Senior Oracle & Cloud Database Architect
Resume:
Thiago Duarte Azadinho
Dallas – TX – USA
321-***-**** https://www.linkedin.com/in/thiagoazadinho/ **************@*****.*** Summary
Senior professional with over 25 years of IT experience, becoming an expert in Oracle database administration, SQL Server, MySQL, PostgreSQL, and Snowflake in critical and regulated environments (PCI, SOX, FDA), gaining an expertise in high availability (Oracle RAC, Data Guard, AlwaysOn), advanced performance tuning, and in automation with Terraform, Ansible, Shell Script, Python, and CI/CD. Proven experience in complex cloud migrations (AWS, Azure, GCP, OCI) and in giving support for multi-cloud and hybrid environments. Strong background with DevOps tools, observability, and resilient architecture, leading initiatives with a direct impact on availability, cost, and operational efficiency.
Skills
• Oracle RAC & Data Guard
• Performance Tuning
• SQL Server
• Cloud Databases
• Snowflake Optimization & Scaling
• Terraform & Ansible (IaC)
• CI/CD (Jenkins, GitLab CI)
• Python & Shell Script Automation
• Database Migrations & GoldenGate
• Grafana, Nagios & Prometheus
• Backup & Disaster Recovery
• AWS, Azure, GCP & OCI
Education
• MBA in BI and Big Data – UNICSUL, 2020
• Technical Course in Database Technology - UNICSUL, 2019 Language Skills
• Fluent English • Intermediate Spanish • Native Portuguese Certifications
• Oracle Certified Professional (OCP) – Oracle 19c, 2025
• Oracle Cloud Infrastructure Data Science Professional, 2025
• Oracle Cloud Database Services – Certified Professional, 2025
• Oracle Autonomous Database Cloud – Certified Professional, 2025
• Oracle Cloud Infrastructure – Certified DevOps Professional, 2025
• Oracle Cloud Infrastructure – Certified Foundations Associate, 2025
• Oracle Cloud Infrastructure – Certified AI Foundations Associate, 2025
• Oracle Data Platform – Certified Foundations Associate, 2025
• MySQL HeatWave Implementation – Certified Associate, 2025
• MCSE: Data Management and Analytics – SQL Server, 2021
• MCSA: SQL Server –Microsoft, 2020
• Oracle Certified Professional (OCP) – Oracle 12c, 2017 Professional Experiences
Database and DevOps Specialist Allari Inc. (Clients: EPAY/Kroger WL GORE) Jan/2021 to present
• Administrate an Oracle Database (11g/12c/19C RAC, ASM, Data Guard), SQL Server (2000–2019 with AlwaysOn, Log Shipping), MySQL, PostgreSQL, MariaDB, and Snowflake in critical environments, putting a focus on high availability, performance tuning, and compliance (PCI- DSS, SOX, FDA).
• Manage and optimize Oracle GoldenGate 19c for real-time data replication and heterogeneous integrations across Oracle, SQL Server, and PostgreSQL, ensuring zero data loss, low latency, and near real-time analytics in multi-cloud architectures.
• Provide technical leadership over on-premise migration projects to AWS Aurora (Postgres/MySQL) using Jenkins, GitLab CI, Terraform, and Ansible, resulting in a migration of +50TB with zero downtime and an annual savings in infrastructure of US$ 1.2 million.
• Implement hybrid backup and disaster recovery solutions (RMAN, CommVault, Veeam, Azure Blob Storage), reducing RTO by 65% and ensuring validated recovery in multiple critical scenarios.
• Optimize Snowflake workloads with AWS self-scaling, Redis caching, and intelligent partitioning, reducing cost by 40% and accelerating reporting by up to 3x during seasonal campaigns.
• Automate operational and monitoring tasks with Shell Script, PowerShell, and PL/SQL, including integration with tools such as SolarWinds, Nagios, Splunk, Grafana, and Slack, promoting agility and incident prevention.
• Work with architecture and maintenance within multi-cloud environments (AWS, Azure, GCP, OCI) using Kubernetes, Terraform, and Puppet for automatic provisioning, standardization, and automatic failover between clouds, achieving an SLA of 99% on FDA-audited medical systems.
• Provide level 3 support in 150+ mission-critical environments with advanced troubleshooting (AWR, SQL Profiler, Query Store), taking direct actions with DevOps teams, infrastructure, and security to ensure stability and service under rigorous SLAs. Database Specialist INDRA COMPANY – Telco/Electrical Sector Mar/2019 to Dec/2020
• Administrated the Oracle RAC (10g/11g/12c) database in Exadata, SQL Server, and PostgreSQL, focusing on high availability, security, performance tuning, and 24x7 support in mission-critical environments.
• Led the cross-cloud replication project (GCP Oracle Cloud) with GoldenGate, infrastructure as code (Terraform, Puppet), and CI/CD with Jenkins, reducing the provisioning time of new environments by 35%.
