Sofia Mantellou

Experience

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  Chapter 5 Ltd

  Aug 2013 - Feb 2014

  Promoter
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  High School Students

  Feb 2014 - May 2017

  Private Tutor

  Teaching Physics and Mathematics to students of all grades

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  Vodafone

  May 2017 - Apr 2024

  Rotating in different teams and roles within organization as part of a 2-year graduate program, named Discover:• 6 months as a member of Civil works and Fiber Optics team with the below main responsibilities: o Performing detailed Fiber Optic Feasibility studies for Presales within given SLAs o Data recording and reporting in Fiber Optic Management System (leased lines, relocations, FTTC, FTTH)• 6 months as a member of product management team in Enterprise Business Unit having below key accountabilities: o The preparation for FTTH commercial launch, through successfully coordinating the FTTH pilot project o Creating product documentation aiming to benefit cost saving Initiatives• 1 year as a member in Voice Core Engineering Delivery Unit (cluster of Greece, Albania, Czech Republic) under Group Network Engineering & Delivery division, assigned with the below: o Act as Engineering Delivery Manager for Interconnection projects, including: technical coordination, preparation of necessary configuration, performing acceptance o Act as Technical Leader for a variety of engineering or peripheral projects, supporting changes in both fixed and mobile CS domain o Handling the BAU activities efficiently and effectively Show less

  • Voice Core Network Engineer

    May 2019 - Apr 2024

  • Graduate Trainee at the Discover Program

    May 2017 - Apr 2019
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  OTE Group of Companies (HTO)

  Apr 2024 - now

  Project Manager