Oracle DBA (OCM) DataGuard (DG) Real Application Cluster (RAC) HA Lösungen RMAN 11g 12c 19c Exadata GoldenGate CloudControl OVM Linux Azure OCI
Aktualisiert am 07.05.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 30.06.2025
Verfügbar zu: 100%
davon vor Ort: 100%
Oracle
Datenbanken
Administration
Datensicherungskonzept
DB-Tuning
Oracle RAC
Oracle Data Guard
Cloud
Azure
Linux
Backup-Systeme
NFS
SQL
Architekt
German
speaking/ reading/ writing - C1
English
speaking/ reading/ writing C1
Polish
native

Einsatzorte

Einsatzorte

Frankfurt am Main (+500km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

7 Jahre 5 Monate
2017-12 - 2025-04

various

Oracle Consultant Oracle 11g/12c/19c (>1TB+/ >100+ databases) Linux RAC ...
Oracle Consultant
  • Microsoft Azure
    • Design/ Shape/ Capacity analysis including PoC
  • Microsoft Azure
    • Final implementation for migration from on-prem RAC to SI Data Guard environment
  • Performance Tuning/Troubleshooting for Crew Management Systems (pilots/ briefings)
  • Design and implementation of disaster recovery aware system based on RAC-Extended Cluster and DataGuard
  • OEM
    • Oracle Cloud Control OEM Maintenance: Installation + Upgrade of OEM 12.1.0.5 > 13.3 > 13.5
    • Creating agent golden image with new RU and security fixes for full-scale environment OEM agent upgrade
    • Developing custom metric extensions and reports
    • Full monitoring setup with Template Collection and Monitoring Templates (plus configuration of Incident Rules based on Target LifeCycle)
  • Upgrade of GI from 11.2.0.4=>12.1.0.2, 12.1.0.2=>18.4, 18.4=>19.6+
  • Upgrade of Databases from 11.2.0.2=>12.1.0.2, 12.1.0.2=>19.18+
  • Redesign and license optimization based on Oracle SE on ODA and DBVisit
  • Design of virtualized platform based on OLVM(Oracle Linux Virtualization Manager - KVM) and license optimization using hard partitioning. Migration of databases from BareMetal to OLVM
Oracle 11g/12c/19c (>1TB+/ >100+ databases) Linux RAC Data Guard
Airline Sector, Frankfurt am Main (Germany)
9 Jahre
2016-01 - 2024-12

Exadata SME for EMEA, Primary DBA for SEPA (Single Euro Payment Area Database)

DBA, Oracle Consultant Oracle 11g/12c/18c/19c (100TB+/ 10000+ databases) Linux/Solaris RAC ...
DBA, Oracle Consultant
  • Exadata Full Stack Patching including compute nodes, storage cells, Infiniband switches to recent versions
  • Exadata Maintenance, Storage reorganization on Cell/Grid/ASM level for production/ UAT/ Dev clusters
  • OCI Cloud: Architecture planning for migration to ExaCC (Exadata@Customer) biggest private cloud in Europe/World
  • OCI Cloud: Onboarding new virtualized Exadata (with and without node subsetting)
  • Consulting: Engineered Systems, RAC, Backup&Restore, Tuning, Capacity Planning
  • Migrations: using DataPump/Data Guard Standby switchover with minimal downtime, using TTS with endianness conversion and image copies on External Storage
  • Upgrades: Oracle Database from 11+ to 19c, GI Upgrades > 18 and 19c
  • Onboarding 4 Exadata X7-8 and 1x X7-8 Full Rack+ setup ZFS backup infrastructure for both DC for SEPA
  • Deep dive Performance Tuning/Troubleshooting for mission-critical OLTP/DWH databases (Exadata+ RAC+ DataGuard+ASM+ZFS) using AWR/ASH/snapper/OEM, 10046/10053 traces/ oradebug etc. and fixing via SQL Profiles/SQL Baselines/Hints and other methods
  • Consolidation of two projects on Full RACK X6-2 including initial reconfiguration of storage, patching to newest Exadata Image(18.1.4), GI upgrade to 18c and implementation of IORM based on application teams requirements. Endurance testing with SLOB(Project Treasury)
  • Project Technical Lead and Outage Escalation
  • Third-level support(Global Oracle)
  • Technical Lead for bank-wide 19c Certification Project (New Release of Oracle Database/ Grid software) and onboarding new Exadata in the bank
Oracle 11g/12c/18c/19c (100TB+/ 10000+ databases) Linux/Solaris RAC Data Guard X5/6/7/8/9 Exadata Multi-Rack
Banking Sector, Frankfurt am Main (Germany)
5 Monate
2015-08 - 2015-12

