Mateusz Koss

• Oracle 8i,9i and 10G Administration on Linux, Solaris and Unix (AIX) OS including Toad and Spotlight Software, Oracle EM, Oracle Designer, Oracle Warehouse Builder
• Database installation, migration and tuning
• PL/SQL and SQL tuning
• Designing ETL flows using Business Objects Data Integrator (BODI) and IBM Websphere DataStage
• Reviewing JAVA code using embedded SQL and PL/SQL
• Consulting Nokia and Nokia – Simens Networks for Oracle Warehouse Solutions for Telecom customers i.e. Vodafone
• Solving production and developments’ environments issues and problems
• Taking part in Oracle 11g Beta testing program

* Maintain consistency within and between databases
* Advise reporting teams around data modeling
* Refine logical designs into technical designs
* Implement technical designs into database structures
* Develop and maintain standards and guidelines
* System Administration - ensure that storage, archiving, backup and recovery procedures work correctly
* Manage 3rd Party delivery of data sources
* Create and optimize ad hoc queries
* Monitor and tune performance of the databases
* Install new applications
* Advise senior management on current and future technologies.

• Oracle 9i and 10G Administration on HP-UX OS
• Capacity and Security Management
• Developing recovery strategies – backups, data migrations, DB cloning
• Developing Tools for applications performance
• Handling Oracle production issues and incidents
• Developing PL/SQL applications
• Working with Atomic Data Warehouse (ADW) – Oracle 10g on Real Application Cluster (RAC)
• Develop WWW services (Ruby) for warehouse purposes

• Working with third level support (software engineers) for software development
• Configuring and Administration of Alarm Monitoring System (AMS)
• Administration of Windows Server based Nortel Networks Symposium Call Center Server ((Problem and Project Management))
• Administration of IT infrastructure – servers and databases (Problem and Project Management)

• Nortel Networks PBX administration - incident and problem management (BLT and OVSD tools)
• Connectivity and security Management - Linux based OS devices (Sentinel & DataTrackers)
• Contribute to creation of Knowledge Database according to ITIL system
• Working with outside companies to solve incidents or process the projects – Deutche Telecom, Nextira One, Equant, Eclipse

• Creating and Designing tools for social research (Excel, SPSS, SAS)
• Creating and Administration of Databases (Excel, SPSS, MsSQL) for research issues
• Managing reports for presentation purposes according to MySQL queries (TP.SA ISDN project)
• Implemented training course for new employees

• Administration and Maintenance of Linux and Windows Servers
• MySQL, MSSQL Database administration
• HTML ,Perl and PHP coding