Truminds - Service Delivery Engineer - Telecom/Packet Switching

2 weeks ago

Bengaluru India Truminds Software Systems Full time

Job Description 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. (ref:hirist.tech)

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