We are looking for a Mobile Network Technical Support professional to handle and resolve technical tickets, ensuring compliance with severity levels, SLAs, and quality standards agreed upon with the client (Nokia). The professional will be responsible for remote support of mobile network equipment, performing analysis, diagnosis, troubleshooting, and resolution of faults in Ericsson 2G, 3G, 4G, and 5G environments. **Key Responsibilities** Handle and analyze tickets/ARs opened by the client according to severity levels and deadlines defined in the SLA. Ensure accurate understanding of each ticket’s severity level and technical description. Achieve definitive resolution of tickets and request closure upon client validation. Provide remote technical support to network elements by accessing systems and equipment for fault diagnosis and correction. Monitor compliance with response and resolution SLAs. Perform technical escalations according to the service delivery model. Prepare reports on handled tickets, including detailed accounts of emergency interventions when requested. Follow established support processes, contact procedures, and escalation workflows. Requirements: **Technical Requirements** Proven experience in operation, maintenance, and troubleshooting of Ericsson 2G, 3G, 4G, and 5G mobile networks. Solid knowledge of mobile network environments and their components. Experience in remote technical support and handling critical incidents. Familiarity with technical ticket opening, tracking, and closure processes. **Languages** Fluent Portuguese (mandatory). Fluent technical/executive English (mandatory). **Mandatory Certifications** Ericsson Mobile Networks certification. Verifiable fluent English for technical and executive communication. **Desirable Qualifications** Experience supporting large enterprise clients. Previous work in high-volume ticket environments with strict SLA requirements. Experience in on-call shifts and emergency response.