Monitoring Migration from IBM TEC to Oracle Cloud Control 12c

DBA, Oracle CloudControl Consultant Oracle 10g/11g/12c (5TB+ 2000+ databases) Linux ...
DBA, Oracle CloudControl Consultant
  • Monitoring Migration from IBM TEC to Oracle Cloud Control 12c
  • Building Monitoring Templates for databases, clusters, hosts, WebLogic and OIM targets
  • Building customer specific Metric Extensions(ME: Agent-Site and Repository-Site) to extend Oracle monitoring capabilities
  • Creating reports based on ME data and CloudControl target-metadata
  • Creating Incidents and Notification Rules
  • Monitoring of performance degradation over time with AWR Warehouse and Repository Metrics (buffer gets)
  • Automatic identification of database configuration issues like: high number of redolog switchs, logfile sizing, Undo issues in clusters, failover databases monitored by wrong agent
  • Rewriting shell scripts to OEM format
  • Creating documentation in Confluence
  • Troubleshooting, performance tuning(sql-,instance-, storage-level) test/ QS/ production DB
  • Integration HP BSM with OEM trough Connector
Oracle 10g/11g/12c (5TB+ 2000+ databases) Linux RAC Failover DB CloudControl IBM TEC (Tivoli Enterprise Console)
Volkswagen Financial Services AG, Brunswick (Germany)
2 Jahre 2 Monate
2013-06 - 2015-07

Validation of the backup/restore strategy

DBA, Oracle Consultant Oracle 11g/12c (2TB+) Linux/AIX/Windows RAC ...
DBA, Oracle Consultant
  • Validation of enterprise backup/restore strategy
  • Creating, implementing and installation of high available environment for mission critical OLTP databases (RAC+ DataGuard, including Client Failover)
  • Consulting and support in area: Real Application Testing, Engineered Systems like Exadata, ODA/OVCA, Automatic Degree of Parallelism
  • Creating company-wide procedure for installing and administration Oracle product according to Best Practices (orachk-tool)
  • Collecting prerequisite/ coordination/ realization of PoC: OVM as high available and consolidated platform (IaaS, DaaS) with new usage reporting model (Chargeback) and OVM-Integration with CloudControl for role-based separation
  • troubleshooting, performance tuning(sql-,instance-, storage-level) test/ QS/ production DB
  • data modeling with: RationalRose Model Integrator, MID Innovator, Embarcadero DB Change Manager and ER Studio DataArchitet
  • Third level support for the local team of Oracle DBAs
  • Technical project management
Oracle 11g/12c (2TB+) Linux/AIX/Windows RAC Data Guard Grid-/CloudControl Oracle VM
Datev eG, Nuremberg (Germany)
6 Monate
2014-09 - 2015-02

Consolidation of Oracle infrastructure on Oracle Virtual Compute Appliance OVCA

Oracle Consultant
Oracle Consultant
Collecting prerequisite/coordination/realization of Proof of Concept Designing of testing methodology and creating/performing numbers of test scenarios oriented on high availability Installation of Oracle Virtual Machine(OVM3.3) on 4 nodes Creating Repositories/Servers Pools Deploying Oracle Templates and creating own-templates with variety of Oracle releases/configurations Deploying Real Application Cluster on OVM with deploy-cluster scripts Integration the Oracle VM Manager into Oracle CloudControl Generating Load on databases and virtual machines Comparing usage reports thought Chargback Managing users for role-base separation within CloudControl
OVM 3.3 Oracle 11g Oracle 12c Oracle Data Guard Real Application Cluster Oracle CloudControl Oracle Enterprise Linux Oracle Chargback Oracle Virtual Compute Appliance
Nuernberg
2 Jahre
2011-06 - 2013-05

ProActive System Management

DBA, Oracle Consultant corporate systems based on Oracle 9i/10g/11g (10TB+) ASM Linux/ HP-UX/ AIX/Windows ...
DBA, Oracle Consultant
  • Day-to-day Oracle DBA tasks(ticket system)
  • Backup, restore and disaster recovery procedures
  • Regular clones of production system for development and testing purposes
  • Designing/ installation/ configuration/ adminitration/ troubleshooting of production and development Oracle based systems
  • Designing and implementing of high availability (HA) and replication concepts for Oracle based systems (with RAC, Data Guard/Standby Systems, Oracle GoldenGate)
  • Troubleshooting and Performance Tuning, solving performance problems in the enterprise multi-tier environment (rdbms-storage level) using STATSPACK/ AWR/ Snapper, supporting Oracle developers
  • Engineering and documenting new solutions based on the Oracle newest technologies (Project Exadata/Flash Cache/Cards)
  • DB patches regression tests and installation
  • Technical project management
  • Third level support for the local team of Oracle DBAs and coaching new DBAs
corporate systems based on Oracle 9i/10g/11g (10TB+) ASM Linux/ HP-UX/ AIX/Windows RAC Data Guard GridControl E-Business Suite Weblogic Oracle VM
OPITZ CONSULTING, Cracow (Poland)
1 Jahr 4 Monate
2010-06 - 2011-09

