Job Overview

We are seeking a highly experienced Service Delivery Packet Core PCRF/PCF Engineer with a strong background in Telecom Packet Core technologies. The ideal candidate will have extensive expertise in PCRF, PCF (CCPC), and 4G/5G network functions, along with proven experience in operational support, integration, upgrades, and solution design. This role demands hands-on technical depth, strong understanding of telecom call flows, and the ability to manage complex packet core environments within a 247 support model.

Key Responsibilities :

Solution Design, Integration & Delivery :

- Prepare High-Level Design (HLD) and Detailed-Level Design (DLD) documents for PCRF/PCF solutions based on customer requirements.

- Perform integration, upgrade, and configuration of CCPC and PCRF (SAPC) nodes.

- Lead solution design and end-to-end integration of Packet Core network nodes, including:

- SGSN / MME / AMF

- GGSN / EPG / SMF / PCC / PCG

- PCRF / SAPC / CCPC / PCF

- ePDG / WMG

- NRF / NSSF / Signaling Controller

- 5G NSA / 5G SA Core

Operational Support :

- Provide expert-level support in a 247 operational environment, monitoring, troubleshooting, and maintaining Packet Core nodes.

- Support deployment activities, node health checks, performance tuning, and end-to-end network validation.

- Ensure integration alignment across multi-vendor and cloud-native environments.

Telecom Call Flow & Domain Expertise :

- Demonstrate deep knowledge of 4G and 5G call flows, including:

- URSP

- PRA

- Location services

- EPS fallback

- VoNR (Voice over New Radio)

- Strong domain understanding across 5G Network Functions such as AMF, SMF, UPF, PCF (CCPC), and NRF.

Architecture & API Expertise :

- Strong understanding of CCPC architecture, including:

- Service mesh

- Geo-redundancy modes

- Policy design (business logic)

- REST APIs

- Expertise in interactions between SAPC/CCPC and AF, AMF, SMF, CHF, including communication via SCP (direct & indirect).

Cloud, Virtualization & Orchestration :

- Expertise or strong working knowledge of :

- RHOSP / CEE

- Kubernetes / ECCD

- Infrastructure layers on BSP / Dell / HP / HDS

- Hands-on experience with orchestrators such as:

- ATLAS

- ECM

- SDI

- OMC

- EVNFM

Required Skills & Experience :

- Minimum 10 years of Telecom experience in PCRF (SAPC) domain.

- Minimum 2 years of experience in PCF (CCPC).

- At least 5 years of experience in 247 operational support roles.

- Strong end-to-end understanding of 4G/5G Packet Core solutions and cloud-native core networks.

- Hands-on expertise in integration and upgrade of Packet Core nodes.

- In-depth technical knowledge of Packet Core components, 5G architecture, and modern telecom technologies.

Desired Skills & Competencies :

- Expertise in PCRF/PCF, 5G NSA/SA Packet Core, SGSNMME, EPG, SAPC, ePDG/WMG, PCF (CCPC), PCC (AMF & SMF), PCG (UPF), and Packet Core node integration.

- Strong analytical, troubleshooting, and problem-solving skills.

- Excellent documentation, communication, and customer-facing skills.

- Ability to work independently in high-pressure environments while ensuring service excellence.