Roman Riška

ICT Billing špecialista at SWAN Mobile (4ka)
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Contact Information
us****@****om
(386) 825-5501
Location
Slovakia, SK

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Experience

  • SWAN, a.s. (4ka)
    • Slovakia
    • Telecommunications
    • 1 - 100 Employee
    • ICT Billing špecialista
      • Nov 2020 - Present

  • Slovak Telekom
    • Slovakia
    • Telecommunications
    • 700 & Above Employee
    • IT Billing System Advisor
      • Jul 2010 - Nov 2020

      • IS administration: BSCS - Mobile postpaid billing and control system, VPN Organizer - Intelligent Network system, InstantLink - provissioning system • Negotiations and collaborations with external and internal partners • testing, development, deployment, implementation of new versions of the application, new services • Data Analysis - analyzes, security audits, specific data reports • Data Cleansing development of scripts for searching, cleaning, deleting incorrect data • Data Migration - analysis, selection, preparation, transformation of data into other information systems Show less

  • T-Mobile
    • United States
    • Telecommunications
    • 700 & Above Employee
    • IT Senior Specialist
      • May 2005 - Jul 2010

  • eurotel
    • Germany
    • Telecommunications
    • 1 - 100 Employee
    • IT specialista
      • Feb 1997 - May 2005

Education

  • Slovenská technická univerzita v Bratislave
    Computer and Information Sciences, General
    1990 - 1995

Community

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