Daily Oracle administration ? Remote-DBA PASM

Oracle DBA
Oracle DBA
Remote Administration on a daily basis for various customers on the production systems, Oracle versions 9i to 11g Release 2 Responsible for managing, troubleshooting, optimizing efficiency and high availability of Oracle databases ensuring regular backup and restore developing, implementing and managing security Performance Tuning(AWR, Statspack, SQL Trace, set event 10046, 10053) Data Guard (Primary + physical standby) installation and configuration Installation and configuration of test environment
Oracle 9i Oracle 10g Oracle 11g Oracle RAC Oracle Data Guard Oracle ASM Oracle Weblogic Oracle E-Business Suite Oracle Real Application Testing AWR Oracle Grid Control Oracle Cloud Control RedHat OEL SUSE Linux Enterprise Server Solaris 10 IBM AIX 5.3 HP-UX Oracle Virtual Machine VMware ESX
Itenos, Kabel Deutschland, Synlab, Toshiba, Marquard&Bahls
Cracow PL / Neuss DE / Gummersbach DE
3 Monate
2011-06 - 2011-08

Oracle GoldenGate ZeroDowntime cross-platform migration

Oracle Consultant
Oracle Consultant
- Monitoring GoldenGate environment, installation and configuration, performing initial data load, configuring the Manager process and Data Pump process - Configuring online change synchronization and DDL-support synchronization, filtering and mapping data for ZeroDowntime cross-platform migration - Carrying out of the tests - Documenting of the results
Oracle 10g Oracle SQL Developer Oracle GoldenGate Oracle 11g Oracle Enterprise Linux SUSE Linux Enterprise Server
Opitz-Consulting
Krakau
1 Jahr 1 Monat
2010-06 - 2011-06

Service Engineering

Junior DBA, Junior Consultant Oracle 10q/11g ASM Linux 10 ...
Junior DBA, Junior Consultant
  • Day-to-day Oracle DBA tasks
  • Backup and recovery (with RMAN)
  • Maintenance and documentation tasks
  • Installation/ configuration/ administration/ troubleshooting of production and development Oracle databases/ GridControl environments
  • Installation and configuration of small prod/test RAC/Data Guard environments
  • Administering of LAN/WAN environment
  • Translating German documentation
Oracle 10q/11g ASM Linux 10 RAC Data Guard Unix systems
OPITZ CONSULTING, Cracow (Poland)
3 Monate
2011-03 - 2011-05

OCINS Install Server (Cobbler)

Consultant Shell-Script Unix Scripting Red Hat Enterprise Linux ...
Consultant
  • Configuration Linux installation server for rapid setup of network installation environments and creating environment for automatic Oracle installation during system boot for HA purpose Creating central server with system-repositories
  • Cobbler installation and configuration 
  • Test and implementation, managing Redhat, OEL and Suse scripts, snippets and distros 
  • Configuration DHCP server for PXE-bootoption 
  • Documenting of the results
Shell-Script Unix Scripting Red Hat Enterprise Linux SUSE Linux Enterprise Server Linux
Zahnärztekasse AG
Zurich
1 Monat
2011-02 - 2011-02

Network tests: Multipathing, Bonding

Oracle DBA SUSE Linux Enterprise Server Oracle 11g Oracle RAC
Oracle DBA
  • Configuration multipathing for Storage-server connection using iSCSI, performance test, presenting LUN to database admin, HA various solution
  • Implementation bonding-solution for boost Interconnect speed between RAC-node, creating High-availability bonding 
  • Performance-test and finding maximum throughput in a multiple switch topology
  • Documenting of the results
SUSE Linux Enterprise Server Oracle 11g Oracle RAC
Opitz-Consulting
Krakau
2 Monate
2010-12 - 2011-01

Oracle Flash Cache

Oracle DBA PL/SQL Shell-Script Parametrisierung ...
Oracle DBA
  • Aligning Flash Modules for optimal performance 
  • Configuring Database Flash Cache, identifying ideal Oracle Database objects for Flash Storage and Accelerators with AWR or another tools 
  • Test Flash Card for redologs, temp tablespace, heavily used database tables and indexes or all database on flash for max performance 
  • Documenting of the results
PL/SQL Shell-Script Parametrisierung AWR Solaris 10 Oracle 11g Oracle SQL Developer Swingbench Quest Benchmark Factory
Opitz-Consulting
Krakau
1 Jahr 3 Monate
2007-01 - 2008-03

Customer Service

Help Desk Consultant
Help Desk Consultant
  • Customer Service
  • Supervising and administering remotely clients computers and servers
  • Creating electronic documentation
  • Administering of LAN/WAN environment
  • Remote maintenance
Telekomunikacja Polska SA, Krakow (Poland)

Aus- und Weiterbildung

Aus- und Weiterbildung

13 Jahre 11 Monate
2011-06 - heute

Course of English (upper intermediate)

Cracow School of Foreign Languages, Cracow (Poland)
Cracow School of Foreign Languages, Cracow (Poland)
14 Jahre 11 Monate
2010-06 - heute

