Pursharth Chaudhary
Infrastructure Services Technical Lead
Kolkata,WB
Summary
Infrastructure Services Technical Lead with 10+ years of experience driving enterprise modernization across Azure, Exchange Server SE, and Active Directory for global client environments. Proven expertise in architecting secure identity and access models, delivering 3+ infrastructure policy and design changes per quarter. Skilled in building and securing Windows Server 2025 platforms, decommissioning legacy systems, and remediating infrastructure risks to ensure compliance. Directs a Tier II team of 20 engineers, improving operational efficiency and service delivery, while producing monthly and quarterly client reports that align IT operations with business objectives. Recognized for combining hands‑on technical depth with strategic architectural leadership to deliver resilient, scalable, and secure enterprise solutions.
Overview
12
12
years of professional experience
Work History
Infrastructure Services Technical Lead
Tata Consultancy Services
04.2019 - Current
- Drive modernization through DevOps planning, building epics and stories across 15-day sprints to keep delivery structured.
- Lead a Tier II team of 20 engineers, overseeing BAU operations, training, and professional development.
- Architect and maintain RBAC models, updating access controls for client environments and legacy application transitions.
- Build and configure Windows Server 2025 instances with compliance and security controls aligned to client standards.
- Remediate infrastructure vulnerabilities, including disabling Direct Send and guiding teams through Exchange on-prem decommissioning.
- Design and deploy load balancers and related infrastructure components to support resilient client environments.
- Deliver monthly and quarterly client reports that improve visibility into progress, risks, and business alignment.
Education
Bachelor of Science - Information Technology
GBTU
Greater Noida04-2014
Skills
Infrastructure Architecture & Delivery
Identity Architecture & Governance (Microsoft Entra ID)
Cloud Architecture & Migration Planning
High Availability & Disaster Recovery Design
Zero Trust & Network Segmentation Strategies
Load Balancing & Performance Optimization
Security Hardening & Privileged Access Management
Conditional Access & Federated Authentication
Single Sign-On Implementation
Microsoft Exchange Administration (2010–2019 and now Exchange SE)
Microsoft 365 Administration & Hybrid Configuration
Messaging Security (Proofpoint – Expert, Cisco IronPort – Moderate)
Graph API Integration & App Impersonations
RBAC Policy Design & Implementation
Identity Governance & Compliance
Azure AD & Azure Administration
Active Directory, ADFS, DNS
Windows Server (2008 R2 – 2025)
PowerShell Automation & Scripting
Incident Reporting & Root Cause Analysis
Zero Trust Architecture Implementation
Microsoft Sentinel (SIEM) Deployment & Monitoring
Identity Governance & Conditional Access Policies
Disaster Recovery Planning & Execution
DevOps (Epics, Stories, Agile Sprints)
Technical Documentation & Architecture Blueprints
Client Reporting (Monthly & Quarterly Status Reports)
Stakeholder Communication & Governance Alignment
Technical documentation
Client reporting
Certification
- MCSA: Cloud Platform
- Exam 532: Developing Microsoft Azure Solutions
- Exam 533: Implementing Microsoft Azure Infrastructure Solutions
Past Roles
- Accenture, Kolkata – Senior Analyst (Dec 2017 – Mar 2019)
- HCL Technologies, Noida – Specialist (Jan 2015 – Nov 2017)
- Tech Mahindra, Noida – System Administrator (Apr 2014 – Dec 2014)
Timeline
Infrastructure Services Technical Lead
Tata Consultancy Services
04.2019 - Current
Bachelor of Science - Information Technology
GBTU