Erkan ÜLGEY

Big Data Administrator, Sr. Oracle DBA

acwpit@r.postjobfree.com

tr.linkedin.com/in/erkanulgey

@erkanulgey

http://kamudba.blogspot.com.tr/

Summary

With 5+ years in IT from dev to DBA, I am currently working on establishing a complete hadoop environment and maintaining a harmony between traditional systems and big data components.

I'm passionate about exploring, learning new technology and well at adapting and applying. I love blogging and sharing my experiences .

I work in a style of well communicating with other teams to produce better services and comfortable to be in large, leading companies.

Like playing game consoles and travelling.

Personal Information

Date of Birth : 14.May.1988

Nationality : Turkey

Marital Status : Single

Military Service : Done

Education

M.sc : Bogazici University/Computer Engineering ( 2011- ..) B.sc : Istanbul Technical University / Computer Engineering ( 2006-2010) High School completed with 1st rank.

Experience

Database & Big Data Administrator

Garanti Technology

June 2015 – Present

Working with hadoop on Oracle BDA

- Configuring Edge Node to restrict client access directly to BDA and establish development environment witch client configurations to Hadoop.

- Enterprise User Management on Hadoop

- AD entegrated unix/hdfs enterprise user management with Centrify and ACL authorization

- AD entegrated sentry(hive/impala) authorization

- AD entegrated Hue

- Enabling DataPool for Production System in a Kerberos Secured Environment

- Hive-Oracle NoSQL DB connection

- Install & Secure Oracle NoSQL database

- Design Cloudera Dashboards to get system reports

- Load Data from Exadata with utilizing Infiniband

- Data ingestion with Sqoop & ODI

- Kafka & Flume configuration

- Configuration of Hbase-Solr indexer to achive NRT search

- Enabling Oracle BigDataSQL to integrate 1-SQL for ALL

- Motivation of New technology

- Elastic Search

- MongoDb

- Cloud Sanbox projects

Administer Oracle databases 100+ TB in size

- Maintain 7x24 production DWH on Exadata with DG and DR

- Maintain 7x24 production OLTP databases on AIX, Solaris

- Upgrade Project to 12c

Administer SQL server databases 100+TB in size

- Maintain 7*24 production systems

Senior Oracle DBA

TUBITAK*

*THE SCIENTIFIC AND TECHNOLOGICAL RESEARCH COUNCIL OF TURKEY October 2010-October 2014

Administer Oracle databases

- Managing and maintaining Oracle 11g databases with Oracle Dataguard by managing failover/swichover operations

- Using Oracle RAT mechanism

- Patch management of DB Servers

- SQL Scripting support for internal users and programmers

- SQL tuning via Enterprise Manager, or manually done with programmers

- Creating and managing Oracle Database Backup procedures

- Ensuring the database backups to be taken and preparing the restore/recovery procedures

- Written several Linux shell scripts, SQL scripts and PL/SQL programs to automate the tasks

Modernization of Database systems

- Upgraded Databases from 9i (win 32bit) and 10g (win 32bit) to 11gR2 (Linux 64 bit systems)

- Consolidation of databases

- Making archiving system for transferring the data from online system to the reporting system by enabling Active DataGuard

- Supporting central SAP project with Oracle database operations Software Engineer

Cybersoft

August 2010-September 2010

- Developing banking projects using Java

- Work with development tools and development phases Intern

Monitise

January 2010 – February 2010

- Java Mobile Service Architecture 2 ve JSR, Java Servlet 2.x ve 3.0 apps

- Usage of Grinder test tool

- Development with xmpp, smack api, swing ..

Intern

Vodafone Teknoloji Hizmetleri A.Ş.

July 2009 – September 2009

- Experiences with Oracle Database & Java

- Developing VAS programs

Certifications

- Oracle Database 11g Administrator Certified Professional 2013

- Oracle Database 11g Performance Tuning Certified Expert 2014

- Big Data University - Big Data Fundamentals (BD000EN) 2016

- Big Data University - MapReduce and YARN- (BD016V4EN) 2016

- Big Data University - Moving Data into Hadoop (BD020EN) 2016

- Big Data University - Accessing Hadoop Data Using Hive (BD030EN) 2016

- Big Data University - Hadoop Fundamentals I (BD001EN) 2016 Talks

- Enterprise User Management on a Kerberos Secure Oracle BDA *

*Accepted DOAG 2016, Nuremberg

https://2016.doag.org/en/home/

- Oracle DataGuard 12c Hot Features

TROUG High Availability Sig 2015, Istanbul

http://www.troug.org/haberler/high-availability-sig-meeting-2016/

- Oracle Cloud Services

Oracle Cloud Day 2015, Istanbul

http://www.troug.org/haberler/oracle-cloud-day-2015-istanbul/

- Moving Primary Server on DataGuard Environment

TROUG Dev Sig 2014, Istanbul

http://www.troug.org/haberler/dbadevelopment-sig-etkinligi-2014/ Publications

- Querying A Secure Oracle Nosql Database Via Beeline Interface OtechMag Winter 2015

http://otechmag.com/magazine/2015/winter/erkan-ulgey.html

- My Blog (2013

http://kamudba.blogspot.com.tr/

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