category strategies aligned with business goals

Cost \& Performance Optimisation


  • Identify and deliver cost reduction opportunities

  • Analyse data to improve procurement and inventory performance

  • Support inventory strategies such as VMI or consignment stock

Compliance \& Quality


  • Ensure procurement activities meet internal controls and quality standards

  • Resolve supplier quality issues and manage returns

  • Support sustainability and ethical sourcing initiatives
What We’re Looking For
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Essential


  • Proven experience in procurement or supply chain

  • Strong knowledge of ERP/MRP systems

  • Excellent communication and stakeholder management skills

  • Strong analytical and problem\-solving capability

  • Ability to prioritise in a fast\-paced, complex environment

Desirable


  • Experience in a manufacturing or engineering environment

  • CIPS qualification (or working towards)

  • Degree in Supply Chain, Business, or related field

  • Knowledge of inventory management approaches (e.g. Kanban, VMI)
Working at Oxford Instruments Materials Analysis \- What’s in it for you?

Wellbeing

  • Annual leave: 25 days plus bank holidays and the option to purchase up to 12 weeks more

  • Employee Assistance Programme; including 24/7 telephone support, access to counselling, financial and debt management and access to trained legal advisors

  • Private health insurance, dental insurance and life assurance
Money \& lifestyle –
  • MyDiscounts; save money with a number of leading retailers

  • Car salary exchange scheme: sacrifice part of your salary in exchange for a fully serviced, comprehensive insured electric or hybrid vehicle

  • TechScheme and CycleScheme: Purchase a bike and/or Tech or home goods from Currys/IKEA and spread the cost over 12 months.

  • Pension; all employees are eligible to join the Group Pension Plan administered by AVIVA.

  • Share incentive plan: Invest in your future and share in the success of the company by joining the share incentive plan.
Development –
  • Encouragement and support to achieve professional and or academic qualifications to support your development and growth

  • Defined career paths and regular reviews

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