Engineer - Test Execution Core + Policy Charging

Tech Mahindra Network ServicesPhiladelphia, PA

About The Position

Tech Mahindra Network Services has an opening for an Engineer - Test Execution Core + Policy Charging. This role requires expertise with Ericsson Charging, Billing and activation systems, as well as Switch Control and subscriber activation and provisioning systems. The ideal candidate will have expert knowledge of 3GPP call flows and compliance, and knowledge of 5G / CUPS / LTE Subscriber Policy (HSS / HLR). Experience with Offline / Online Charging architectures (such as PCRF Gx and OCS Gy, interfaces) is essential, along with experience with OCS, CHF, CDRs, Gy, Gy metering, Online charging, Gy Quota, Sy, and Gy redirection. Knowledge of DPI (SPI (L3 / L4), L7 parsing, L7 Signatures, SNI technique, DNS parsing) is also required. The role involves experience with PCRF, PCF, PCC, 3GPP QOS Management, Gx, and Gx Charging rules. Familiarity with OSS and BSS Protocols for billing and provisioning interfaces (Gz, SOAP, Rest) and knowledge of South/North bound APIs for integration and automation framework are necessary.

Requirements

  • Expertise with Ericsson Charging, Billing and activation systems
  • Expertise of Switch Control and subscriber activation and provisioning systems
  • Expert knowledge of 3GPP call flows and compliance
  • Knowledge of 5G / CUPS / LTE Subscriber Policy (HSS / HLR)
  • Expertise with Offline / Online Charging architectures (such as PCRF Gx and OCS Gy, interfaces)
  • Experience with OCS, CHF, CDRs, Gy, Gy metering, Online charging, Gy Quota, Sy, Gy redirection
  • Knowledge of DPI (SPI (L3 / L4), L7 parsing, L7 Signatures, SNI technique, DNS parsing)
  • Experience with PCRF, PCF, PCC, 3GPP QOS Management, Gx, Gx Charging rules
  • OSS and BSS Protocols for billing and provisioning interfaces (Gz, SOAP, Rest)
  • Knowledge of South/North bound APIs for integration and automation framework
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