Saurabh Bajpai

PCRF & Telecom Core Specialist | Cloud-Native Packet Core Engineer | Kubernetes & OpenShift Enthusiast

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Quick Overview

Experience: 13+ Years
Specialization: 5G Core, EPC, Diameter, PCRF/PCF
Cloud Native: Kubernetes, OpenShift, CNFs
Domains: Telecom Core Networks & Cloud Transformation
Location: Taiwan / India

About Me

I am a Telecom Core and PCRF Specialist with over 13 years of experience in telecom core networks, subscriber migration, and large-scale operator deployments across Asia and Africa. I specialize in PCRF/PCF integration, Diameter signaling, Packet Core operations, subscriber migration, and cloud-native telecom infrastructure based on Kubernetes and OpenShift. I have successfully delivered critical telecom transformation programs for major operators including Taiwan Mobile, Vodafone, MTN, IDEA, and other global telecom providers. I am a telecom core network engineer with extensive experience in Packet Core, Diameter signaling, PCRF/PCF, and cloud-native telecom platforms. Over the years, I have worked on large-scale telecom deployments, subscriber migrations, troubleshooting, integrations, and Kubernetes/OpenShift-based cloud-native transformations. I specialize in bridging traditional telecom core technologies with modern cloud-native infrastructure and automation.

Core Expertise

Telecom Core

5G CoreEPCPCRF/PCFDiameterAAARoaming

Cloud Native

KubernetesOpenShiftCNFDockerHelmLinux

Architecture & Delivery

Subscriber MigrationSolution DesignTroubleshootingOSS/BSSAutomationIntegration

Professional Experience

Solution Consultant — Shanda Information Co. LTD / YUWEI Information Technology

November 2023 – Present | Taipei, Taiwan

  • Working on Nokia telecom core and cloud-native projects involving PCRF/NPC, Diameter, EPC migration, and roaming migration activities.
  • Successfully completed Taiwan Mobile North, South, and Central Nokia PCRF upgrades with zero major outage.
  • Provided troubleshooting and integration support for telecom core platforms and customer escalations.
  • Worked on Kubernetes/OpenShift-based telecom infrastructure and CNF environments.
  • Supported telecom deployments involving OpenStack, VNFs, Linux, and cloud-native telecom infrastructure.
  • Collaborated with customers, R&D teams, and global integration teams for deployment planning and issue resolution.

Technical Consultant — Relay Telecommunication Limited

May 2020 – November 2023

  • Assigned on Nokia-related telecom projects including PCRF, VoWiFi AAA, EPC migration, and subscriber migration activities.
  • Led successful migrations involving approximately 10 million subscribers to Nokia Policy products.
  • Worked on automation initiatives to improve operational efficiency and reduce deployment timelines.
  • Provided global L3/L4 support and customer troubleshooting for telecom core platforms.
  • Worked on telecom cloud infrastructure involving OpenStack, VNFs, Linux, and Kubernetes environments.
  • Supported telecom integrations involving Diameter signaling, AAA, policy control, and roaming systems.

Module Lead — Mindtree

April 2019 – June 2020 | Gurugram, India

  • Worked on service management platforms and OSS/BSS systems for telecom environments.
  • Handled AAA, PCRF, Radius, Diameter, charging systems, and telecom operational support activities.
  • Monitored telecom applications and database servers for critical operational issues.
  • Supported customer escalations and operational troubleshooting while maintaining SLA compliance.
  • Worked on telecom platform optimization and integration activities.

Senior Intelligent Network Engineer — Ericsson

May 2015 – January 2019 | India, Zambia, Ivory Coast

  • Worked as Solution Integrator and Support Engineer for Ericsson Charging Systems.
  • Handled Ericsson platforms including SDP, AIR, OCC, CCN, NGVS, and CSNMT.
  • Successfully completed charging system swap and online charging system migrations from Huawei to Ericsson platforms.
  • Worked on MTN Zambia and MTN Ivory Coast telecom deployments and integrations.
  • Handled customer support, troubleshooting, deployment planning, and telecom integrations.
  • Worked on SAPC integrations, charging systems, policy control, and telecom core platforms.

Technical Support Engineer — ZTE Telecom

July 2013 – April 2015 | Chandigarh, India

  • Supported ZTE Intelligent Network and Online Charging Systems for IDEA Punjab telecom operations.
  • Worked on ZXIN10 product involving Diameter, IN systems, billing integrations, and subscriber routing.
  • Handled system upgrades, maintenance, troubleshooting, cluster management, and operational support.
  • Managed telecom operations involving UNIX, Linux, Windows servers, backups, and security policies.
  • Successfully completed IDEA IN/OCS optimization project with zero outage and received customer appreciation.
  • Worked on hardware installations, system expansions, telecom integrations, and customer issue resolution.

Certifications & Learning

Kubernetes (CKA Preparation)
OpenShift Administration
Cloud Native Telecom
5G Core Network Architecture

Contact

Open to Cloud-Native Packet Core, Telecom Architecture, and CNS opportunities.

Email

saurabh_bajpai@hotmail.com

LinkedIn

linkedin.com/in/saurabh-bajpai

Location

Taipei, Taiwan / India