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/Openet Policy 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.