En tant que Responsable Projet Senior, vos principales missions sont : Garantir la conformité contractuelle en veillant au respect des clauses commerciales, à l'assurance qualité, aux limites de fourniture, aux conditions de livraison ainsi qu'aux responsabilités et obligations durant la période de garantie. Assurer l'interface principale avec le client : établir les rapports d'avancement, conduire les négociations techniques et commerciales, organiser les audits et inspections, rédiger rigoureusement les courriers contractuels, suivre mensuellement l'avancement, gérer les réclamations et prendre en compte les différences culturelles. Coordonner les équipes internes (ingénierie, qualité, achats, logistique, planning, finance, management contractuel) en anticipant les besoins en ressources, en assurant un suivi terrain régulier, et en promouvant un cadre de travail sain et sécurisé. Gérer de manière proactive les risques liés à la sécurité, santé au travail et psychosociaux (EHS, RPS). Piloter le projet à travers la mise en place d'outils de suivi efficaces, la résolution des blocages, la gestion rigoureuse du budget, ainsi que le reporting trimestriel intégrant une analyse des risques et opportunités. Assurer la conformité des équipements selon les exigences contractuelles, normes techniques, règles internes, notamment en matière de contrôle à l'export. Maintenir la liaison entre les équipes de réalisation et le projet : participer activement aux réunions, élaborer et appliquer les procédures, partager les retours d'expérience, et apporter un support aux phases de construction et commissioning. English Version : Senior Project Manager Arabelle Solutions is seeking an experienced talent Vous avez l'expérience, nous avons les défis ! You bring the experience, we bring the challenges! For over 60 years, our New Build business has been delivering reliable equipment and technologies for nuclear power plants, covering all reactor types-from large-scale units to SMRs. Our offering includes turbines, pumps, generators, heat exchangers, and control systems. As a turbine island integration expert, we deliver complete solutions-from individual components to turnkey islands-for unit capacities ranging from 50 to 1,900 MWe. As part of a strategic contract with Sizewell C (two EPR nuclear units), we are looking for Senior Project Managers to oversee the following scopes: * Steam Turbine * Steam Turbine Auxiliaries (ST MSD) * Heat Exchangers * Pump Skids * Automation & Control Systems * Electrical & Instrumentation Balance of Plant (BOP) * Mechanical Skids and Other Equipment * Valves & Piping From engineering to on-site equipment delivery, each scope includes design, manufacturing, testing, logistics, and associated contract follow-up. Senior Project Managers will work closely with suppliers and project support functions such as planning, quality/inspection, contract management, etc., to successfully carry out their missions. Key Responsibilities * Ensure contractual compliance by monitoring commercial clauses, quality assurance, scope of supply, delivery conditions, and responsibilities during the warranty period. * Act as the main interface with the client: prepare progress reports, lead technical and commercial negotiations, organize audits and inspections, draft contractual correspondence, monitor progress monthly, manage claims, and consider cultural differences. * Coordinate internal teams (engineering, quality, procurement, logistics, planning, finance, contract management) by anticipating resource needs, conducting regular field follow-ups, and promoting a healthy and safe working environment. Proactively manage risks related to safety, occupational health, and psychosocial factors (EHS, RPS). * Drive the project using effective monitoring tools, resolve bottlenecks, manage the budget rigorously, and provide quarterly reporting including risk and opportunity analysis. * Ensure equipment compliance with contractual requirements, technical standards, internal rules, and export control regulations. * Maintain the link between execution teams and the project: actively participate in meetings, develop and implement procedures, share lessons learned, and support construction and commissioning phases.