Korek Telecom

Packet Core Support Senior Engineer

Job Overview


The main role of this position is operation and maintenance of Packet Core nodes through monitoring all domain KPIs, assuring 100% service availability and ensuring a smooth operation of Packet Core network.


Key Responsibilities

  • Provide on-site operation and support for core GPRS nodes (SGSN, GGSN, ADC, DPI, Radius, DNS, Cache, etc…).
  • Timely resolution of escalated problem & trouble tickets.
  • Routine monitoring & sanity checks for proper operation of Packet Core nodes, products and services.
  • Debugging of issues.
  • Provide sufficient data (logs, configurations, & traces).
  • Follow up raised CSR on daily basis.
  • Generate weekly/monthly report for Packet Core nodes.
  • Proactively audit Packet Core domain for fraud cases.
  • Maintain long term plan for Packet Core nodes evolution and roadmap.
  • Managing implementation of data products and services as required by Marketing & IT departments.
  • Support new Packet Core node integrations and expansions.
  • Support implementation of new Packet Core features.



  • Datacom and IP fundamentals.
  • CCNP qualification
  • Packet Core, SGSN, GGSN and GPRS network knowledge.
  • Understand key LTE EPC components including MME, SGW, PGW.
  • Working experience in any of Core Network interfaces e.g. S1, S3, S4, SGs, SGi including networking protocols such as TCP, UDP & SCTP is highly desirable.
  • Knowledge of 3GPP standards of packet core.
  • Knowledge of packet core call flows and VoLTE.


Work Experience



Bachelor in Telecommunication, IT or Software Engineering.



  • English (required)
  • Arabic (required)
  • Kurdish (preferred)