Bahriye Eser - Freelance

Q: Where is Bahriye based?

Bahriye is based in Neresheim, Germany .

Q: What languages does Bahriye speak?

Bahriye speaks the following languages: German (Native), Turkish (Native), English (Advanced) .

Q: How many years of experience does Bahriye have?

Bahriye has at least 22 years of experience. During this time, Bahriye has worked in at least 5 different roles and for 9 different companies . The average length of individual experience is 3 years and 6 months . Note that Bahriye may not have shared all experience and actually has more experience.

Q: What companies has Bahriye worked for in recent years?

In recent years, Bahriye has worked for Centris AG , Logicalis , and Hensoldt .

Q: Which industries is Bahriye most experienced in?

Bahriye is most experienced in industries like Information Technology (IT) , Aerospace and Defense , and Telecommunication . Bahriye also has some experience in Banking and Finance .

Q: Which business areas is Bahriye most experienced in?

Bahriye is most experienced in business areas like Information Technology (IT) , Operations , and Business Intelligence .

Q: Which industries has Bahriye worked in recently?

Bahriye has recently worked in industries like Aerospace and Defense and Information Technology (IT) .

Q: Which business areas has Bahriye worked in recently?

Bahriye has recently worked in business areas like Information Technology (IT) and Operations .

Q: What is Bahriye's education?

Bahriye holds a Doctorate from Dreißental School and a Master in Culture and history of the Near East from Ludwig Maximilian University of Munich .

Recommended expert

Neresheim, Germany

Experience

May 2025 - Jul 2025

3 months

Centris AG

Administration of 8-node RAC (19.26) database systems
Use of GoldenGate
Use of UC4

Feb 2021 - Dec 2024

3 years 11 months

Freelance

Logicalis

Administration of databases in OCI on Exadata X8M
Use of Oracle Exadata Cloud 23.1.15
Operation with RAC and standby databases (version 19.23)

Jun 2020 - Dec 2024

4 years 7 months

Freelance

Hensoldt

Migration from Oracle 12 to 19
Patching, backups and restore with RMAN
Setup of cleanup scripts
Sole responsibility

Apr 2019 - Dec 2020

1 year 9 months

Freelance

M-Net München

Sole responsibility for administration of databases on ODA (RAC)

Apr 2016 - Apr 2019

3 years 1 month

Senior System Engineer

Opitz Consulting Deutschland GmbH

Administration of Oracle 11g, 12c, 19c, 20c databases on Linux with Veritas Cluster Software
Operation of standby databases in snapshot mode
Change and ticket management with Remedy
Migration from Oracle 11 to 12c and character set migrations with DMU tool
Restore/recovery tests and database replication with duplicate database
Exports and imports
Applying PSU patches
Oracle troubleshooting
Administration of MySQL databases

Apr 2015 - Apr 2016

1 year 1 month

Senior Oracle Database Administrator

Baaderbank

Administration of Oracle 11g databases on Sun Solaris
Administration of Oracle Clusterware and ASM
Operation of standby databases
Support for developers and application administrators

Feb 2009 - Mar 2015

6 years 2 months

Oracle Database Administrator

HP/EADS

Installation and administration of Oracle 8i, 9i, 10g, and 11g databases on Reliant Unix, Sun Solaris, Linux, HP-UX, and Windows
Maintenance and parameter tuning of databases
Monitoring and troubleshooting
Migration and patching of databases
PL/SQL programming
Consulting for the plan and build team
Supporting and advising application developers
SQL tracing and debugging
Performance tuning analysis using AWR, Statspack, and SQL scripts
Backup integration with RMAN on Tivoli and DataProtector
Restore, recovery, and duplication of databases
Installation of Grid Control 11g and Intelligent Agent
Shell scripting
Ticket and change management
Creating documentation for Oracle and Tivoli users
Implementation and rollout of cleanup scripts and new Oracle features like Block Change Tracking and Flashback
Administration of Tivoli Backup servers and Tivoli Storage Management
Integrating clients into TSM instances
Reviewing and troubleshooting backups

Oct 2004 - Jan 2009

4 years 4 months

Oracle Database Administrator

T-Systems/Toll Collect

Installation and administration of Oracle 8i, 9i, and 10g databases on Sun Solaris
Maintenance and parameter tuning of databases
Monitoring and troubleshooting
Migration and patching of databases
PL/SQL programming
SQL tracing, debugging, and performance tuning
Shell scripting
Database backup and recovery
Responsible for database monitoring via Tivoli
Performing backups and recovery tests
Creating emergency scenarios for database outages
Installation and maintenance of Apache, Tomcat, JBoss, Oracle IAS, and Quality Center
Setting up standby databases
3rd-level database hotline support (24/7)
Ticket and change management

