Position: Probe Engineer 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