Professional Profile
I am a highly skilled Database Administrator (DBA) with a solid career since 2010. I am a DBA passionate about technology and results-oriented. My over 14 years of expertise encompass on-premise and cloud database administration, with deep knowledge in Oracle, PostgreSQL, MySQL, and AWS RDS, reinforced by official Oracle, Azure, and AWS certifications. Holding a Bachelor's degree in Information Systems, I am proficient in Linux, Windows, Java, Python, and PHP. I value proactivity, strong interpersonal skills, and a continuous pursuit of innovation and improvement in every challenge.
Work Experience
TIVIT
Database Administrator
12/2022 – Present | Rio de Janeiro, Brazil (Remote)
- Administer and maintain a diverse database ecosystem for Petrobras, including NoSQL (MongoDB, Cassandra), MySQL, PostgreSQL, Oracle, and AWS cloud databases (DynamoDB, Aurora), ensuring high availability and performance across critical systems.
- Manage user access, permissions, and security policies, implementing best practices to safeguard sensitive data and comply with regulatory standards.
- Optimize database performance through advanced query tuning, indexing, and configuration adjustments, reducing query execution time by up to 25% in high-traffic environments.
- Monitor and troubleshoot database issues, performing root cause analysis and implementing solutions to minimize downtime and ensure operational continuity.
- Collaborate with DevOps teams to integrate cloud-based database solutions (AWS Aurora, DynamoDB), enhancing scalability and reliability for enterprise applications.
- Automate routine maintenance tasks, such as backups and patch management, using scripting tools, improving operational efficiency.
Stone Co.
Database Administrator
10/2010 – 12/2022 | Cascavel, Paraná, Brazil
- Installed, configured, and supported MySQL and PostgreSQL databases, ensuring optimal performance and reliability for internal and client-facing applications.
- Administered Linux-based servers, including Apache web server and PHP environments, to deploy and maintain web applications, supporting over 100 concurrent users.
- Provided technical support for database-related issues, resolving performance bottlenecks and ensuring 99.9% system uptime through proactive maintenance and backups.
- Developed and optimized SQL queries, scripts to support business reporting, and data analysis, streamlining decision-making processes for cross-functional teams.
Education
Bachelor of Science (BS) in Information Systems
Unipar - Paranaense University
01/2008 – 12/2012
Certifications
Technical Skills
Oracle
PostgreSQL
MySQL
AWS RDS
NoSQL
MongoDB
Cassandra
DynamoDB
Aurora
Linux
Windows
Java
Python
PHP
Shell Script
CloudFormation
Ansible
Terraform
Dynatrace
Zabbix
Grafana
Database Security
Performance Tuning
Backup & Recovery
High Availability
Disaster Recovery