Oct 2001 - Oct 2003

2 years 1 month

Database and application support

T-Systems Augsburg

Installation and administration of standalone and OPS databases (Oracle 8i) on Sun Solaris
Maintenance and parameter tuning of databases
Monitoring and troubleshooting
PL/SQL programming
Support and consulting for Cognos and Informatica
Database export/import
SQL tracing and debugging
Performance tuning with Statspack and SQL scripts

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (13.5 years), Aerospace and Defense (10.5 years), Telecommunication (1.5 years), and Banking and Finance (1 year).

Information Technology

Aerospace and Defense

Telecommunication

Banking and Finance

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (22.5 years), Operations (9 years), and Business Intelligence (2 years).

Information Technology

Operations

Business Intelligence

Skills

Apache
Ias
Grid Control
Oracle Enterprise Manager
Tivoli Monitoring
Tivoli Backup
Incident And Change Management According To Itil
Toad
Sql*plus
Spotlight
Statspack
Awr
Remedy
Service Center
Cognos
Informatica
Quality Center
Tsm Manager
Nagios
Data Protector
Oracle Exp/imp
Oracle Expdp/impdp
Tkprof
Rman

Languages

German

Native

Turkish

Native

English

Advanced

Education

May 1992 - Dec 1999

Ludwig Maximilian University of Munich

Master of Arts, culture and history of the Near East · Culture and history of the Near East · Munich, Germany

Nov 1989 - Oct 1991

Technical University of Munich

Mechanical engineering, specialization in aerospace engineering · Munich, Germany

Oct 1985 - Jun 1989

Technical High School Heidenheim

General higher education entrance qualification · Heidenheim, Germany

...and 3 more

Certifications & licenses

MySQL Adminstration

RAC 12c Administration

Tuning databases 11g

PL/SQL programming

Database 11g Rease 2: New Features For Administation

IBM-TSM Workshop For Tivoli Server And Tivoli Client

Apache Administration: Linux as web server

Web hacking: detecting and preventing attacks against servers and applications

Oracle Database 10g: RAC For Administrators

Foundation Certificate In IT Service Management

Oracle Database 10g: PL/SQL and database programming

Oracle 9i Database: Advanced backup and recovery with RMAN

Oracle Database 10g: New Features For Administrators

Oracle Application Server 10g: Administration I

Cognos Certificate: Access Manager Series 7- Administration

Oracle Application Server 10g: Administration II

Unix fundamentals

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Bahriye based?

Bahriye is based in Neresheim, Germany.

What languages does Bahriye speak?

Bahriye speaks the following languages: German (Native), Turkish (Native), English (Advanced).

How many years of experience does Bahriye have?

Bahriye has at least 22 years of experience. During this time, Bahriye has worked in at least 5 different roles and for 9 different companies. The average length of individual experience is 3 years and 6 months. Note that Bahriye may not have shared all experience and actually has more experience.

What roles would Bahriye be best suited for?

Based on recent experience, Bahriye would be well-suited for roles such as: Freelance, Senior System Engineer, Senior Oracle Database Administrator.

What companies has Bahriye worked for in recent years?

In recent years, Bahriye has worked for Centris AG, Logicalis, and Hensoldt.

Which industries is Bahriye most experienced in?

Bahriye is most experienced in industries like Information Technology (IT), Aerospace and Defense, and Telecommunication. Bahriye also has some experience in Banking and Finance.

Which business areas is Bahriye most experienced in?

Bahriye is most experienced in business areas like Information Technology (IT), Operations, and Business Intelligence.

Which industries has Bahriye worked in recently?

Bahriye has recently worked in industries like Aerospace and Defense and Information Technology (IT).

Which business areas has Bahriye worked in recently?

Bahriye has recently worked in business areas like Information Technology (IT) and Operations.

What is Bahriye's education?

Bahriye holds a Doctorate from Dreißental School and a Master in Culture and history of the Near East from Ludwig Maximilian University of Munich.

Does Bahriye have any certificates?

Bahriye has 17 certificates. Among them, these include: MySQL Adminstration, RAC 12c Administration, and Tuning databases 11g.

What is the availability of Bahriye?

Bahriye is immediately available for suitable projects.

What is the rate of Bahriye?

Bahriye's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.