Responsibilities: First-level technical support (remote and/or on-site) for customers and internal teams; Diagnosis and resolution of incidents in fiber optic networks and telecommunications equipment; Configuration and maintenance of routers, switches, and servers; Support to field teams in critical cases; Registration, tracking, and closure of service tickets in the management system; Post-service order (SO) activities: analysis, validation, and closure of orders executed by the field technical team; Preventive and corrective analysis of network failures. Requirements: Previous experience in network technical support (internet service providers will be an advantage); Knowledge of TCP/IP networks, MikroTik, OLTs, VLAN, PPPoE, DNS, DHCP; Ability to analyze and solve complex problems; Good communication and organizational skills. Advantages: Network certifications (MTCNA, CCNA or similar); Experience with ISP management systems (ERP, NMS, etc.). What we offer: Salary R$ 1.850,00 Benefits: transportation allowance, meal allowance, and incentive programs Collaborative and growing work environment. Job type: Full-time, CLT permanent position Compensation: R$1.850,00 – R$2.000,00 per month Benefits: * Meal allowance * Transportation allowance Work location: On-site