Middle Database Administrator (SQL, Cloud, AWS)

A major Brazilian financial institution specializing in investment banking, wealth management, and corporate lending. The customer develops secure digital banking platforms and financial solutions to serve a diverse global client base. English level: Advanced.

Responsibilities

Administer, support, and optimize critical database environments, with a primary focus on SQL Server; Maintain database availability, performance, security, integrity, and resilience; Monitor database health, performance, capacity, and resource utilization; Perform performance tuning and optimize SQL queries, indexes, execution plans, and database structures; Conduct capacity planning and recommend improvements based on projected growth and business demand; Troubleshoot and resolve complex database, application, and infrastructure issues; Implement and manage backup, restore, replication, contingency, and recovery strategies; Support Disaster Recovery planning, testing, and execution; Participate in database migration and modernization projects, particularly within AWS environments; Support the evolution of database architectures, administration standards, and technical best practices; Collaborate with Development, Infrastructure, Cloud, Security, and Architecture teams; Support development teams with SQL query optimization and physical data modeling; Identify opportunities to automate recurring database-administration activities; Improve operational efficiency through automation, monitoring, and standardized procedures; Maintain technical documentation, operational procedures, and recovery runbooks; Participate in incident response and problem-management activities for critical environments

Requirements

Middle-level experience in database administration; Strong hands-on expertise with Microsoft SQL Server; Experience supporting critical, large-scale, or mission-critical database environments; Experience working within banking or financial-services environments; Strong knowledge of high availability, database security, performance optimization, and Disaster Recovery; Experience working with cloud and hybrid environments, preferably AWS; Hands-on experience with backup, restore, replication, contingency, and environment-recovery processes; Strong SQL troubleshooting and performance-tuning skills; Experience optimizing queries, indexes, execution plans, and database structures; Understanding of capacity planning, monitoring, and database-health management; Knowledge of infrastructure, operating systems, storage, and networking; Experience supporting database migrations or modernization initiatives; Ability to diagnose and resolve complex technical issues; Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field; Analytical, proactive, collaborative, and solution-oriented mindset

Nice to have

Experience with Oracle, PostgreSQL, or MySQL; Knowledge of NoSQL databases; Experience with Python, PowerShell, or other automation and scripting technologies; Microsoft, AWS, or comparable technical certifications; Experience working with Infrastructure as Code or automated cloud-provisioning tools; Familiarity with Agile methodologies

Benefits

International projects; In-office, hybrid, or remote flexibility; Medical healthcare; Recognition program; Ongoing learning & reimbursement; Well-being program; Team events & local benefits; Sports compensation; Referral bonuses; Top-tier equipment provision