Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Training
Personal Information
Timeline
Generic

Tamal Bhattacharyya

Konnagar

Summary

Over 13+ years of extensive experience in IT, acted as Technical Lead in recent engagement. Skilled in Qlik Sense Platform administration and Google Cloud Platform infrastructure management, with expertise in system deployment, configuration, performance optimization, and cloud scalability. Proven ability to design and deliver secure, efficient, and high-performing solutions aligned with business needs.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Technical Lead

TCS
Kolkata
05.2020 - 09.2025
  • Administered and optimized Google Cloud Platform (GCP) resources, including Compute Engine (GCE), Cloud Storage (GCS), Filestore, and Cloud SQL, ensuring high availability and performance.
  • Designed and enforced IAM policies, service accounts, and role-based access controls, enhancing platform security and compliance.
  • Configured and managed Cloud Load Balancers to deliver scalable, reliable, and fault-tolerant application services.
  • Implemented and maintained BigQuery datasets, queries enabling efficient analytics and reporting for large-scale data.
  • Assisted in creating and modifying cloud infrastructure resources using Terraform, contributing to automation and infrastructure-as-a-code practices.
  • Administered and maintained Qlik Sense Platform for 8500+ users, managing licenses, security rules, apps, streams, reload tasks, extensions, nodes, qlik services, access controls to ensure compliance and smooth operations.
  • Performed regular product upgrades, patching, and performance tuning, improving system stability by 40% and ensuring 99.99% uptime across environments.
  • Assisted business teams in building and enhancing 6+ Qlik Sense dashboards, enabling faster insights and improving reporting efficiency by 20%.

Technical Support Manager

TCS
Kolkata
02.2016 - 05.2020
  • Conducted weekly customer and fortnightly business review calls, providing updates on application performance, issue resolution, risk mitigation and process improvement.
  • Led incident, problem, release, and escalation management for business critical 1a applications, ensuring high availability and adherence to SLAs and KPIs.
  • Implemented process improvements that reduced operational costs and enhanced service reliability, driving measurable customer satisfaction.
  • Oversaw risk and availability management, proactively identifying potential issues and ensuring timely resolution to maintain seamless business operations.

Application Support Engineer

TCS
Kolkata
08.2012 - 02.2016
  • Provided L2 production support for Java-based web application, ensuring seamless availability and minimal disruption for end users.
  • Managed and executed application deployments, patches, and release activities, coordinating with development and QA teams.
  • Monitored application performance, investigated incidents, and resolved issues within defined SLAs to maintain system stability.

Education

B.Tech - Electronics and Communication Engineering

MCKV Institute of Engineering, Kolkata
06-2012

Skills

  • Google Cloud Platform
  • Qlik Sense Administration
  • Qlik Nprinting
  • Qlik Alerting
  • Windows 2016 Server administration
  • Issue management with JIRA
  • Terraform
  • Weblogic 81, 12C Administration
  • Nosql database administration
  • PulseSecure LB Administration
  • Unix/Linux system Administration

Accomplishments

BT Consumer, Business, Group:

  • Directed Qlik Sense BI platform and GCP infrastructure operations for 8,500+ users, ensuring 99.99% availability and improved system reliability.
  • Streamlined Qlik license management, achieving ~30% reduction in unused professional, analyzer licenses and lowering operational costs.
  • Optimized GCP infrastructure and deployed stable product versions, delivering ~15% cost savings for British Telecom (BT).
  • Received multiple client appreciations and contributed to a 2-year project extension with TCS from BT through consistent service excellence.

BT Consumer:

  • Managed and led business-critical 1a applications as Technical Support Manager, ensuring faster resolution of BT Broadband, PSTN, and TV service faults.
  • Recommended and implemented architectural modification to optimize Supplier Engineer types for faults, delivering ~10% cost savings for BT Consumers fault resolution expenses.
  • Enhanced fault resolution efficiency and improved service availability, directly contributing to higher customer satisfaction.
  • Recognized with multiple client appreciations for implementing high-value solutions and enabling extended business collaboration with BT.

BT Openreach:

  • Supported and maintained Java-based web applications, ensuring high availability and performance.
  • Executed multiple successful deployments with minimum post-release issues, improving application stability.
  • Led timely security patching activities, strengthening compliance and reducing vulnerabilities by ~25% QoQ.

Certification

  • Generative AI Foundation Curriculum, 1.0, 07/12/25
  • Digital: Google Cloud E1 competency
  • Digital: Qlik Sense E1 competency
  • Cyber Security Foundation, 1.0, 01/18/25
  • Secuware - Cybersecurity Awareness Curriculum, 1.0, 01/18/25

Training

  • CFU Specific Session-CFU Session-Knowledge Transition Program - Domain - ILT/Virtual ILT, 07/01/25, 07/31/25
  • How to use ChatGPT and Generative AI to help create content, Instructor: Justin B 06/24/25
  • Become Generative AI Leader - Google Cloud Certification, Instructor: Ranga Karanam 07/02/25
  • Python for Absolute Beginners, Instructor: Green Chameleon Learning 07/19/25

Personal Information

Timeline

Technical Lead

TCS
05.2020 - 09.2025

Technical Support Manager

TCS
02.2016 - 05.2020

Application Support Engineer

TCS
08.2012 - 02.2016

B.Tech - Electronics and Communication Engineering

MCKV Institute of Engineering, Kolkata

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