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Hericles Heinz

@hericlesheinz

Oracle Database Administrator specializing in RAC, Data Guard, RMAN and performance tuning.

Brazil
Message

What I'm looking for

I seek roles focused on Oracle database reliability, performance tuning, and large-scale migrations in collaborative teams where I can architect and optimize production database environments.

I am an Oracle Database Administrator with experience designing, installing, and configuring Oracle Database environments, including RAC, Exadata, and Standby systems. I have delivered performance improvements through SQL tuning, managed large databases (45TB+), implemented backups and recovery strategies with RMAN, and led upgrades and migrations to Oracle 19c.

I have supported 150+ clients across diverse environments, created 20+ environments from scratch (OCI and on-prem), and resolved complex issues in mixed stacks involving WebLogic, Tomcat, Windows Server and Linux. I hold OCP 19c and Data Guard certifications and focus on reliability, performance, and scalable database architecture.

Experience

Work history, roles, and key accomplishments

ET
Current

Oracle Database Consultant

Eximio TI

Apr 2021 - Present (4 years 6 months)

Supported 150+ clients managing RAC, Exadata and 45TB+ databases; performed SQL tuning to reduce long-running jobs from hours to seconds, created 20+ environments (OCI/on-prem), and led Oracle 19c upgrades and migrations.

IN

Oracle Database Administrator

Indyxa

Oct 2019 - Apr 2021 (1 year 6 months)

Provided N1/N2 Oracle DBA services including environment setup, backup policy management and customer support across WebLogic, Tomcat, Windows Server and Linux platforms; resolved incidents and maintained database availability.

Education

Degrees, certifications, and relevant coursework

TS

TopWay English School

Language Course, English

Completed English language studies at TopWay English School.

Tech stack

Software and tools used professionally

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Hericles Heinz - Oracle Database Consultant - Eximio TI | Himalayas