Core Analytical & Technical Skills · Analyse large datasets from mobile and fixed voice/data platforms · Benchmark network performance and assess quality of service (QoS) · Understand telecom protocols (SIP, Diameter, C7, GTPv2, S1-NAS) for signalling and failure analysis · Strong IMS, EPC & Policy knowledge related to VoLTE and VoWiFi including underlying protocols · Understanding of VoLTE, VoIP, IMS and Packet core KPIs across the network and best practices · Ability to investigate protocol traces and determine root cause for Voice and Data failures Tooling & Automation Skills · Experience with Polystar (OSIX and Kalix), Niometrics and Groundhog platforms, probe broker, IXIA or Spirent, Packet analysis, Deep packet inspection Domain-Specific & Soft Skills · Deep telecom domain knowledge (VoLTE, IMS, VoIP, Packet Core, 4G and 5G) · Communicate insights effectively to stakeholders and executives · Lead incident response and problem management initiatives · Contribute to strategic planning and service transformation Desirable Skills · Code in Python, R, SQL for data manipulation and custom visualisation · Operate testing tools like TAF, Candella, Sigos, Spectra for fault simulation · Use GitLab, Ansible, DNA for CI/CD and configuration drift detection
