Pratik Nandy

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.

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.

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.