IT Network Administrator

A Randstad é a empresa mundial líder em talentos. Trabalhamos diariamente para encontrar as melhores oportunidades para os nossos candidatos, ajudando-os a alcançar o seu verdadeiro potencial. Queremos criar um impacto positivo na sociedade, proporcionando oportunidades equitativas para todas as pessoas, independentemente da sua origem, e ajudando-as a manterem-se relevantes num mundo do trabalho em constante mudança. Randstad Digital is recruiting a IT Network Administrator for direct integration, in a company located in Porto. Hybrid work model (3 days on-site; 2 days remote / week). As an IT Network Administrator, ensuring the availability, security, and performance of our client network infrastructure. You will work in a dynamic, international environment, supporting critical operations through reliable connectivity, proactive monitoring, and continuous improvement initiatives. Your role will be key in maintaining the systems that support our automotive business. descrição da função/job description Manage and optimise network infrastructure (LAN, WAN, VPN, wireless). Install, configure, and maintain network hardware, software, and security systems. Monitor network performance and ensure availability through preventive actions. Diagnose and resolve incidents, minimising business disruption. Analyse recurring issues and propose improvements to enhance stability and efficiency. Identify risks and contribute to strengthening network security and performance. Provide user support, ensuring timely and high-quality service. Collaborate with internal teams and external partners on infrastructure projects. Maintain clear and up-to-date technical documentation. requisitos/requirements Minimum 3 years of experience in network administration. Strong knowledge of Cisco, Aruba and Fortinet environments. Solid understanding of LAN/WAN, routing protocols, monitoring tools, and packet analysis. Experience with DHCP, DNS, TCP/IP, SIP, TLS, MFA, Windows Server and Active Directory