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zen User

@zenuser2

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Oracle DBA specializing in high-availability banking systems, performance tuning, and automation.

Ethiopia

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What I'm looking for

I seek roles where I can secure and optimize critical database systems, work on high-availability and DR solutions, automate workflows, and grow in large-scale banking or enterprise environments.

I am an Oracle Database Administrator with over three years of banking experience managing Oracle 12c and 19c production environments supporting core banking systems.

I specialize in RAC and Data Guard administration, RMAN backup and recovery, performance tuning using AWR/ASH/ADDM, and database security and auditing to meet regulatory standards.

I designed and automated an ETL pipeline handling ~100k+ daily financial transactions, improved migration reliability to near-zero failures, and strengthened DR readiness with documented recovery procedures.

I also bring hands-on experience in Linux/Solaris administration, shell scripting, and prior full-stack systems engineering (PHP/Yii2/MySQL), which helps me coordinate cross-functional teams and deliver reliable enterprise solutions.

Experience

Work history, roles, and key accomplishments

Current

Oracle Database Administrator

Current

Wegagen Bank S.C

Oct 2021 - Present (4 years 2 months)

Manage Oracle 12c/19c production environments for core banking (Flexcube), administering RAC and Data Guard to ensure HA/DR, and automated ETL pipelines processing ~100k+ financial transactions daily while improving reliability and reducing query latency.

Oracle 12C RAC SQL Tuning Shell Scripting

Full-Stack & Systems Engineer

Romhay Das ICT / Aelaf ICT Solutions

Jan 2013 - Dec 2020 (7 years 11 months)

Designed and delivered enterprise systems (ERP, DMS, Hospital Management) using PHP/Yii2 and MySQL, led deployment and server configuration, and optimized MySQL databases for reliability and availability across government and telecom projects.