Wojciech Korzenny

- Installation, configuration and administration virtual containers for test and development environments (OpenVZ/Parallel Virtuozzo);
- Migration containers between Parallel Virtuozzo and OpenVZ, backups and restoring;
- Ensuring successful and periodical database backups, restoration (RMAN, DataPump, exp/imp, bash/perl);
- Installation and administration of QA and Development environments (Linux - CentOS/Red Hat 5.x, 6.x, Oracle - 10g/11g);
- ElasticSearch, RabbitMQ – installation, configuration, configuration issues resolving, performance tests in different environments (virtualizations - VMWare, OpenVZ, clusters);
- Creation and maintenance of Installation Guide for Billing System Suite product including installation and configuration Oracle and operation system components;

- Maintenance of QA and Development environment (Oracle 10g/11g, Linux - CentOS/Red Hat 5.x, new application releases);
- Administration and monitoring server and Oracle instances during tests on customer's environment (Oracle Flashback, bash/awk);
- Testing M2M platform, technical support during trainings for customer, maintaining testing environments, implementation of backup application automation;
- Servers Virtualization (Red Hat/XEN);
- Comparison test tool implementation (Oracle 10g/11g - PL/SQL);

- Testing rating modules of Comarch Billing System;
- Test cases automation (bash, PL/SQL);
- Databases administration in QA environment (Oracle 10.2.x.x);