Innovative solutions, with efficient and competitive differentiators, are the raw material for those working in Information Technology at Vivo. This is the area responsible for managing information systems to bring even greater quality, flexibility, and agility. The result is an increasingly digital company with stronger value propositions for our customers. Does this resonate with you? Then this opportunity is for you. We are looking for a professional to ensure high availability, performance, and security of the multi-database database ecosystem (On Premise, Azure, and OCI), with experience in mission-critical cloud native environments. **Responsibilities and Duties** **Responsibilities and Duties:** * Administer and support a diverse database ecosystem (Cloud and On Premise); * **Solid experience in administration of SQL Server, MySQL, CosmosDB, PostgreSQL, Cassandra, and MongoDB Atlas databases (Oracle will be considered a plus);** * Experience in environment monitoring (Zabbix, Grafana, and Datadog). * Experience with Azure Cloud and OCI. * SQL Server: Focus on Windows Server with FCI (Failover Cluster Instance and Always On); * Ensure High Availability (HA): Implement and maintain solutions such as AlwaysOn, Clusters, and Replication; * MySQL and PostgreSQL: Focus on managed services (DBaaS) on Azure and some On Premise implementations; * Perform Performance Monitoring, Query Tuning, and continuous resource optimization. * Create, maintain, and test Backup and Restore/Disaster Recovery (DR) procedures. * Manage Security, Permissions, and Access Roles to databases. * Support development teams in testing environments, script deployment, and architectural definitions. * Automate operational routines and generate database health reports (Health Checks). * Act both in supporting incidents in critical environments and in strategic projects; * Apply Security Patches and use techniques compliant with LGPD (masking). * Conduct training sessions, workshops, and documentation to share knowledge; * Automate manual tasks (creation of instances, databases, routines), ensuring autonomy for squads within established policies; * Create and optimize monitoring and alerts to anticipate failures and incidents; * Plan and execute changes in mission-critical environments, during and outside business hours; * Participate in rotating on-call shifts, supporting the team during critical incidents. **Requirements and Qualifications:** * Proficiency in administration, HA/DR configuration, and performance optimization for SQL Server, MySQL, PostgreSQL, Cassandra, MongoDB (Oracle will be considered a plus); * Scripting and Automation: Proficiency in scripting languages (e.g.: PowerShell, Python, Shell Script) to automate health check, maintenance, and reporting routines. * Ability to work in dynamic environments (simultaneous projects, multiple technologies); * Strong communication and interaction skills across various departments; **Differentiators:** * Experience in distributed and cloud native architectures; * Knowledge of databases on Oracle Cloud, including Oracle Autonomous Database; * Experience in FinOps applied to databases; * Experience in large-scale and high-availability environments; * Advanced knowledge in administration of Oracle 12c, 18c, 19c databases (23ai is a plus); * Knowledge of databases on Oracle Cloud, including Oracle Autonomous Database; * Knowledge of data replication tools such as Oracle GoldenGate and Talend. **Personal Attributes:** * Proactivity. * Dynamism. * Experience. * Organization. * Planning. * Creativity. * Negotiation. * Ownership. * Resilience. * Teamwork. **Requirements and Qualifications** * Degree in Computer Science, Computer Engineering, Information Systems, Computer Networks, Information Technology, Systems Analysis and Development, or Software Engineering preferred; * Postgraduate degree or MBA in Cloud Computing, Databases, or Big Data; Azure and OCI preferred; **Certifications:** * Oracle Cloud Infrastructure Foundations Associate (OCI). * Microsoft Certified: Azure Fundamentals (AZ-900). * Microsoft Azure Data Fundamentals (DP-900). * Microsoft Azure Database Administrator Associate (DP-300). * MongoDB Atlas Associate Database Administrator. **Additional Information** At Vivo, we spare no effort in supporting and valuing our employees. It's not just excellent benefits—we offer flexible ones too. * Choose the ideal benefit for you and your dependents on a digital platform featuring various categories including Gym, Meal Voucher (VR), Food Voucher (VA), Pharmacy Allowance, Medical, Dental, and Life Insurance; * Corporate mobile phone. Yes, a brand-new smartphone for you! * Unlimited voice and data plan! Yes, unlimited! With the best mobile network, even faster with Vivo's 5G! * An exclusive Vivo offer with special discounts on landline, broadband, TV, and apps; * Eligible for annual Bonus or PPR; * Plan for your future through Private Pension plans; * Have children? Receive a subsidy to help with school, daycare, or babysitter expenses; * Work in an environment that respects your personality, dress style, individuality, and allows you to be authentic. \#VemdeVocê * Work remotely up to 2 times per week. \#Mobility * Enjoy flexible working hours; * Get an extra day off (Day off) to celebrate your birthday; * Participate in one of the largest corporate volunteering programs to transform the world; * Benefit from our Educational Development Program offering partnerships with educational institutions, discounts, certifications, and online courses. * Accelerate your career through our Internal Recruitment Program, in Brazil or abroad—after all, we operate in more than 17 countries! \#VivoMinhaCarreira Count on a range of initiatives to improve your physical, emotional, and social well-being! Here, we have \#VivoBemEstar, which encourages our team to adopt healthy habits and improve their quality of life! Our employees have access to nutritionist consultations, psychologists, social services, telemedicine, and much more! We are part of the Telefónica Group, a leader in telecommunications in Brazil. We work with the purpose of **Digitalizing to Bring Closer** people, businesses, and society as a whole, building a more connected nation and transforming the lives of Brazilians. We aim to expand autonomy, personalization, and real-time choices for our customers, putting them in control of their digital lives securely and reliably—everything with the quality only Vivo can offer. To make this possible, we lead a digital transformation process and are revolutionizing our company from within. We have implemented agile methodologies throughout the organization, seeking to connect with the most innovative and collaborative ways of working. We strive to foster a diverse and inclusive environment that stimulates creativity, generates innovation, and increases engagement. We believe that **diversity** in people, experiences, cultures, behaviors, skills, and attitudes is a key differentiator, reflecting the society in which we live. We have a robust internal program based on Gender, LGBTI+, Race, PwD, and 50+ pillars to ensure a more inclusive culture and a diverse, representative environment. We are a **technology** company, inspired by diversity and **innovation**, providing space for everyone, supporting and embracing differences. We believe that the path to delivering the best customer experience starts with a great employee experience. **\#VemPraVivo**