Fixed Core & IMS Operations Engineer

Athens, Attica, Greece · CFAS · CFAS 002 expand job description ↓


In WIND, we believe in a world of connection, interaction and sharing!

Our passion is that people enrich their lives with all that communications technology makes possible.

We want our Customers to focus only on expressing themselves, while we take care of the technology that enables them.

So, if you want to take part in changing how people experience their lives, WIND is the right place to be.

Start today, as a Fixed Core & IMS Operations Engineer and drive our growth and our customers’ experience, by analyzing data and putting forward business proposals.

Main Tasks:

  • Perform preventive and corrective maintenance activities ensuring through them the effective operation of Core & IMS network.
  • Implement changes /upgrades through change management process in all Core & IMS Network elements, ensuring minimal risks regarding the service to the end-customer.
  • Participate in audits, and Proof of concept of core equipment upon business need.
  • Participate in project implementation, services and platform testing related with Core & IMS Network.
  • Analyze, troubleshoot and resolve/escalate problems concerning customer complains related with Core & IMS network.
  • Co-ordinate with Vendors the proper handling of TRs (Trouble reports) within SLAs, for any issue/problem occurs and related with Core & IMS Network.
  • Create and maintain documentation for day2day operation and maintenance activities.
  • Engineer in the role will participate in standby scheme providing 2nd level support to relevant systems/platforms in 24x7 basis. Ensure the continuity of systems’ operations in case of emergency incidents, provide accurate and on time resolution, with contribution of vendor as appropriate and readiness to intervene on site for s/w and h/w problems.


  • University degree related with Telecommunications, IT or similar technical fields.
  • Good understandings of IMS architecture Interfaces and SIP protocol.
  • Experience in working with Ericsson IMS Nodes is strongly preferred.
  • Fundamental knowledge of IP technology, mobile (LTE) and fixed network architecture.
  • Able to analyze problems and conduct effective fault diagnosis and system recovery.
  • Excellent communication, writing and team building skills. Professional approach to responsibilities – ability to take ownership.
  • Team player skills, cooperation and work under pressure capabilities are required
  • Excellent inter-personal and communications skills.
  • Strong written and oral communication skills in English.
  • Be driven by team spirit.
  • Be compliant with information security requirements, driven by company policies.

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