• Implemented observability in multicloud environments (GCP, AWS, OCI) with Elasticsearch, Kibana, Grafana, and alerts via Slack/Jira, accelerating incident detection by 30% and resolution by 45%.
• Executed complex on-premises migrations to cloud (OCI and AWS), including planning, testing, rollback, and documentation according to ITIL and good information security practices.
• Led routine automations with PL/SQL, Shell Script, T-SQL and Python for monitoring, backup (RMAN), and operational reporting, increasing efficiency and reducing manual failures.
• Had to deal with a critical data hijacking (ransomware) situation, leading the recovery of the environment with zero data loss and a complete restoration of essential services.
Database Specialist B3 (BVFM & BOVESPA) – Financial Sector Jun/2017 to Mar/2019
• Administrated the Oracle 12c/19C RAC databases and SQL Server 2005–2016 on high-frequency trading systems, ensuring minimal latency, transactional integrity, and continuous availability.
• Carried out advanced performance tuning with AWR, ASH, ADDM, TKPROF, Extended Events, and Query Store, improving response time in critical trading, custody, and clearing applications.
• Participated in strategic infrastructure modernization projects with the adoption of Oracle Exadata, Cloud Migration (AWS), and consolidation of environments in line with BACEN and CVM standards.
• Developed automations with PL/SQL, PowerShell, Python, and Shell Script for backup tasks (RMAN), observability with Prometheus, and deployment with Git + Jenkins pipelines.
• Implemented a multi-site Active Data Guard with low latency replication and continuous deployment via CI/CD, ensuring zero downtime during trading windows and high regulatory reliability.
• Reduced annual costs by US$ 600,000 with storage by migrating log backups to AWS S3 Glacier, optimizing resource usage and making it easier to meet external audits.
Database and Infrastructure Expert UOL (Universo Online) – Financial Sector Jan/2016 to Jun/2017
• Administrated complex environments with +500 databases (Oracle 11g/12c RAC, Data Guard, ASM, RMAN, SQL Server, MySQL, PostgreSQL, MongoDB, Cassandra) in datacenters and virtualized environments (VMware/KVM).
• Led the architecture and implemented MongoDB and NoSQL environments, spearheading infrastructure automation with Ansible, Shell Script, and Python integrated with monitoring via ZABBIX and Nagios, reducing critical incidents by 45% and establishing an IAC standard.
• Designed critical performance tuning and migration projects in Oracle Exadata, including the use of AWR/ASH, TKPROF, SQL Trace, patching, and query adjustments in high-load financial systems.
• Provisioned cloud environments (AWS EC2) with Terraform and used Redis for caching, increasing concurrent transaction capacity by 30% without additional infrastructure investments.
• Managed changes and the delivery of critical environments following ITIL best practices and service governance with documentation and capacity planning.
Oracle Specialist Victus Consulting – Financial Sector Oct/2014 to Dec/2015
• Provided specialized consulting in Oracle 10g/11g/12c/19C, SQL Server, and MySQL environments, working on migration, tuning, upgrades, and high availability (RAC) projects focusing on mission-critical environments.
• Diagnosed and resolved complex problems with AWR/ASH analysis, PL/SQL tuning, PET application, and version upgrade, increasing the reliability and performance of production systems.
• Automated administrative tasks with PL/SQL, Shell Script, and Python, optimizing backup routines (RMAN), monitoring, and reporting with reduced operational failures and increased productivity.
• Participated in projects involving architecture assessment, capacity planning, data governance, and specialized development support, promoting compliance with information security policies and audits.
• Was an Oracle architect spearheading migration and upgrade initiatives, leading performance tests, along with validating integrity and good practices in data modeling and SQL queries.
Oracle Specialist Porto Seguro (INEX) – Financial Sector Mar/2014 to Oct/2014
• Was responsible for the Oracle database layer in the strategic migration project from the SIACON to the Consync system, including Oracle RAC, query tuning, sensitive data migration, and critical incident management.
• Carried out PL/SQL application tuning, lock analysis, deadlocks, statistics updates, and used tools such as AWR, SQL Developer, TOAD, and TKPROF, optimizing performance in core processes.
• Created and maintained Disaster Recovery strategies with Oracle RMAN and with regular restore tests, ensuring data integrity throughout the migration process.
• Gave support for production and non-productive environments, including patching, proactive analysis, and preventive maintenance, ensuring stability and availability in a 24x7 environment.
• Interacted with the development, infrastructure, and security teams as an Oracle technical focal point, promoting alignment with SLAs and compliance and information security practices.
Oracle Specialist and Project Manager AngolaPrev – Public Sector Sep/2012 to Mar/2014
• Led digital transformation of the national social security system (INSS), including architecture design, Oracle 10g/11g database administration, advanced tuning, and high availability implementation with Oracle Data Guard and GoldenGate.
