Tunir Bhattacharya

Tunir Bhattacharya

Senior Cybersecurity Engineer


About

Cybersecurity Engineer | Full-Stack Developer | AI Security & Quantum Computing Enthusiast Results-driven Cybersecurity Engineer with hands-on experience in building secure, scalable platforms and automation systems. Skilled in Full-stack Development, GenAI, Cloud Security, AI Security and DevOps, with a proven record of reducing manual effort and enhancing operational efficiency. Adept at integrating AI-driven solutions and collaborating across global teams to strengthen organizational security posture. Always curious, always building, and always exploring what’s next!!

Skills
JavaScript
Python
Go
React
Next.js
Node.js
Google Cloud
Kubernetes
Docker
Terraform
PostgreSQL
GraphQL
CI/CD
System Design
.Net
CosmosDB
Azure
Gemini
LangChain
Product Management
Experience

Cybersecurity Engineer II

Providence Global Center

Oct 2025 to Present
  • Spearheaded deployment and maintenance of the enterprise-grade CyberHealth platform across multiple environments, improving reliability by 40%.
  • Engineered an AI-driven Cyber Daily Digest report aggregating threat intelligence feeds from 100+ public cybersecurity sources, generating leadership-ready summaries and actionable insights to improve organizational threat awareness and response prioritization, with an accuracy of
  • 85%.
  • Developed an LLM-powered AI agent integrating enterprise software inventory correlation to automatically identify impacted assets and potential organizational exposure from external cyber threat intelligence feeds.
  • Engineered a Blast Radius Analysis AI Agent that correlates CVEs from the previous 3 months with enterprise vendor inventory to identify affected technologies, assess potential organizational impact, and prioritize remediation, improving vulnerability triage efficiency by 50%.
  • Led Helios project integrating Velocloud APIs for live edge-device monitoring, achieving 99.8% uptime and 35% faster threat identification (ReactJS, Node.js, Azure, ArgoCD)
  • Built CDP (Common Data Platform) using Go microservices, Databricks, and CosmosDB for centralized hospital cyber asset management, cutting data retrieval time by 60%.
  • Built an AI-based Summary Planner and RAG-powered insights module within CyberSage, enabling contextual summarization of cybersecurity metrics and dashboard analytics, improving leadership reporting efficiency and accelerating data-driven decision-making.
  • Developed an LLM-powered Autonomous Penetration Testing Agent capable of performing reconnaissance, vulnerability assessment, and security validation for user-provided web applications, reducing manual testing effort by 70% and accelerating initial security assessments.
  • Collaborated with onshore US team for DevOps, Automation, and Security Audits ensuring compliance with organizational standards.

Cybersecurity Engineer I

Providence Global Center

Jul 2024 to Oct 2025
  • Designed and developed CyberHealth Platform – a centralized cybersecurity management suite reducing manual data aggregation by 80%.
  • Implemented workflow automation and RBAC-controlled dashboards increasing leadership data visibility and decisionmaking efficiency by 50%.
  • Integrated AI module ‘CyberSage’ for conversational insights, boosting internal query resolution time by 70%. (Python, OpenAI API)
  • Developed CI/CD pipelines using Docker, Kubernetes (AKS), and IaC with Bicep files enabling automated deployments and near-zero downtime.
  • Developed Operational Health Page ensuring real-time monitoring and issue remediation for critical APIs and data sources.

Security Operations Analyst

Providence Global Center

Jun 2023 to Jul 2024
  • Automated Tier-1 Hub processes for IAM operations reducing manual efforts by 80% and accelerating ticket closure time by 40%.
  • Built Power BI dashboards for incident tracking and cybersecurity metrics enhancing executive visibility into SOC operations.
  • Assisted in Cloud Security and Incident Response operations including vulnerability assessment and mitigation workflows.

Security Analyst Intern

Providence Global Center

Jan 2023 to Jun 2023
  • Conducted vulnerability scans using Rapid7 via VMHub and prepared actionable vulnerability assessment reports.
  • Supported Identity Access Provisioning for over 70 enterprise applications across US-based hospitals.
  • Gained hands-on exposure to cybersecurity operations including information security and vulnerability management.
Projects

Rostavia

Rostavia is a B2B workforce rostering platform designed for multiple industries, bringing shift scheduling, leave management, compliance, payroll, and approvals into one application. Built with Django REST Framework and React (TypeScript, Vite, and Tailwind CSS), it features role-based access control with dedicated dashboards for admins, managers, clients, and workers. Its AI copilot, Ava, powered by Gemini, enables managers to query live roster data in natural language while respecting role-based permissions. Rostavia also includes an AI-powered replacement agent that identifies suitable cover for staff absences based on licences, leave status, and the 40-hour weekly work limit, then drafts notification emails for managerial approval.

Flipkart GRiD 4.0 – Metaverse for E-commerce

Developed a VR-based metaverse shopping platform featuring immersive 3D product visualization and interactive social experiences. Built engaging virtual environments and shopping experiences using Unity 3D, Blender, and Spatial.io integrations, enabling users to explore products and interact within a shared virtual space.

Education

Bachelor of Technology

Gandhi Institute of Technology and Management

Jul 2019 to May 2023
Tunir Bhattacharya · DevFest Hyderabad 2026