TTECH

Consultant

• Advanced Technical Support: Provide high-level support for resolving complex and critical issues in LTE CORE networks.
• Performance Analysis: Monitor and analyze network performance, identify areas for improvement, and implement appropriate solutions.
• Technical Consulting: Act as a technical consultant with clients, proposing improvements and optimizations for network operations.
• Cross-functional Collaboration: Work alongside engineering and operations teams to implement updates, patches, and system improvements.
• Training and Enablement: Develop and deliver training and workshops for N1 and N2 support teams to build technical capability.
• Documentation and Reporting: Create and maintain consistent technical documentation, including diagnostics, implemented solutions, and recommendations for improvement.

Telecom Consultant for Private 4G and 5G Networks – CORE Specialist

Operations

• Centrally monitor the AMI solution, providing first-line incident response, event communication and control.
• Support remote certifications for replacement of smart water meters, assisting field technicians.
• Perform assessment and diagnosis of incidents, performance events and problems.
• Generate reports on technical, service and contractual indicators (KPIs).
• Respond to requests from automation and development teams for digitizing operational processes, performing acceptance (homologation) testing and evaluating new smart meter manufacturers.

Senior Operations Analyst – NOC, AMI Water

Full-stack Engineer

• Develop and maintain applications using Python, Java and other languages.
• Create scripts to automate processes and improve efficiency.
• Implement integrations between different tools and APIs, ensuring effective communication and data exchange.
• Collaborate with other teams to identify needs and develop adaptive solutions.
• Proficient with advanced spreadsheets (Excel, Google Sheets) and handling large volumes of data.
• Familiarity with cloud environments (Azure, AWS or GCP) and relational and non-relational databases.
• Contribute to the design and development of new projects and features.

Full Stack Developer – Senior

Artificial Intelligence

• Define and maintain the development backlog, prioritizing requests according to their business value for Vivo.
• Create user stories and acceptance criteria for product enhancements.
• Act as the interface between business areas and the technical team, ensuring alignment of expectations.
• Participate in agile ceremonies (planning, review, daily stand-up, retrospective).
• Analyze metrics and feedback to guide continuous product improvements.
• Ensure that deliveries are aligned with Vivo's strategy and the product objectives.
• Support stakeholder management by communicating progress and results.
• Ensure continuous value for the user in a digital transformation context.
• Balance priorities between strategic demands and technical capacity.

Project Consultant, Artificial Intelligence

Data Scientist

• Perform exploratory analyses and modeling to support the NLP squad's decision-making.
• Ensure the squad adopts best practices: evaluation, data versioning, and reproducible experiments.
• Develop the team (especially junior and mid-level members) in applied NLP and AI — provide technical leadership.
• Interface with the business area, aligning stakeholder expectations.
• Lead complex discussions without creating misunderstanding or fear of AI.
• Make decisions between rules vs. models, small models vs. LLMs, and training vs. buying solutions.
• Understand that value lies in the pipeline, not in the model alone.
• Anticipate impacts on cost, latency, observability, LGPD (Brazilian Data Protection Law), and scalability.
• Design for maintenance and evolution, not just proofs of concept (POC).
• Question simplistic metrics (isolated accuracy, attractive demos).

Data Scientist Consultant – AI, Prompt Engineering, Big Data

Analyst

• Responsible for performing preventive and corrective analyses of relational databases, especially Oracle and SQL Server;
• Plan and design the database to ensure optimal architecture, data integrity, and access security, identifying opportunities for improvement in design and usage;
• Handle incidents, change requests and service requests;
• Install, configure, upgrade and migrate database versions;
• Apply patches to databases;
• Monitor databases, perform analysis and performance tuning;
• Administer replicas via Data Guard and Oracle GoldenGate;
• Assist with contention points or excessive resource consumption;
• Support and improve backup/restore routines;
• Analyze infrastructure and perform capacity planning;
• Skilled in query tuning;
• Work in high-availability environments;
• Create and automate technical reports to share with our clients;
• Participate in War Rooms for resolution of critical incidents;
• Analyze and update BI tool (Power BI – Microsoft)

Database Analyst, Mid-level

• Atuar de forma estratégica no **desenvolvimento e gestão do portfólio de produtos**, acompanhando performance, ciclo de vida e oportunidades de evolução.
• Liderar **estudos de mercado, viabilidade técnica e financeira**, benchmarking e análises competitivas para identificar tendências e oportunidades.
• Apoiar a **definição de estratégia e roadmap de produtos**, em conjunto com as áreas Comercial, Engenharia, TI, Marketing, Jurídico e Regulatório.
• Conduzir **projetos de inovação e digitalização**, com foco em novas soluções de energia, IoT, smart grids, eficiência energética e sustentabilidade.
• Atuar como **referência técnica** em produtos, garantindo qualidade nas entregas e aderência ao mercado.
• Monitorar **indicadores-chave de desempenho (KPIs)** e propor planos de melhoria contínua de rentabilidade, adoção e satisfação do cliente.
• Preparar e apresentar **relatórios executivos** para comitês e fóruns estratégicos da companhia.