• Managed the social security system deployment project (core business) using PMI, IT governance, risk management, timelines, and alignment with executive stakeholders.
• Set up test, homologation, and production environments with robust Disaster Recovery (DR) policies and automated backups via RMAN, reducing RTO from 8 hours to 45 minutes, ensuring zero data loss in incidents.
• Coordinated a multicultural technical team in both Brazil and Angola, focusing on SLA/KPI management, knowledge transfer, and mediation between the technical areas, business, and international suppliers.
• Integrated Oracle Cloud Control with Nagios and Python scripts for proactive monitoring of distributed critical databases, increasing reliability and governance of sensitive data.
Oracle Specialist and Project Manager Beneficência Portuguesa Hospital – Hospital Sector Sep/2011 to Aug/2012
• Administrated Oracle 10g/11g databases, SQL Server 2008/2012, and MySQL database in a critical hospital environment, focusing on high availability, sensitive data security, and performance.
• Deployed a BI solution with QlikView integrated with Oracle 11g that included automated ETL pipelines in Python + Jenkins, reducing medical reporting time from 4 hours to 20 minutes.
• Managed projects to modernize legacy systems, including the deployment of Service Manager using PMI and ITIL for controlling scope, risks, and communication between IT, financial, and clinical staff.
• Automated routines in PL/SQL and Shell Script for integration with electronic records, the hospital ERP, and data extraction for BI, optimizing processes and accelerating decision making.
• Planned and executed backup/restore strategies with RMAN and Data Pump, creating retention and versioning policies for production and testing environments while giving support to LGPD and internal audits. Oracle Specialist B2BR – Consulting Sep/2010 to Aug/2011
• Was responsible for projects to migrate legacy systems in strategic clients such as TRF3 (Sybase for Oracle 11g RAC in AIX) and PRODESP
(DB2 for Oracle 11g RAC in RedHat), serving as a technical reference in mission critical environments.
• Used Oracle GoldenGate for online migration, automating deploys with Ansible and validation via Python scripts, ensuring downtime-free migration with an estimated annual savings of US$ 1 million in licenses.
• Optimized queries and PL/SQL structures with intensive use of AWR, TKPROF, ADDM, and SQL Developer, reducing response times and increasing post-migration operational efficiency.
• Automated routines with Shell Script and PL/SQL for backup, data cleaning, and monitoring, reducing manual failures and incident response time.
• Administrated Oracle 10g/11g databases in Linux and AIX environments, including instance parameter settings, tablespace management, performance tuning, and level 3 support in critical incidents (locks, corruption, listener/tns). Oracle Specialist TIM Cellular – Telephony Jul/2007 to Sep/2010
• Ensured an advanced administration of Oracle databases (10g, 11g, 12c), SQL Server, and MySQL in mission-critical environments with Oracle RAC, Data Guard, and clustering on HP-UX, AIX, Linux, and Windows, ensuring high availability (HA) and operational resilience.
• Implemented Disaster Recovery (DR) strategies with Oracle RMAN, Data Guard, and Flashback, including backup automation with IBM TSM, resulting in increased reliability and rapid data recovery in critical scenarios.
• Provided technical leadership in restructuring the NGIN environment (6PB), integrating RAC + Data Guard with validation pipelines via Jenkins + Shell, elevating the SLA to 99.95% and increasing robustness in billing systems.
• Optimized performance (tuning) in core systems (Billing, CRM, Provisioning) using AWR/ASH reports, TKPROF, and SQL Trace, resulting in reduced response times and resource efficiency. Senior DBA VIVO S/A – Telephony Sep/2006 to Jun/2007
• Managed large Oracle RAC environments (9i/10g) with more than 6PB of data, focusing on performance, scalability, and high availability for critical systems.
• Planned and executed backup and recovery policies with RMAN, Data Pump (expdp/impdp), and Backup Exec, ensuring compliance with governance policies and operational continuity.
• Automated tasks with Shell Script, PL/SQL, and OEM (Oracle Enterprise Manager) monitoring, reducing human failures and accelerating incident response.
• Analyzed and optimized queries for billing and CRM systems, focusing on transactional efficiency and data integrity, providing direct support for the development and infrastructure teams.
Junior Database Administrator CPM Telecom S/A – Banking Jan/2002 to Sep/2006
• Administrated Oracle databases (7.3, 8i, 9i) and SQL Server 2000 in a critical banking environment with a focus on security and stability.
• Carried out backup/restore routines with RMAN, LEGATO, EMC robots and SSMS, ensuring compliance with Disaster Recovery policies and 24x7 availability.
• Developed and maintained database objects (procedures, views, triggers, indexes), collaborating with development teams to ensure good performance and modeling practices.
• Gave support to incidents in a RAC environment, monitoring with SQL Profiler, AWR Reports for resolving locks and deadlocks, maintaining the SLA with business areas.
Contact this candidate