Intensive course of German (upper intermediate)

Opitz-Consulting, Cracow (Poland)
Opitz-Consulting, Cracow (Poland)
1 Monat
2023-09 - 2023-09

Oracle Cloud Infrastructure 2023 Architect Professional

Certificate,
Certificate
1 Monat
2020-04 - 2020-04

various

Certificate,
Certificate
  • Oracle Autonomous Database Cloud 2019 Specialist
  • Oracle Cloud Infrastructure Foundations 2020 Associate
1 Monat
2017-11 - 2017-11

Introduction to SAP HANA (2 days)

Walldorf, Germany
Walldorf, Germany
1 Monat
2016-11 - 2016-11

OCM (Oracle Certified Master) 11g

Certificate,
Certificate
1 Monat
2013-02 - 2013-02

Oracle GoldenGate 10 Certified Implementation Specialist

Certificate,
Certificate
1 Monat
2013-01 - 2013-01

Oracle Exadata 11g Certified Implementation Specialist

Certificate,
Certificate
1 Monat
2011-09 - 2011-09

OCP (Oracle Certified Professional) Oracle 11g

Certificate,
Certificate
1 Monat
2011-01 - 2011-01

Install Server (cobbler)

OPITZ CONSULTING Schulungszentrum
OPITZ CONSULTING Schulungszentrum
2 Jahre 9 Monate
2007-10 - 2010-06

Study - Computer Science

Dip-Ing, Jagiellonian University (pol. Uniwersystet Jagiello?ski), Faculty of Physics, Astronomy and Applied Computer Science, Cracow (Poland)
Dip-Ing
Jagiellonian University (pol. Uniwersystet Jagiello?ski), Faculty of Physics, Astronomy and Applied Computer Science, Cracow (Poland)
Master Work: on request
3 Jahre 9 Monate
2003-10 - 2007-06

Study

Computer Science Engineer (Dipl.-Ing), The State School of Higher Professional Education In Elblag (pol. Pa?stwowa Wy?sza Szko?a Zawodowa w Elbl?gu), The Institute of Applied Informatics, Elbl?g (Poland)
Computer Science Engineer (Dipl.-Ing)
The State School of Higher Professional Education In Elblag (pol. Pa?stwowa Wy?sza Szko?a Zawodowa w Elbl?gu), The Institute of Applied Informatics, Elbl?g (Poland)
Diploma thesis: on request

Kompetenzen

Kompetenzen

Top-Skills

Oracle Datenbanken Administration Datensicherungskonzept DB-Tuning Oracle RAC Oracle Data Guard Cloud Azure Linux Backup-Systeme NFS SQL Architekt

Produkte / Standards / Erfahrungen / Methoden

PERSONAL SKILLS AND COMPETENCES
  • Ability of team working acquired in different conditions of education and working
  • Ability of integration with different cultures acquired during working in the USA, Canada and Germany
  • Practical problem-solving skills
  • Ability to learn fast
  • Self-disciplined

TECHNICAL PROFILE
  • Supported Oracle Versions: 9i/ 10g/ 11g/ 12c/ 19c (Oracle Certified Master)
  • Oracle 23c Beta Tester
  • Supported Operating Systems: Linux (OEL, RedHat, SuSE) (RedHat Certified System Administrator), Unix(Solaris, HPUX, IBM AIX), Windows
  • Supported Engineered Systems: Exadata from X4 till the latest X9 (Oracle Exadata Certified Implementation Specialists), ZFS Storage
  • Supported Middleware: GoldenGate 10/11 (Oracle GoldenGate 10 Certified Implementations Specialists)
    • Administration
      • day-to-day database administration(Single Instance, Real Application Cluster RAC, DataGuard DG), creating a backup strategy based on RMAN, installation and configuration of Databases according to Best Practices, patching and upgrades, troubleshooting, administration Linux based OS and networks, implementation of monitoring solutions(GridControl, Nagios, self-developed scripts)
    • Cloud Environment
      • Oracle Cloud Infrastructure (OCI), Microsoft Azure, design, capacity planning and implementation, licensing
    • Migration/ Upgrade/ Replication
      • planning of migration processes, migrations with DataGuard, DataPump Transportable Tablespaces or GoldenGate
    • Integration and Testing
      • network layer, (back end) databases, operating systems, volume managers, storage layer, implementation and testing using Oracle Real Application Testing (or other tools like Quest Benchmark Factory, Swingbench etc.)
    • Performance Tuning
      • performance problems solving spanning database and storage layer, Oracle instance and SQL tuning, Oracle optimizer considerations (CBO)
    • Architecture
      • ?design, testing and implementation of high availability (HA) solutions based on RAC, Data Guard and Oracle Virtual Machine OVM/ OLVM (KVM based)

