Core Network Performance Engineer
Athens, Attica, Greece
πριν από 1 μέρα


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 Core Network Performance Engineer and drive our growth and our customers’ experience, by developing innovative techniques for using digital media to market products and services.

Main Tasks :

  • Analyze & report the core network performance & quality, via the monitoring & maintenance of the set Key Performance / Quality Indicators (KPI / KQI) in order to identify performance degradation & assist in the fault management tasks
  • Analyze new technologies and define WH requirements towards other Vendors
  • Troubleshoot complex problems within the Evolved Packet Core (EPC) node elements such as SGSN, GGSN
  • Monitoring the system’s performance and finding ways to make improvements or mitigate potential problems.
  • Resolving service-impacting issues
  • Investigate & propose new measurements for new aspects of the core network quality.
  • Interact with all involved parties (within company, or external vendors), regarding Core Network Quality.
  • Prepare, post-process & analyze the various reports regarding the Core Network Performance & Quality (either standard, or ad-hoc, seasonal, network expansion - modification, special cases etc.).
  • Provide feedback from quality point of view for network element interruptions / upgrades schedule.
  • Identify & analyze the operational / technical constraints.
  • Evaluate new and existing technology options that support business goals
  • Work with the Operational & Engineering Teams on assessing the performance and capacity of the platform and recommend corrective actions to resolve any identified degradation.
  • Work with Capacity Planning team on the capacity forecast for the related nodes and plan necessary expansion or optimization to ensure uncompromised provisioning and network performance
  • Requirements

  • MSc Degree in Electrical Engineering
  • Strong experience in EPC / IMS network & architecture, interfaces and dependencies between network components. Aware of current and new technology benefits and related 3GPP specs.
  • Solid understanding of the TCP / IP protocol suite, TCP / IP (IPv4 and IPv6) algorithms
  • Knowledge in SS7 and SIP Signaling
  • Experience with system optimization, and performance KPIs
  • Ability to analyze call traces, identify protocols and troubleshoot complex problems as well to differentiate and diagnose RAN, EPC, and IMS CORE related problems.
  • Experience with the implementation of the Ericsson EPC & IMS network is a huge plus
  • 5+ years’ experience in similar position. Preferable in service provider / operator or vendor
  • Excellent command of MS Excel / MS Access
  • Competent scripting in SQL is a plus
  • Experience in BI systems considered a huge plus (such as TABLEAU, QLIK view, PowerBI e.t.c)
  • Flexible and enthusiastic attitude with excellent communication skills
  • Excellent team player skills.
  • Able to acquire and understand the internal customer's technical goals and requirements on all levels.
  • Professional approach to responsibilities and ability to take ownership
  • Analytical learning and researching skills
  • Excellent knowledge of English language
  • Good oral and written communication skills, including ability to interact professionally with management, engineering, NOC and vendors
  • Join Our Team and :

  • Be part of a fast-growing company, and one of the biggest in Greece
  • Work with passionate professionals, who excel in their fields
  • Learn in a challenging and friendly working environment
  • Create your career path in dynamic organization
  • Enjoy competitive salary, private health insurance & special offers
  • Get flexy , work from home 1 day / week
  • Share your hobbies , take part in more than 10 ευWIND activities (athletic & cultural)
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