About Bull Bull is a story. One with a century of European innovation and a working environment where experts design powerful, sustainable, and sovereign digital solutions, enabling states and industries to retain full control over their data and their AI. Bull is also thousands of engineers, researchers and passionate tech people shaping the future of high‑performance computing, AI, and quantum technologies. Every day, our teams push the boundaries of what is technologically possible – from next‑generation HPC architectures to exascale supercomputers – supported by world‑class R&D, more than 1,600 patents, and unique end‑to‑end capabilities spanning hardware design, software engineering, data science and quantum research. We are a people‑centric, innovation‑driven company, where collaboration spans Europe, the Americas and India. We share a common vision of a responsible and sustainable innovation that delivers concrete impact for our customers.<div> Role Overview We are looking for a Tactical Buyer to support procurement operations by ensuring efficient execution of purchasing activities and smooth material supply. In this role, you will manage purchase orders, coordinate with suppliers, and resolve operational issues, while ensuring cost efficiency, data accuracy, and compliance with internal processes. <div> Key Responsibilities <div> <ul> <li style="font-size:12.0pt">Manage purchase orders (POs) in line with demand and supplier agreements</li> <li style="font-size:12.0pt">Communicate orders, updates, and forecasts with suppliers</li> <li style="font-size:12.0pt">Monitor order confirmations and ensure timely acknowledgment (within agreed timelines)</li> <li style="font-size:12.0pt">Track deliveries and manage order backlog</li> <li style="font-size:12.0pt">Ensure SAP reflects accurate and up-to-date supplier information</li> <li style="font-size:12.0pt">Analyze discrepancies between orders and confirmations and resolve them</li> <li style="font-size:12.0pt">Support material planning and stock updates with suppliers (pull/push/cancel)</li> <li style="font-size:12.0pt">Resolve delivery, invoicing, and supplier-related issues</li> <li style="font-size:12.0pt">Escalate issues when needed and follow resolution processes</li> <li style="font-size:12.0pt">Monitor KPIs and ensure service level commitments are met</li> <li style="font-size:12.0pt">Ensure data accuracy, process integrity, and compliance</li> <li style="font-size:12.0pt">Contribute to process improvements and documentation</li> </ul> </div> <div> What You Bring <ul> <li style="font-size:12.0pt">1+ year of experience in Procurement / Supply Chain / Operations</li> <li style="font-size:12.0pt">Good understanding of logistics and material flow</li> <li style="font-size:12.0pt">Experience with SAP (nice to have)</li> <li style="font-size:12.0pt">Good Excel skills (nice to have)</li> <li style="font-size:12.0pt">Strong attention to detail and analytical thinking</li> <li style="font-size:12.0pt">Problem-solving mindset and proactive approach</li> <li style="font-size:12.0pt">Ability to work under pressure and manage priorities</li> <li style="font-size:12.0pt">Strong communication and teamwork skills</li> <li style="font-size:12.0pt">Customer-oriented mindset</li> </ul> <div> Languages <ul> <li style="font-size:12.0pt">English (professional level)</li> <li style="font-size:12.0pt">French is a plus</li> </ul> <div> Location <ul> <li style="font-size:12.0pt">Sofia, Bulgaria</li> </ul> What We Offer <ul style="list-style-type:disc"> <li style="font-size:12.0pt">A dynamic and international working environment.</li> <li style="font-size:12.0pt">Exposure to end‑to‑end order and financial flows within a global organization.</li> <li style="font-size:12.0pt">Opportunities for professional growth, specialization, and internal mobility.</li> <li style="font-size:12.0pt">A collaborative, supportive team culture.</li> </ul> #Bull </div> </div> </div> </div> </div> Here, your ideas, your curiosity and your technical excellence directly shape the next era of advanced computing - unlocking enterprise value, accelerating scientific progress and driving positive impact for society.

Tactical Buyer (Sofia, BG) @ ATOS International

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