Datenbanken

AWR Warehouse
Exadata Database
OEM 12c
Oracle 11g
Oracle Data Guard
Oracle RAC

Hardware

Exadata
ZFS

Branchen

Branchen

  • Banking
  • Versicherungen
  • Telekommunikation
  • Maschinenbau
  • Softwarehouse
  • Rechenzentrum
  • Öffentlicher Dienst
  • Mikrobiologie und Life Science

Einsatzorte

Einsatzorte

Frankfurt am Main (+500km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

7 Jahre 5 Monate
2017-12 - 2025-04

various

Oracle Consultant Oracle 11g/12c/19c (>1TB+/ >100+ databases) Linux RAC ...
Oracle Consultant
  • Microsoft Azure
    • Design/ Shape/ Capacity analysis including PoC
  • Microsoft Azure
    • Final implementation for migration from on-prem RAC to SI Data Guard environment
  • Performance Tuning/Troubleshooting for Crew Management Systems (pilots/ briefings)
  • Design and implementation of disaster recovery aware system based on RAC-Extended Cluster and DataGuard
  • OEM
    • Oracle Cloud Control OEM Maintenance: Installation + Upgrade of OEM 12.1.0.5 > 13.3 > 13.5
    • Creating agent golden image with new RU and security fixes for full-scale environment OEM agent upgrade
    • Developing custom metric extensions and reports
    • Full monitoring setup with Template Collection and Monitoring Templates (plus configuration of Incident Rules based on Target LifeCycle)
  • Upgrade of GI from 11.2.0.4=>12.1.0.2, 12.1.0.2=>18.4, 18.4=>19.6+
  • Upgrade of Databases from 11.2.0.2=>12.1.0.2, 12.1.0.2=>19.18+
  • Redesign and license optimization based on Oracle SE on ODA and DBVisit
  • Design of virtualized platform based on OLVM(Oracle Linux Virtualization Manager - KVM) and license optimization using hard partitioning. Migration of databases from BareMetal to OLVM
Oracle 11g/12c/19c (>1TB+/ >100+ databases) Linux RAC Data Guard
Airline Sector, Frankfurt am Main (Germany)
9 Jahre
2016-01 - 2024-12

Exadata SME for EMEA, Primary DBA for SEPA (Single Euro Payment Area Database)

DBA, Oracle Consultant Oracle 11g/12c/18c/19c (100TB+/ 10000+ databases) Linux/Solaris RAC ...
DBA, Oracle Consultant
  • Exadata Full Stack Patching including compute nodes, storage cells, Infiniband switches to recent versions
  • Exadata Maintenance, Storage reorganization on Cell/Grid/ASM level for production/ UAT/ Dev clusters
  • OCI Cloud: Architecture planning for migration to ExaCC (Exadata@Customer) biggest private cloud in Europe/World
  • OCI Cloud: Onboarding new virtualized Exadata (with and without node subsetting)
  • Consulting: Engineered Systems, RAC, Backup&Restore, Tuning, Capacity Planning
  • Migrations: using DataPump/Data Guard Standby switchover with minimal downtime, using TTS with endianness conversion and image copies on External Storage
  • Upgrades: Oracle Database from 11+ to 19c, GI Upgrades > 18 and 19c
  • Onboarding 4 Exadata X7-8 and 1x X7-8 Full Rack+ setup ZFS backup infrastructure for both DC for SEPA
  • Deep dive Performance Tuning/Troubleshooting for mission-critical OLTP/DWH databases (Exadata+ RAC+ DataGuard+ASM+ZFS) using AWR/ASH/snapper/OEM, 10046/10053 traces/ oradebug etc. and fixing via SQL Profiles/SQL Baselines/Hints and other methods
  • Consolidation of two projects on Full RACK X6-2 including initial reconfiguration of storage, patching to newest Exadata Image(18.1.4), GI upgrade to 18c and implementation of IORM based on application teams requirements. Endurance testing with SLOB(Project Treasury)
  • Project Technical Lead and Outage Escalation
  • Third-level support(Global Oracle)
  • Technical Lead for bank-wide 19c Certification Project (New Release of Oracle Database/ Grid software) and onboarding new Exadata in the bank
Oracle 11g/12c/18c/19c (100TB+/ 10000+ databases) Linux/Solaris RAC Data Guard X5/6/7/8/9 Exadata Multi-Rack
Banking Sector, Frankfurt am Main (Germany)
5 Monate
2015-08 - 2015-12

