T
Tiago Semidei
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Paraná, Brazil
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Database Administrator (DBA)QAD, Inc.Jan 2023 - Current (2 years 9 months)• Administered PostgreSQL and Oracle databases, ensuring high availability and performance in mission-critical applications. • Optimized query execution plans, reducing response times by 30% through indexing strategies and parameter tuning. • Managed database migrations, including upgrading Oracle 10G to 19C on AWS RDS and implementing standby databases for disaster recovery. • Developed automated monitoring solutions using Zabbix, improving issue detection and resolution time. • Advised development teams on best practices for database architecture and scalability.- MDatabase Administrator InternMúltipla TIJan 2022 - Oct 2023 (1 year 10 months)• Assisted in administrating SQL Server, Oracle, MySQL, and PostgreSQL databases. • Developed PL/SQL scripts for automation and data integrity checks.Migration of on-premises environments to the cloud (Azure). • Supported the implementation of database security policies, including encryption for LGPD compliance. Data analysis using Power BI. • Implementation: performance resource Enhanced database monitoring 20% performance improvement optimized execution plans.
Education
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- MMicrosoft AZ-900 – Azure FundamentalsJun 2024
- MMicrosoft DP-900 – Data Fundamentals on AzureMicrosoftJun 2023
- IInformation SystemsFeb 2022 - Current (3 years 8 months)
- DDigital GamesFeb 2015 - Dec 2018 (3 years 11 months)
Projects (professional or personal)
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- MZabbix MonitoringMultipla-tiOct 2022 - Oct 2023 (1 year 1 month)Designed and implemented database monitoring with Zabbix, reducing downtime and optimizing utilization. • with Zabbix by developing new queries and parameters, resulting in a through query