NEXTCHEM is the Maire’s company dedicated to Sustainable Technology Solutions. Thanks to the extensive know-how of nitrogen, hydrogen, carbon capture, fuels, chemicals, and polymers, we offer innovative solutions and processes to fully enable the energy transition. Within the Procurement Department, the PEQ Senior Buyer is responsible for the purchasing activities of assigned Purchase Requisitions in compliance with Corporate and Project Procedures and under the supervision of the Purchasing Critical and Proprietary Equipment Head of Department. Main Responsibilities: Preparation of bidder lists and management of vendor pre‑qualification Organize and manage competitive tenders, including RFQs, bid clarifications, and evaluations, leveraging also e-Procurement System Lead commercial and contractual negotiations of Purchase Orders Ensure back‑to‑back alignment between Supply Agreements (Main Contracts with Clients) and Purchase Orders terms and conditions, when necessary Perform Economical Bid Evaluation and propose awarding Cooperate with Project Teams in highlighting main reasons of eventual extra budgets and proposing mitigation actions Secure compliance with internal procedures and protocols Support and cooperate with the Project Procurement Manager / Coordinator during the development of the supplies in case of any commercial problem with Vendors (such as claims, change order request, Liquidated Damages discussion, etc.) Required Skills: Minimum 5 years of Purchasing experience Experience in operating in international challenging environment Experience in-end-to end tender management (RFx Process). E-procurement systems knowledge is a plus. Design experience in engineering departments is a plus Experience in prepare and execute negotiation with suppliers both on costs and contracts Terms & Conditions SAP knowledge for supplies management Experience in contract preparation and negotiation Ability to interface and manage internal stakeholders Ability to manage multiple priorities Problem solving skills and ability to resolve conflicting situations Strong written and verbal communication skills in the English language Team player with ability to build and maintain internal and external relationships Good computer skills, proficient with MS Office applications and SAP Availability to travel for short period in Italy and abroad. Education: University Degree in Business & Economics Engineering is a plus Work Location: Milan/Rome