Monitoring Migration from IBM TEC to Oracle Cloud Control 12c

DBA, Oracle CloudControl Consultant Oracle 10g/11g/12c (5TB+ 2000+ databases) Linux ...
DBA, Oracle CloudControl Consultant
  • Monitoring Migration from IBM TEC to Oracle Cloud Control 12c
  • Building Monitoring Templates for databases, clusters, hosts, WebLogic and OIM targets
  • Building customer specific Metric Extensions(ME: Agent-Site and Repository-Site) to extend Oracle monitoring capabilities
  • Creating reports based on ME data and CloudControl target-metadata
  • Creating Incidents and Notification Rules
  • Monitoring of performance degradation over time with AWR Warehouse and Repository Metrics (buffer gets)
  • Automatic identification of database configuration issues like: high number of redolog switchs, logfile sizing, Undo issues in clusters, failover databases monitored by wrong agent
  • Rewriting shell scripts to OEM format
  • Creating documentation in Confluence
  • Troubleshooting, performance tuning(sql-,instance-, storage-level) test/ QS/ production DB
  • Integration HP BSM with OEM trough Connector
Oracle 10g/11g/12c (5TB+ 2000+ databases) Linux RAC Failover DB CloudControl IBM TEC (Tivoli Enterprise Console)
Volkswagen Financial Services AG, Brunswick (Germany)
2 Jahre 2 Monate
2013-06 - 2015-07

Validation of the backup/restore strategy

DBA, Oracle Consultant Oracle 11g/12c (2TB+) Linux/AIX/Windows RAC ...
DBA, Oracle Consultant
  • Validation of enterprise backup/restore strategy
  • Creating, implementing and installation of high available environment for mission critical OLTP databases (RAC+ DataGuard, including Client Failover)
  • Consulting and support in area: Real Application Testing, Engineered Systems like Exadata, ODA/OVCA, Automatic Degree of Parallelism
  • Creating company-wide procedure for installing and administration Oracle product according to Best Practices (orachk-tool)
  • Collecting prerequisite/ coordination/ realization of PoC: OVM as high available and consolidated platform (IaaS, DaaS) with new usage reporting model (Chargeback) and OVM-Integration with CloudControl for role-based separation
  • troubleshooting, performance tuning(sql-,instance-, storage-level) test/ QS/ production DB
  • data modeling with: RationalRose Model Integrator, MID Innovator, Embarcadero DB Change Manager and ER Studio DataArchitet
  • Third level support for the local team of Oracle DBAs
  • Technical project management
Oracle 11g/12c (2TB+) Linux/AIX/Windows RAC Data Guard Grid-/CloudControl Oracle VM
Datev eG, Nuremberg (Germany)
6 Monate
2014-09 - 2015-02

Consolidation of Oracle infrastructure on Oracle Virtual Compute Appliance OVCA

Oracle Consultant
Oracle Consultant
Collecting prerequisite/coordination/realization of Proof of Concept Designing of testing methodology and creating/performing numbers of test scenarios oriented on high availability Installation of Oracle Virtual Machine(OVM3.3) on 4 nodes Creating Repositories/Servers Pools Deploying Oracle Templates and creating own-templates with variety of Oracle releases/configurations Deploying Real Application Cluster on OVM with deploy-cluster scripts Integration the Oracle VM Manager into Oracle CloudControl Generating Load on databases and virtual machines Comparing usage reports thought Chargback Managing users for role-base separation within CloudControl
OVM 3.3 Oracle 11g Oracle 12c Oracle Data Guard Real Application Cluster Oracle CloudControl Oracle Enterprise Linux Oracle Chargback Oracle Virtual Compute Appliance
Nuernberg
2 Jahre
2011-06 - 2013-05

ProActive System Management

DBA, Oracle Consultant corporate systems based on Oracle 9i/10g/11g (10TB+) ASM Linux/ HP-UX/ AIX/Windows ...
DBA, Oracle Consultant
  • Day-to-day Oracle DBA tasks(ticket system)
  • Backup, restore and disaster recovery procedures
  • Regular clones of production system for development and testing purposes
  • Designing/ installation/ configuration/ adminitration/ troubleshooting of production and development Oracle based systems
  • Designing and implementing of high availability (HA) and replication concepts for Oracle based systems (with RAC, Data Guard/Standby Systems, Oracle GoldenGate)
  • Troubleshooting and Performance Tuning, solving performance problems in the enterprise multi-tier environment (rdbms-storage level) using STATSPACK/ AWR/ Snapper, supporting Oracle developers
  • Engineering and documenting new solutions based on the Oracle newest technologies (Project Exadata/Flash Cache/Cards)
  • DB patches regression tests and installation
  • Technical project management
  • Third level support for the local team of Oracle DBAs and coaching new DBAs
corporate systems based on Oracle 9i/10g/11g (10TB+) ASM Linux/ HP-UX/ AIX/Windows RAC Data Guard GridControl E-Business Suite Weblogic Oracle VM
OPITZ CONSULTING, Cracow (Poland)
1 Jahr 4 Monate
2010-06 - 2011-09

