Dimitris Kefalas

Experience

• 

  KORELKO

  Feb 1994 - Oct 1995

  Systems/Network Administrator, Professor assistant

  Responsible for installation, maintenance and support of networks, servers, business and lab computers.Professor assistant in school's technical labs.

• 

  Philips Hellas S.A. - Business Communications

  Oct 1995 - Oct 2005

  Customer Engineer

  Execution and delivery of specific projects.Provision of technical support to customers who own Philips telecommunication systems and applications.Problem analysis and solving.Presales analysis and solution proposal.In house training of new customer engineers.End user training.

• 

  NEC Hellas S.A. - Unified Solutions

  Oct 2005 - Dec 2013

  Service Manager

  Supervision of technical team.Plan, execution and delivery of specific projects.Sell, supervise and maintain service contracts.Report, forecast and balance the technical team's budget.Evaluate technical team, identify strengths, problem areas, and develop plans for improving performance.Evaluate, interview candidates for technical positions.Provision of technical support to partners and channels.Provision of technical support to customers who own NEC/Philips telecommunication systems and applications.Problem analysis and solving.Presales analysis and solution proposal.In house training of new customer engineers.Organize and conduct specialized technical trainings to partners’ customer engineers.End user training. Show less

• 

  OTE Group of Companies (HTO)

  Jan 2014 - now

  Participate in the presales phase as a consultant to the technical team that prepares the offers regarding the design of the solution provided so that an optimal and comprehensive proposal is presented to the customer. Finalize the designing of the solution according to the customer requirements, check the list of materials, point out any changes and commit to the timetable of works, so that every project is completed on time and correctly. Conduct studies related to the project and configures the supplied equipment for the proper and timely implementation of the project.Provide technical support 24 hours a day to ensure the smooth operation of customer service. Technical Director in complex customer projects, assessing the overall technical solution provided, in order to coordinate the relevant business functions for solving technical implementation problems. Represent the Company and participate in the Steering Committee of the project together with the relevant Project Manager and representatives of the client, in order to inform about the progress of the work, the timetable and resolve issues affecting the smooth progress of the project. Prepare deliverables, technical progress reports and installation equipment while guiding relevant business functions or third parties in order to implement the project according to the agreed specification and schedule. Evaluate and approve third parties (subcontractors) deliverables in the framework of the project, in order to accept or not their work. Evaluate the result, make suggestions and participates in corrective action, where necessary, so that the service meets the customer's requirements. Show less

  • Section Manager

    Oct 2023 - now

  • Senior B2B ICT Network Engineer

    Jan 2014 - Nov 2023