Konstantinos Roumpeas

Experience

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  Version Computer Store

  Jul 2016 - Aug 2016

  Computer Engineer

  • Assisting in the implementation of software and hardware applications for customers.• Maintained and repaired computers.• Planned and scheduled delivery deadlines for products and services.

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  Greek Army

  Sept 2018 - Sept 2019

  Human Resources Manager

  • Supervising 150 conscripts.• Organizing the daily schedules of the battalion.• Utilizing upgraded multiple Microsoft Excel programmes with diverse functions to facilitate the battalion’s everyday schedules.

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  WIND Hellas

  Dec 2019 - Jan 2021

  • Participate and lead project implementations, as well as new services and platform introductions related with Voice Core & IMS Network.• Analyze, troubleshoot and resolve/escalate problems concerning customer complains as part of 2nd and 3rd level support process.• Coordinate with Vendors the proper handling of Trouble reports within SLAs, for any issue/problem occurs.• Create and maintain documentation for day2day operation and maintenance as well as Project related activities.• Implement changes /upgrades through change management process in all Core & IMS Network elements, ensuring minimal risks regarding the service to the end-customer.• Participate on the Technology lifecycle process for Voice network systems.• Lead the 5G terminals certification process including performance verification in close cooperation with Radio teams.• Communicate and cooperate with 3rd parties / suppliers with Radio teams.• Track & Execute debug on failures to collect diagnostic data, determine root cause to drive corrective actions. Show less • Mobile network supervision and operation.• Implementation of projects, activation of services and integration in production of equipment according to the procedures of the design departments.• Communication with other departments for project design and implementation.• Communication with suppliers for design issues and problem solving.• Investigation and solution of mobile network problems.• Solve customer problems and interfaces.• VoLTE certification leader of mobile terminals. Show less

  • Voice Services & Terminals Junior Engineer

    Nov 2020 - Jan 2021

  • Mobile Voice Junior Engineer

    Dec 2019 - Oct 2020
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  Nokia

  Sept 2022 - now

  R&D Stress Test & DevOps Engineer

  • Design, implement and execute integration, verification, and automation test strategies for theNOKIA’s SGSN/MME/AMF product (CMM) ensuring delivery of high-quality product releases.• Support the implementation of changes to testbed topologies in order to support the successful testing of product features and accurately reflect customer deployment profiles required to bringtelecom products to the market.• Utilize existing or will need to create new tools, techniques and strategies in order to verify thefunctionality of the newly introduced product features.• Develop test scripts in Robot / Python languages as a means of testing against the productrequirements.• Automate and maintain tests scripts utilizing the already established Robot automation testframework.• Cooperate with technical experts to achieve the committed objectives. Show less