PCRF Engineer

JD:

Required Skills

• 8 years of Telecom Wireless Core Network experience.
• Strong hands-on experience with:
  • PCRF (Policy and Charging Rules Function)
  • PCF (Policy Control Function)
  • OCS (Online Charging System)
• Extensive experience with AMDOCS/OpenetPolicy and Charging solutions.
• Strong understanding of LTE EPC and 5G Core architectures.
• Expertise in Diameter protocols and interfaces:
  • Gx
  • Gy
  • Sy
  • Rx
  • Ro
• Experience troubleshooting policy and charging call flows.
• Strong understanding of subscriber policy management QoS enforcement charging rules and policy control.
• Experience supporting carrier-grade production environments.
• Hands-on experience with Linux/Unix environments.
• Experience using packet capture and analysis tools such as Wireshark and tcpdump.

Preferred Skills

• Experience with 5G Service Based Architecture (SBA).
• Experience with PCF integration involving:
  • SMF
  • CHF
  • NRF
  • UDR
  • AF
• Experience with Kubernetes Docker OpenStack or cloud-native telecom deployments.
• Experience with automation and scripting (Python Shell).
• Experience with telecom operators such as AT&T Verizon T-Mobile Rogers Bell Telus Vodafone or similar Tier-1 carriers.

Responsibilities

• Design deploy configure and support PCRF PCF and OCS platforms.
• Perform integration and troubleshooting of policy and charging solutions in LTE and 5G networks.
• Analyze Diameter signaling and resolve network issues involving Gx Gy Sy Rx and related interfaces.
• Support policy implementation for QoS throttling sponsored data roaming and charging use cases.
• Participate in software upgrades migrations and new feature deployments.
• Perform production support incident management root cause analysis (RCA) and issue resolution.
• Collaborate with vendors operations teams engineering teams and network architects.
• Develop and maintain HLDs LLDs MOPs test plans and operational procedures.
• Support customer acceptance testing and production readiness activities.