Junior Procurement & Materials Coordinator (m/w/d)
QuantumDiamonds
Who we are
Why join us?
- A machine that catches what others miss – in milliseconds.
- Physics, data, and engineering are working hand in hand to build tools that matter.
- An international team, who loves solving hard problems and where knowledge flows fast.
- You'll get to build a company together with a brilliant and welcoming team on a product that has never been done before.
- Our technology is the cutting edge of tomorrow, starting today and not in 10 years.
- You will work directly with major semiconductor companies from Day 1.
- You'll get virtual shares and act on behalf of the entire company, beyond just your own team.
- You’ll be part of a high-growth company backed by top-tier investors.
What will you do
Purchasing & Order Management
- Create and issue purchase orders based on internal requests and inventory requirements
- Ensure accuracy of part numbers, quantities, pricing, and delivery dates
- Obtain and compare supplier quotations when required
- Maintain up-to-date supplier information and pricing records
- Monitor open orders and follow up with suppliers to ensure on-time delivery
Supplier Coordination
- Act as primary contact for suppliers regarding orders and delivery schedules
- Resolve discrepancies related to pricing, quantities, or delivery issues
- Track backorders and expedite critical materials when needed
- Support evaluation of supplier performance (delivery reliability, quality, responsiveness)
Receiving & Goods Control
- Receive incoming goods and verify against purchase orders and delivery notes
- Inspect shipments for completeness and visible damage
- Coordinate with quality or technical teams if inspection is required
- Record received goods in ERP/inventory system
- Manage return-to-vendor (RTV) processes for non-conforming items
Inventory & Documentation
- Maintain accurate inventory records
- Monitor stock levels and reorder points
- Support periodic inventory counts and reconciliation
- Ensure proper documentation and filing of purchase orders, invoices, and delivery notes
Internal Coordination
- Work closely with engineering, production, and finance teams
- Communicate delivery timelines and potential delays
- Support cost control and budget tracking activities
What is expected of you
- Bachelor’s degree in Business Administration, Supply Chain Management, or related field
OR Relevant vocational training with equivalent experience - Team player with a proactive, problem-solving mindset
- 2+ years of experience in procurement, purchasing, or materials management
- Experience with ERP systems (e.g., SAP, Odoo, Microsoft Dynamics, or similar)
- Experience in technical or manufacturing environments preferred
Our benefits
- Mission: At QD, we’re driven by more than just building great products - we aim to make a lasting difference. Joining us means contributing to meaningful work that goes beyond business as usual.
- Impact & growth: This is an exciting stage of our journey, and your voice matters. You’ll have the chance to shape our culture, influence key decisions, and grow alongside a company that’s scaling fast.
- Health & fitness: With a company-sponsored Wellpass membership, you’ll have access to countless gyms, classes, and wellness offers across Germany to stay healthy and active.
- Team & culture: We believe the best ideas come when we connect outside the office. From regular off-sites to team events, you’ll be part of a collaborative and supportive environment.
- Well-being & balance: We value rest and recovery. That’s why you’ll enjoy 30 vacation days plus public holidays to recharge and return inspired.
- Learning & development: Your growth is our priority. We provide an annual budget dedicated to courses, conferences, or any resources that help you expand your skills.
- Ownership & participation: As part of our equity program, you’ll directly share in our success and the value we create together.
About us
QuantumDiamonds develops and deploys world-leading quantum sensing technologies and tools for the failure analysis and metrology of a new generation of semiconductor chips, enabling innovation within the heterogeneous integration and advanced packaging era. In close collaboration with leading customers across the globe, our expert teams of quantum physicists, engineers, and data scientists design metrology tools that move the industry forward.

