Truminds - Service Delivery Engineer - Telecom/Packet Switching

Job Overview

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.