Data Core Engineer
Athens, GR
πριν από 6 μέρες

Role purpose :

To carry out activities for Mobile Data Core network and DPI operation, maintenance and support. These activities includes new technologies and products evaluation, testing, implementation, administration, proactive control, technical support, corrective maintenance, customer ticket handling, communication with vendors, technical escalations, emergency handling, incident and problem management, software and hardware management, change management, performance management and troubleshooting of Mobile Data Core network systems covering all current and future technologies.

The role exists to guarantee the stability and uninterrupted operation of the Data Core network systems, applications and services, maintain and improve the high level of service offered to customers, at a minimum cost, and contribute to company profitability and growth.

Engineer in the role will participate in a standby scheme providing network and services support 24x7 and work out of working hours to perform several activities from the ones described above.

Key accountabilities and decision ownership :

  • Delivery of 2nd level technical support, preventive and corrective maintenance for the optimal and smooth operation of the Data Core network.
  • Root cause analysis and documentation of complex incidents. Apply fault-finding techniques and preventive maintenance instructions.
  • Planning, assessment and implementation of change requests. Execute s / w and h / w upgrade activities.
  • Perform periodic network health checks, network backups, network KPI evaluation and other maintenance activities.
  • Define and embed consistent operational processes to support on-going support activities, driving improvements where issues are identified.
  • Perform the administration and maintenance, assist in monitoring of Data Core network systems and ensure their effective operation and optimum performance.
  • Prepare trouble reports to the suppliers, as well as produce and communicate service quality data for the service offered by the equipment suppliers.
  • Perform configuration management activities and subsequent testing activities to verify network and services proper operation.
  • Assist in the introduction, testing and verification of new Data Core network system, functionality and service into the network.
  • Core competencies, knowledge :

  • Very good knowledge of DNS protocols and service, in Fixed and Mobile domain.
  • Good knowledge in Data Core network systems (MME, SGW / PGW, MSP, SecureNet, DPI (TMF, PCRF), VoLTE / VoWiFi (AAA, WMG, SAPC) etc).
  • A logical approach to problem solving and self-motivation are important qualifiers.
  • Ability to work on a 24x7x365 stand by schema.
  • Very good interpersonal skills in order to handle effectively the communication across technical and commercial teams and mainly with customers’ representatives.
  • Must have technical / professional qualifications and Experience :

  • A bachelor’s degree or equivalent in Telecommunications, Electronic Engineering, Physics or Computer Science
  • Two (2) years of experience in telecommunications or Computer Systems
  • Very good knowledge of English language (fluent oral and written)
  • Very good knowledge of PC - Windows / software packages (Word, Excel, PowerPoint etc.)
  • Αναφορά αυτής της εργασίας

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