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Shubho BhadraSB
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Shubho Bhadra

@shubhobhadra

DevOps Engineer at HCL Technologies Ltd, managing Cloud Service Mesh Istio releases and resolving release-blocking defects.

India
Message

At HCL Technologies Ltd, I manage releases for Cloud Service Mesh Istio, including release branch preparation, upstream change integration, and deployment activities. I also troubleshoot CI/CD failures and help validate releases across five platforms.

On the Network Operation Master project for Nokia, I developed Python automation for OpenStack lab installations and upgrades, reducing manual intervention by 90%. I also implemented a hotfix packaging framework that reduced critical patch delivery turnaround time by 60%.

On Nokia’s Femto Platform Security Development project, I automated a strongSwan upgrade through Jenkins pipelines and implemented monitoring for IPSec tunnels, SeGw performance, and certificate health. My work also includes security remediation, Kubernetes operations, and release validation.

Experience

Work history, roles, and key accomplishments

HCL Technologies Ltd logoHL
Current

Senior Software Engineer

May 2025 - Present (1 year 6 months)

Led end-to-end release management for Cloud Service Mesh (CSM) Istio v1.27 and v1.30, managing release branches, integrating upstream OSS changes, and coordinating multi-platform deployments. Resolved critical release-blocking issues and strengthened security by addressing 10+ critical and high CVEs.

Education

Degrees, certifications, and relevant coursework

AC

Asansol Engineering College

Bachelor of Technology, Electrical Engineering

2017 - 2021

Bachelor of Technology in Electrical Engineering from Asansol Engineering College from 2017 to 2021.

The Linux Foundation logoTF

The Linux Foundation

Introduction to Istio, Istio

Completed the Introduction to Istio course (LFS144).

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