About econocombrAt Econocom, we design, Finance, and accelerate digital transformation for companies and public organizations. With over 10,000 employees across 18 countries, we deliver cutting-edge IT solutions, combining technological expertise with business agility.brTo support our growth and strategic digital projects, we are looking for a versatile and experienced IT Infrastructure Security Engineer to join our team.brYour rolebrAs an IT Infrastructure Security Engineer, you will contribute to the architecture, implementation, and management of secure, scalable IT infrastructures. You will act as a technical reference point on system engineering, cloud platforms, cybersecurity, and network technologies while supporting project delivery and continuous improvement efforts.brThis is a cross-functional role, ideal for profiles such as: System Engineer, Cloud Engineer, Cybersecurity Engineer, Linux/Windows Engineer, Network Engineer, Solution Architect, or Infrastructure Project Manager.brResponsibilitiesbrDesign, deploy, and support infrastructure solutions (on-premise, hybrid, and cloud environments)brManage Windows and Linux systems across development, staging, and productionbrConfigure and monitor network infrastructure (routing, switching, VPN, Firewall)brImplement cybersecurity practices, vulnerability remediation, and compliance requirementsbrCollaborate with internal and client teams to deliver infrastructure projects (migrations, rollouts, integrations)brDocument solutions and contribute to IT architecture and security strategybrEnsure service reliability, performance, and continuous improvement of infrastructure componentsbrYour profilebrMinimum 3-5 years' experience in IT infrastructure rolesbrBroad technical knowledge acrossbrOperating Systems: Windows Server, Linux (RHEL/CentOS/Ubuntu)brCloud: AWS, Azure, or equivalent (certification is a plus)brNetworking: TCP/IP, DNS, DHCP, VLANs, VPNs, FirewallsbrSecurity: EndPoint protection, identity/access management, patching, SIEM toolsbrFamiliar with tools such as TerraForm, Ansible, PowerShell, Bash, GITbrExperience in leading or contributing to IT infrastructure projectsbrStrong communication, analytical, and documentation skillsbrFluent in English and (French or Dutch, depending on the location)brNice to havebrCertifications: AWS/Azure Associate, CCNA, Microsoft Certified, CompTIA Security+, ITIL, PMPbrExperience with ITSM platforms (e.g., ServiceNow)brDevOps or automation backgroundbrWhat we offerbrA dynamic and innovative environment within a leading European digital groupbrOpportunities to work on varied, large-scale projects for top-tier clientsbrContinuous training and certificationsbrFlexibility: hybrid or remote work depending on the assignmentbrA collaborative team culture and career evolution opportunitiesbrReady to shape the future of digital infrastructure with Econocom?brApply now and join a team that combines passion for technology with business impact.