Daily Oracle administration ? Remote-DBA PASM

Oracle DBA
Oracle DBA
Remote Administration on a daily basis for various customers on the production systems, Oracle versions 9i to 11g Release 2 Responsible for managing, troubleshooting, optimizing efficiency and high availability of Oracle databases ensuring regular backup and restore developing, implementing and managing security Performance Tuning(AWR, Statspack, SQL Trace, set event 10046, 10053) Data Guard (Primary + physical standby) installation and configuration Installation and configuration of test environment
Oracle 9i Oracle 10g Oracle 11g Oracle RAC Oracle Data Guard Oracle ASM Oracle Weblogic Oracle E-Business Suite Oracle Real Application Testing AWR Oracle Grid Control Oracle Cloud Control RedHat OEL SUSE Linux Enterprise Server Solaris 10 IBM AIX 5.3 HP-UX Oracle Virtual Machine VMware ESX
Itenos, Kabel Deutschland, Synlab, Toshiba, Marquard&Bahls
Cracow PL / Neuss DE / Gummersbach DE
3 Monate
2011-06 - 2011-08

Oracle GoldenGate ZeroDowntime cross-platform migration

Oracle Consultant
Oracle Consultant
- Monitoring GoldenGate environment, installation and configuration, performing initial data load, configuring the Manager process and Data Pump process - Configuring online change synchronization and DDL-support synchronization, filtering and mapping data for ZeroDowntime cross-platform migration - Carrying out of the tests - Documenting of the results
Oracle 10g Oracle SQL Developer Oracle GoldenGate Oracle 11g Oracle Enterprise Linux SUSE Linux Enterprise Server
Opitz-Consulting
Krakau
1 Jahr 1 Monat
2010-06 - 2011-06

Service Engineering

Junior DBA, Junior Consultant Oracle 10q/11g ASM Linux 10 ...
Junior DBA, Junior Consultant
  • Day-to-day Oracle DBA tasks
  • Backup and recovery (with RMAN)
  • Maintenance and documentation tasks
  • Installation/ configuration/ administration/ troubleshooting of production and development Oracle databases/ GridControl environments
  • Installation and configuration of small prod/test RAC/Data Guard environments
  • Administering of LAN/WAN environment
  • Translating German documentation
Oracle 10q/11g ASM Linux 10 RAC Data Guard Unix systems
OPITZ CONSULTING, Cracow (Poland)
3 Monate
2011-03 - 2011-05

OCINS Install Server (Cobbler)

Consultant Shell-Script Unix Scripting Red Hat Enterprise Linux ...
Consultant
  • Configuration Linux installation server for rapid setup of network installation environments and creating environment for automatic Oracle installation during system boot for HA purpose Creating central server with system-repositories
  • Cobbler installation and configuration 
  • Test and implementation, managing Redhat, OEL and Suse scripts, snippets and distros 
  • Configuration DHCP server for PXE-bootoption 
  • Documenting of the results
Shell-Script Unix Scripting Red Hat Enterprise Linux SUSE Linux Enterprise Server Linux
Zahnärztekasse AG
Zurich
1 Monat
2011-02 - 2011-02

Network tests: Multipathing, Bonding

Oracle DBA SUSE Linux Enterprise Server Oracle 11g Oracle RAC
Oracle DBA
  • Configuration multipathing for Storage-server connection using iSCSI, performance test, presenting LUN to database admin, HA various solution
  • Implementation bonding-solution for boost Interconnect speed between RAC-node, creating High-availability bonding 
  • Performance-test and finding maximum throughput in a multiple switch topology
  • Documenting of the results
SUSE Linux Enterprise Server Oracle 11g Oracle RAC
Opitz-Consulting
Krakau
2 Monate
2010-12 - 2011-01

Oracle Flash Cache

Oracle DBA PL/SQL Shell-Script Parametrisierung ...
Oracle DBA
  • Aligning Flash Modules for optimal performance 
  • Configuring Database Flash Cache, identifying ideal Oracle Database objects for Flash Storage and Accelerators with AWR or another tools 
  • Test Flash Card for redologs, temp tablespace, heavily used database tables and indexes or all database on flash for max performance 
  • Documenting of the results
PL/SQL Shell-Script Parametrisierung AWR Solaris 10 Oracle 11g Oracle SQL Developer Swingbench Quest Benchmark Factory
Opitz-Consulting
Krakau
1 Jahr 3 Monate
2007-01 - 2008-03

Customer Service

Help Desk Consultant
Help Desk Consultant
  • Customer Service
  • Supervising and administering remotely clients computers and servers
  • Creating electronic documentation
  • Administering of LAN/WAN environment
  • Remote maintenance
Telekomunikacja Polska SA, Krakow (Poland)

Aus- und Weiterbildung

Aus- und Weiterbildung

13 Jahre 11 Monate
2011-06 - heute

Course of English (upper intermediate)

Cracow School of Foreign Languages, Cracow (Poland)
Cracow School of Foreign Languages, Cracow (Poland)
14 Jahre 11 Monate
2010-06 - heute

Intensive course of German (upper intermediate)

Opitz-Consulting, Cracow (Poland)
Opitz-Consulting, Cracow (Poland)
1 Monat
2023-09 - 2023-09

