Soumarshi Roy
Kolkata
Summary
IT Infrastructure & Cloud Operations professional with 13+ years of experience spanning Data Center Management, Cloud (AWS, GCP, and OCI), and Identity & Access Management (IAM) using Okta, AWS IAM, and Microsoft Entra ID (Azure AD). Experienced in Windows administration, security governance, and cross-platform integration. GenAI-ready with E2-level proficiency, applying AI-driven automation to strengthen security, streamline operations, and enhance user experience. Recognized for service delivery leadership, IAM implementation, and hybrid cloud modernization across enterprise-scale environments.
Thorough team contributor with strong organizational capabilities. Effective at prioritizing tasks and meeting deadlines.
Overview
13
13
years of professional experience
6
6
Certification
Work History
Cloud & On-Prem Infrastructure Lead
Tata Consultancy Services – McColl’s Convenience (Morrison’s Daily)
01.2024 - Current
- Administer AWS and hybrid environments ensuring secure, scalable, and compliant operations.
- Lead and manage AWS IAM, and Microsoft Entra ID (Azure AD) integrations for centralized access control.
- Implement RBAC, conditional access, and automated provisioning via SCIM integrations.
- Conduct identity audits and vulnerability remediation using LogRhythm.
- Spearhead IAM modernization and cloud security hardening across multi-cloud ecosystems.
- Provided professional services and support in a dynamic work environment.
Project Manager – OCI Migration
Tata Consultancy Services – Morrison’s Supermarkets
06.2023 - 12.2023
- Led the Oracle Cloud Infrastructure (OCI) migration project, coordinating architects and infra teams.
- Designed migration strategy, validation, and identity federation between OCI, AWS, and Azure.
- Ensured successful cutover with zero unplanned downtime and adherence to security compliance.
Command Center Operations Lead
Tata Consultancy Services – Morrison’s Supermarkets
03.2021 - 05.2023
- Led Data Center Operations, ensuring 24×7 uptime, backup validation, and proactive monitoring.
- Acted as Backup Service Delivery Lead, driving SLA compliance and audit readiness.
- Oversaw identity provisioning, Okta integration, AD synchronization, and operational escalations for hybrid user environments.
- Automated shift handover workflows, improving communication, visibility, and team efficiency.
Data Center Engineer
Tata Consultancy Services – Morrison’s Supermarkets
02.2019 - 03.2021
- Managed data center operations including server provisioning, patching, and capacity optimization.
- Administered Windows Server, Active Directory, and Azure AD configurations for secure user authentication.
- Supported Okta user lifecycle management — provisioning, deprovisioning, and access assignment through AD integration.
- Monitored identity synchronization between on-prem AD and cloud directories, ensuring policy consistency.
- Implemented and maintained MFA, password policies, and access control groups aligned with security standards.
Google Workspace Administrator
Tata Consultancy Services – ScottishPower
08.2016 - 01.2019
- Administered Google Workspace for 8,000+ users, implementing secure collaboration policies.
- Supported user lifecycle management, IAM policies, and access governance.
Information Specialist
Tata Consultancy Services – EDF Energy
09.2012 - 08.2016
- Managed CRM databases and ensured data quality for analytics and reporting.
- Partnered with functional teams to optimize data workflows and operational insights.
Skills
- Identity & Access Management (IAM): Okta, AWS IAM, Microsoft Entra ID (Azure AD), LDAP, LDAP, MFA, Conditional Access, RBAC
- Cloud Platforms: AWS, Google Cloud
- Data Center & Infrastructure Operations
- Google Workspace Administration
- Generative AI (E2) AI-driven Automation Operational Efficiency
- Windows Administration Active Directory Entra Azure AD
- Service Delivery Incident & Change Management (ServiceNow)
- Security & Compliance: LogRhythm, Security Audit, MFA, Conditional Access , Barracuda, SSL Certificates, Vulnerability Assessments
- Operating Systems & Directory Services: Windows Server, Active Directory, Group Policy, DNS, DHCP
- Collaboration Tools: Google Workspace, O365, SharePoint, Intune, PowerApps, MS Flows
- Scaled Agile Framework Agilist
- Dependable and responsible
Certification
- Google Cloud Generative AI Leader ( 2025-11)
- AWS Certified AI Practitioner – Early Adopter (2024-10)
- AWS Certified Solutions Architect – Associate (2024-06)
- Google Associate Cloud Engineer (2024-04)
- Professional Google Workspace Administrator (2024-01)
- AWS Certified Cloud Practitioner (2023-11)
Awards & Recognition
TCS NextGen Mentor (2025-01), Wings2 – TCS High Talent (2024-12), TCS Contextual Masters (2024-06), Morrison’s Top Performer – Data Center Operations (2023-03), Xcelerate Victor (2023-12), On the Spot (Team) Award (5 times), Special Initiative Award (3 times)
Education
Bachelor’s Degree -
01.2011
GPA: First Class
- Honours
Higher Secondary - Science
01.2008
GPA: First Class
Languages
English
Bengali
Hindi
Timeline
Cloud & On-Prem Infrastructure Lead - Tata Consultancy Services – McColl’s Convenience (Morrison’s Daily)
01.2024 - Current
Project Manager – OCI Migration - Tata Consultancy Services – Morrison’s Supermarkets
06.2023 - 12.2023
Command Center Operations Lead - Tata Consultancy Services – Morrison’s Supermarkets
03.2021 - 05.2023
Data Center Engineer - Tata Consultancy Services – Morrison’s Supermarkets
02.2019 - 03.2021
Google Workspace Administrator - Tata Consultancy Services – ScottishPower
08.2016 - 01.2019
Information Specialist - Tata Consultancy Services – EDF Energy
09.2012 - 08.2016
University of Calcutta - Bachelor’s Degree,
HNAV High School - Higher Secondary, Science