Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Languages
Hobbies and Interests
Disclaimer
Timeline
Generic

Pratik Nandy

Kolkata

Summary

Results-driven Packet Core Engineer with 8+ years of experience in EPC, 4G LTE, and 5G Core networks. Skilled in Packet Core deployment, configuration, troubleshooting, and optimization across multiple vendor environments. Proficient in Wireshark, packet analysis and end-to-end call flows with a proven track record of improving network performance and resolving critical issues under tight SLAs.

Overview

9
9
years of professional experience
1
1
Certification

Work History

Senior Solution Integrator

Ericsson India Global Services PVT LTD
02.2021 - Current

Responsibilities:


  • VNF Deployment: Deployed and integrated Virtual Network Functions (VNF) for EPC/5G Core nodes (MME, SGW, PGW) on NFVI platforms.
  • CNF Deployment: Executed cloud-native deployment (CNF) of 5G Core functions (SMF,UPF) using Kubernetes and Helm charts on containerized platforms.
  • Managed lifecycle operations (installation, scaling, upgrades, and patches) for both VNFs and CNFs.
  • Design & Documentation: Prepared network design documents, Test Objective Lists (TOL), and Method of Procedure (MOP) for deployment activities.
  • Integration & Testing: Performed end-to-end integration of Packet Core/5G Core nodes, conducted Acceptance Testing (AT), and validated features against requirements.
  • Go-Live & Handover: Executed go-live activities, ensuring smooth migration and service continuity, followed by knowledge transfer and handover to operations teams.
  • Activity Planning: Developed and reviewed MOPs for upgrades, expansions, and new feature deployments, ensuring minimal service impact.

Senior Engineer

Vodafone Idea Ltd
06.2019 - 01.2021

Responsibilities:


  • Requirement Analysis: Analyzed project requirements, prepared MOPs, and created test case scenarios.
  • Field Coordination: Coordinated with field engineers to validate performance in live network environments.
  • Integration & Deployment: Actively participated in integration and deployment of Packet Core components.
  • Execution Excellence: Delivered error-free execution of MOPs during critical activities.
  • Troubleshooting & RCA: Performed trace activation, analysis, and root cause identification for PS domain issues.
  • Crisis Management: Handled emergency network situations, ensuring quick recovery to minimize customer impact.

Engineer

Ericsson India Global Services PVT LTD
12.2016 - 05.2019

Responsibilities:


  • L2 Support: Provided configuration, troubleshooting, and technical support for Packet Core nodes.
  • KPI Management: Monitored network KPIs and delivered detailed Root Cause Analyses (RCAs).
  • Preventive Maintenance: Performed regular health checks and preventive maintenance of PS Core elements.
  • Crisis Management: Handled emergency network situations with quick recovery and impact analysis.
  • Call Trace Analysis: Conducted call traces at PS Core nodes to resolve customer complaints.
  • Roaming Support: Managed national and international roaming issues to ensure seamless service.
  • MVNO Operations: Addressed and resolved issues related to Mobile Virtual Network Operators (MVNOs).
  • Configuration Management: Implemented network changes and configurations on Packet Core nodes.
  • Interface Troubleshooting: Diagnosed and resolved issues on Gb, Gn, Gx, Gy, Gi, S6a, and S5/S8 interfaces while monitoring performance.
  • Cross-Team Coordination: Collaborated with internal teams to perform RCA and implement fixes within defined SLAs.

Education

B.Tech -

M.A.K.A.U. T
01.2016

Higher Secondary - undefined

W.B.C.H.S.E
01.2012

Secondary - undefined

W.B.B.S.E
01.2010

Skills

  • EPC & 5G Core (MME, SGW, PGW, SMF, UPF)
  • Protocols: GTP, PFCP, Diameter, SCTP, SIP, IPv4/IPv6
  • Troubleshooting & packet analysis: Wireshark, Astelia, Netscout
  • Cloud-native Core: OpenStack, Kubernetes, Docker
  • Hands On : Ericsson, ZTE, Nokia Vendor Packet Core Nodes
  • Soft Skills: RCA documentation, SLA management, cross-team collaboration, customer communication

Accomplishments

  • Have received Vi Superpower award for contribution in launching Vi brand in 2020.
  • Received appreciation for contribution in PAN India Postpaid Consolidation project in 2020.
  • Received multiple appreciation for error free delivery in AMX One Core project in 2024.
  • Have received Shining Star for clearing GIAP assessment in Ericsson in 2025.




Certification

  • Microsoft Certified: Azure Fundamentals
  • Ericsson 5G Core Associate Certification
  • Ericsson GIAP Assessment

Languages

English
Hindi
Bengali

Hobbies and Interests

Watching cricket matches.

Fitness and outdoor activities.

Tech enthusiast: exploring new gadgets, apps.

Disclaimer

I hereby declare that the above-mentioned information is correct up to my knowledge and I bear the responsibility for the correctness of the above-mentioned particulars.

Timeline

Senior Solution Integrator

Ericsson India Global Services PVT LTD
02.2021 - Current

Senior Engineer

Vodafone Idea Ltd
06.2019 - 01.2021

Engineer

Ericsson India Global Services PVT LTD
12.2016 - 05.2019

Higher Secondary - undefined

W.B.C.H.S.E

Secondary - undefined

W.B.B.S.E

B.Tech -

M.A.K.A.U. T
Pratik Nandy