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eray erese

@erayerese

Senior Database Administrator at NXP Semiconductors Germany GmbH who operated SQL Server Always On and designed disaster recovery for a 200+ TB Oracle Exadata warehouse.

Germany

Message

At NXP Semiconductors Germany GmbH, I designed and operated SQL Server Always On Availability Groups for business-critical production databases. I also planned geographically distributed replication and handled migrations, upgrades, and performance optimization.

At IBTECH A.Ş., I administered large-scale Oracle, Microsoft SQL Server, and MySQL environments. I designed disaster recovery for a 200+ TB Oracle Exadata Data Warehouse, performed Oracle RAC and ASM upgrades for more than 20 databases, and automated administration tasks with PL/SQL and T-SQL.

Earlier, at Turkish Economy Bank (TEB), I administered 400+ databases supporting core, internet, and mobile banking. I implemented RMAN backup and recovery procedures, performed database upgrades and migrations, and configured Oracle GoldenGate.

Experience

Work history, roles, and key accomplishments

Senior Database Administrator

NXP Semiconductors Germany GmbH

Sep 2021 - Jun 2026 (4 years 9 months)

Designed and operated SQL Server Always On Availability Groups for high availability and resilience. Planned and operated geographically distributed database replication, analyzed SQL queries for performance optimization, and executed database migrations and upgrades with minimal downtime.

SQL Server AlwaysOn Availability Groups High Availability Disaster Recovery Replication Performance Optimization Query Optimization Database Migration PowerShell T SQL Incident Management Root Cause Analysis Security Hardening

Consulting Database Designer

IBTECH A.Ş.

Jun 2015 - Aug 2021 (6 years 2 months)

Administered large-scale OLTP and Data Warehouse environments based on Oracle, SQL Server, and MySQL. Performed Oracle RAC, ASM, and Data Guard upgrades, designed disaster recovery for a 200+ TB Exadata warehouse, and automated tasks with PL/SQL and T-SQL scripts.

Oracle Database Microsoft SQL Server MySQL Oracle RAC ASM Dataguard Oracle Exadata Oracle RMAN Disaster Recovery Performance Optimization Pl SQL T SQL Automation

Senior Database Administrator

Turkish Economy Bank (TEB)

Jun 2013 - May 2015 (1 year 11 months)

Administered 400+ Oracle and SQL Server databases supporting Core Banking, Internet Banking, and Mobile Banking. Performed Oracle 11g to 12c upgrades, migrated databases from AIX to RHEL, and implemented RMAN-based backup and recovery strategies.

Oracle Database Microsoft SQL Server Oracle Data Pump Oracle RMAN Backup And Recovery Oracle GoldenGate Database Upgrades Migration Automation Performance Optimization

Military Service & Professional Training

Turkish Armed Forces

Jan 2012 - May 2013 (1 year 4 months)

Completed mandatory military service and received professional training in Oracle Database Administration.

Oracle Database Administration

Database Administrator

Takasbank – Istanbul Settlement and Custody Bank

Jan 2008 - Dec 2011 (3 years 11 months)

Administered Oracle and Microsoft SQL Server databases in a business-critical financial environment. Performed backup, restore, recovery operations, and supported highly available database environments.

Oracle Database Microsoft SQL Server Backup And Recovery High Availability Performance Optimization Database Migration