Oracle Cloud Infrastructure 2023 Architect Professional

Certificate,
Certificate
1 Monat
2020-04 - 2020-04

various

Certificate,
Certificate
  • Oracle Autonomous Database Cloud 2019 Specialist
  • Oracle Cloud Infrastructure Foundations 2020 Associate
1 Monat
2017-11 - 2017-11

Introduction to SAP HANA (2 days)

Walldorf, Germany
Walldorf, Germany
1 Monat
2016-11 - 2016-11

OCM (Oracle Certified Master) 11g

Certificate,
Certificate
1 Monat
2013-02 - 2013-02

Oracle GoldenGate 10 Certified Implementation Specialist

Certificate,
Certificate
1 Monat
2013-01 - 2013-01

Oracle Exadata 11g Certified Implementation Specialist

Certificate,
Certificate
1 Monat
2011-09 - 2011-09

OCP (Oracle Certified Professional) Oracle 11g

Certificate,
Certificate
1 Monat
2011-01 - 2011-01

Install Server (cobbler)

OPITZ CONSULTING Schulungszentrum
OPITZ CONSULTING Schulungszentrum
2 Jahre 9 Monate
2007-10 - 2010-06

Study - Computer Science

Dip-Ing, Jagiellonian University (pol. Uniwersystet Jagiello?ski), Faculty of Physics, Astronomy and Applied Computer Science, Cracow (Poland)
Dip-Ing
Jagiellonian University (pol. Uniwersystet Jagiello?ski), Faculty of Physics, Astronomy and Applied Computer Science, Cracow (Poland)
Master Work: on request
3 Jahre 9 Monate
2003-10 - 2007-06

Study

Computer Science Engineer (Dipl.-Ing), The State School of Higher Professional Education In Elblag (pol. Pa?stwowa Wy?sza Szko?a Zawodowa w Elbl?gu), The Institute of Applied Informatics, Elbl?g (Poland)
Computer Science Engineer (Dipl.-Ing)
The State School of Higher Professional Education In Elblag (pol. Pa?stwowa Wy?sza Szko?a Zawodowa w Elbl?gu), The Institute of Applied Informatics, Elbl?g (Poland)
Diploma thesis: on request

Kompetenzen

Kompetenzen

Top-Skills

Oracle Datenbanken Administration Datensicherungskonzept DB-Tuning Oracle RAC Oracle Data Guard Cloud Azure Linux Backup-Systeme NFS SQL Architekt

Produkte / Standards / Erfahrungen / Methoden

PERSONAL SKILLS AND COMPETENCES
  • Ability of team working acquired in different conditions of education and working
  • Ability of integration with different cultures acquired during working in the USA, Canada and Germany
  • Practical problem-solving skills
  • Ability to learn fast
  • Self-disciplined

TECHNICAL PROFILE
  • Supported Oracle Versions: 9i/ 10g/ 11g/ 12c/ 19c (Oracle Certified Master)
  • Oracle 23c Beta Tester
  • Supported Operating Systems: Linux (OEL, RedHat, SuSE) (RedHat Certified System Administrator), Unix(Solaris, HPUX, IBM AIX), Windows
  • Supported Engineered Systems: Exadata from X4 till the latest X9 (Oracle Exadata Certified Implementation Specialists), ZFS Storage
  • Supported Middleware: GoldenGate 10/11 (Oracle GoldenGate 10 Certified Implementations Specialists)
    • Administration
      • day-to-day database administration(Single Instance, Real Application Cluster RAC, DataGuard DG), creating a backup strategy based on RMAN, installation and configuration of Databases according to Best Practices, patching and upgrades, troubleshooting, administration Linux based OS and networks, implementation of monitoring solutions(GridControl, Nagios, self-developed scripts)
    • Cloud Environment
      • Oracle Cloud Infrastructure (OCI), Microsoft Azure, design, capacity planning and implementation, licensing
    • Migration/ Upgrade/ Replication
      • planning of migration processes, migrations with DataGuard, DataPump Transportable Tablespaces or GoldenGate
    • Integration and Testing
      • network layer, (back end) databases, operating systems, volume managers, storage layer, implementation and testing using Oracle Real Application Testing (or other tools like Quest Benchmark Factory, Swingbench etc.)
    • Performance Tuning
      • performance problems solving spanning database and storage layer, Oracle instance and SQL tuning, Oracle optimizer considerations (CBO)
    • Architecture
      • ?design, testing and implementation of high availability (HA) solutions based on RAC, Data Guard and Oracle Virtual Machine OVM/ OLVM (KVM based)

Datenbanken

AWR Warehouse
Exadata Database
OEM 12c
Oracle 11g
Oracle Data Guard
Oracle RAC

Hardware

Exadata
ZFS

Branchen

Branchen

  • Banking
  • Versicherungen
  • Telekommunikation
  • Maschinenbau
  • Softwarehouse
  • Rechenzentrum
  • Öffentlicher Dienst
  • Mikrobiologie und Life Science

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