Ivan Tomasevich Email & Phone Number

Stockholm, Stockholm County, Sweden

Stockholm, Sweden

Application Specialist at H&M- Work towards different BI Tool Vendors- Advising on best practices configuration and recommendations to avoid common pitfalls and challenges.- Improve the application operation tasks- Cognos /IBM Netezza / Informatica data warehouse solutions.- Microsoft Windows Server 20XX Troubleshooting- Incident Process and Change process (ITIL)- SQL- Linux -Tableau-SAS-Cloud Computing Migrations from On Prem systems to Azure

The Hague Area, Netherlands

QA and Test of Fraud Management System, High Usage and Data Retention.Quality assure and Testing of SAS developed readers. Creation and execution of test plan.Test Cases design and execution.

Stockholm, Sweden

• LTW training to Entel’s partner CSG in Brazil.• Leading or assisting with a wide range of projects for Lavastorm Technologies. LAE, LTW, LRC installation, customizations on Linux and Oracle databases. • KPN Holland (2013 - 2014): Creating and synchronizing the development, acceptance and integration environments for the Revenue Assurance Solution at KPN (mobile and fix platform) with production environments. (Oracle and Linux synchronizations) test and quality assurance the… Show more • LTW training to Entel’s partner CSG in Brazil.• Leading or assisting with a wide range of projects for Lavastorm Technologies. LAE, LTW, LRC installation, customizations on Linux and Oracle databases. • KPN Holland (2013 - 2014): Creating and synchronizing the development, acceptance and integration environments for the Revenue Assurance Solution at KPN (mobile and fix platform) with production environments. (Oracle and Linux synchronizations) test and quality assurance the environment against production.• Vodafone Greece (2011): Assisting upgrade project of Fraud and RA system; System synchronization of testing and Quality Assurance environments from production; adjusting new batches to new functionality as well as testing and documentation. • MTN Nigeria (2010): Responsible for the test, QA and implementation for the LTW Quick Search solution for MTN that moves automatically oracle data partitions to a quick search database. Knowledge transfer and user training of the new functionality. Responsible for creating Test environments and Quality assurance processes for testing (user acceptance testing). Show less

Stockholm, Sweden

• System integration, testing and release quality assurance of Lavastorm LTW (Lavastorm Transaction Warehouse) software version 2.3 until 3.4.8, performed on environments synchronized with production. • Technical backup and support for the upgrade of Vodafone Greece LTW production system to LRC 2.3 release (Lavastorm Resolution Center). Patch and hotfix testing on test environments before delivery to production.• System testing and release quality assurance of Lavastorm LRC… Show more • System integration, testing and release quality assurance of Lavastorm LTW (Lavastorm Transaction Warehouse) software version 2.3 until 3.4.8, performed on environments synchronized with production. • Technical backup and support for the upgrade of Vodafone Greece LTW production system to LRC 2.3 release (Lavastorm Resolution Center). Patch and hotfix testing on test environments before delivery to production.• System testing and release quality assurance of Lavastorm LRC (Lavastorm Resolution Center) version 2.3 until 3.4.8. Technical backup and support for Latvia mobile operator LMT. Installation of the software for the row data processing host commonly called “reader hosts” (used technologies: Linux 6.5, SAS 9.3, LRC 2.2.1), Oracle database host (LRC 2.2.1).• Test and QA of LTW, LRC, LAE upgrade packages and hotfixes on dev environments before delivering to production environments. Technical account managing and Support of existing customers (KPN Holland, KDG Germany, Vodafone Greece, MTN Nigeria, Telia Denmark, Telia Sonera Sweden, LMT Latvia, Play Poland, Entel Chile, Sotelma Mali). • Implementation, quality assurance and technical assistance for Chilean operator Entel Chile; assisting Entel’s partner CSG. • QA. Test Plans creation, Test Specification, Test Cases, Test Scripts and Test Data; Test automation. Show less

Stockholm, Sweden

• International Court of Justice (The Hague Tribunal). Lavastorm was selected to mediate between two operators. Using LTW to read row data that operators in conflict provided in backup tapes using MSSQL server as data storage then moving the data into Oracle database, process the information and create reports.• LTW Prove of concept at BT (British Telecom).• Mobistar Belgium, LTW implementation assistance and tuning the recently installed RA system.• Play Warsaw, Poland.… Show more • International Court of Justice (The Hague Tribunal). Lavastorm was selected to mediate between two operators. Using LTW to read row data that operators in conflict provided in backup tapes using MSSQL server as data storage then moving the data into Oracle database, process the information and create reports.• LTW Prove of concept at BT (British Telecom).• Mobistar Belgium, LTW implementation assistance and tuning the recently installed RA system.• Play Warsaw, Poland. managing installation of Revenue Assurance system and Interconnect system; setting up, administering and maintaining system using multi-host architecture, setting up test and development instances. (Oracle, Linux, Solaris installations).• LTW product QA, function testing, module testing, system testing. Show less

Stockholm, Sweden

• Mobile One Singapore (2004-2005): Phase I, managing installation of Revenue Assurance system; setting up, administering and maintaining system using multi-host architecture (oracle HPUX); implementing file system layout for processing node and database server; installing and patching Oracle 9i on HP; managing performance, integration with JP1 (Hitachi’s monitoring tool).Tuning operations at database and operating system level; managing index creation and redistribution of table spaces;… Show more • Mobile One Singapore (2004-2005): Phase I, managing installation of Revenue Assurance system; setting up, administering and maintaining system using multi-host architecture (oracle HPUX); implementing file system layout for processing node and database server; installing and patching Oracle 9i on HP; managing performance, integration with JP1 (Hitachi’s monitoring tool).Tuning operations at database and operating system level; managing index creation and redistribution of table spaces; providing hands-on training; creating and maintaining test systems; applying patches and documentation of procedures.• Vodafone Greece (2003-2004): Assisting the installation of Revenue Assurance System and Fraud detection; implementing setup and installation of readers for data processing, tuning of system; Providing expertise and technical resource on site; leading integration, testing and deployment of deliveries.• Vodacom Tanzania (2003): managing system upgrade; planning preparation of duties and strategies; managing backup of source environment and setting up target system and test environment; copying database and providing documentation and monitoring during stability period.• Tanzania TTCL Tanzania (2003) Providing effective hands-on support and leading solution implementation; providing training; installing interconnect management tool; monitoring system performance and refining kernel parameters to achieve best performance.• Telia Mobile Sweden, Telia Denmark (2003):QA, testing and support functions. Test Plans creation, Test Specification, Test Cases, Test Scripts and Test Data; test automation. • Com Hem Sweden. LTW installation and configuration.• LAE technical support (Lavastorm Analytics Engine is a platform that covers the spectrum of tasks required to connect, merge, shape, prepare, analyze and deliver enterprise data to the business). Show less

Stockholm, Sweden

Test and QA lead.