.Séché Environnement is a leading player in waste management, including the most complex and hazardous waste, and in environmental services, particularly in the event of an environmental emergency. Thanks to its expertise in the creation of circular economy loops, decarbonization and hazard control, the group has been contributing to the ecological transition of industries and territories, as well as to the protection of the living world, for nearly 40 years.SOLARCA GROUP is one of Europe's leaders in cleaning and chemical decontamination for maintenance and new works on customer sites. For more than 20 years, the SOLARCA Group has positioned itself as a key service provider for its customers in the Energy, Refining and Petrochemical sectors worldwide.To support the dynamic development of our activities, we are recruiting a:System & Network EngineerPermanent role - Full TimePosition based in La Selva del Camp, TarragonaMain missionCandidate will be responsible for implementing, managing and improving:Communications networks: WAN, LAN, Telephony, Internet.Massively virtual server farms on Windows and Linux systems.By anticipating the expectations of their customers, both within the IT Department and sometimes in the Business Units, they ensure that hardware and software are efficient, perfectly adapted to their needs and constantly evolving.It will contribute to:Maintaining hardware (servers, switches, storage) and system and network software in operational condition.Diagnose hardware and software errors and malfunctions.Repair faults and malfunctions.Provide evolutionary and corrective maintenance based on major technological developments (including version changes).Measure and optimize system performance.To the evolution of the current infrastructure linked to a hybrid Cloud strategy driven by Applications hosted on Azure, by Office 365 and the project to deploy our ERP in Azure,The deployment of our strategy to gradually evolve our Enterprise network from MPLS to SD-WAN.The need to better isolate the Management Network from Industrial Networks, to prevent a Cyber attack on one from contaminating the other.To the resilience of our systems, and recovery in the event of a physical or malicious incident.More generally, the obligation to reinforce IT security in the face of Cyber risks.Main activitiesPropose IT solutions to meet the needs expressed by the CISO, Projects, or in line with technological developments.Draft RFPs and analyze manufacturers' proposals in terms of performance, reliability and compatibility.Build and supervise the consultants who work with the IT Department to develop technical solutions.Provide technological supervision to ensure optimization of the company's system resources.With the support of a "Services Exploitation" partner, ensure supervision and control of networks and systems.Controlling IT subcontractors.Other activitiesSupervise resource utilization