Headline

Assistant Consultant at TCS

About

IT Infrastructure & Cloud Specialist with 13 years of robust experience in systems administration, identity management, and virtualization. I’ve delivered enterprise-class infrastructure and cloud transformation for organizations like Shell, KPMG, PwC, Tata Power, and currently with TCS. Core Expertise: Microsoft Technologies: Windows Server (2008–2019), Active Directory, VMware, Hyper-V, Microsoft Exchange 2016 Cloud & Identity: Azure IaaS/PaaS, Azure AD, Hybrid Identity, Cloud Security Infrastructure Leadership: Led large-scale data center migrations, designed Hyper-V clusters, deployed Teams and self-service portals, and managed DR planning Operational Excellence: Incident escalation, RCA, VIP support, change governance (TAB/CAB), ITSM (ServiceNow), vendor management Strategic Skills: License procurement, RFP development, budget capitalization, evaluations for new Microsoft tech rollout

Location

Kolkata

Work experience

Assistant Consultant at Tata Consultancy Services, Nov 2022 - Present · 3 yrs 6 mos, Kolkata, West Bengal, India, Project: Shell (Active Directory & Identity Management) • Administered and optimized Active Directory services across a global enterprise, resolving critical authentication and access issues for thousands of users. • Led Domain Controller promotions and decommissions during migration projects, ensuring smooth transitions with minimal downtime. • Designed and enforced Group Policies, OU structures, and access rights, strengthening compliance with organizational security standards. • Acted as key escalation point for AD-related incidents, driving root cause analysis (RCA) and implementing permanent fixes. • Authored comprehensive runbooks and disaster recovery documentation to standardize AD operations. • Supported hybrid identity integration with Azure AD, improving authentication workflows and user migration processes. • Provided VIP support for executive stakeholders during outages and critical cutovers. ________________________________________ Project: KPMG (Azure Infrastructure & Cloud Operations) 1. Azure Operations & Governance • Deployed and managed Azure IaaS & PaaS services, including VM provisioning, database services, and app services, ensuring compliance with client standards. • Led monthly orphan resource cleanup activities, optimizing subscription utilization and reducing cloud costs. • Owned the Change Request (CR) process in ServiceNow – preparing implementation plans, coordinating approvals, and presenting in weekly TAB & CAB calls. • Coordinated with subscription owners during planned maintenance and Azure advisory activities, ensuring zero business disruption. • Managed monthly Azure backup operations, ensuring adherence to KPMG’s backup, audit, and retention policies. • Acted as primary escalation point for Azure incidents and maintenance activities, ensuring SLA compliance.

Team Lead at TP Central Odisha Distribution Limited, Jan 2022 - Oct 2022 · 10 mos, Bhubaneswar, Orissa, India, • Oversaw Wintel infrastructure operations, including servers, virtualization, patching, messaging, and email systems (Windows Server 2012–2019, Microsoft Exchange 2016). • Directed migration of 100+ servers to a new data center and established a new Active Directory domain, onboarding all users and systems into the domain with minimal disruption. • Designed and implemented Hyper-V clustering, boosting high availability and resilience of critical applications. • Deployed and managed Microsoft Exchange 2016 for 500+ users, ensuring secure email communication and robust data protection with backups. • Implemented Microsoft Teams for internal employees, enhancing collaboration and communication across departments. • Implemented a Self-Service Password Management Portal for employees, reducing IT helpdesk dependency and improving end-user experience. • Led disaster recovery planning and execution, ensuring compliance with business continuity requirements. • Acted as first point of escalation for infra and email-related incidents, driving RCA and quick resolution. • Mentored and trained junior engineers, building team capability and operational excellence. • Procured Microsoft products (licenses & software) and prepared RFPs for tendering processes, ensuring cost-effective procurement and compliance with corporate standards. • Managed and coordinated with IT helpdesk vendors, ensuring SLA adherence and high-quality service delivery. • Conducted new technology evaluations for Microsoft platforms to meet evolving business requirements and optimize the IT landscape. • Ensured timely capitalization of IT hardware infrastructure budgets for ongoing projects. • Successfully migrated 100+ servers and established a new Active Directory domain, onboarding all users and systems. • Implemented Microsoft Teams across the organization, modernizing collaboration. • Deployed a Self-Service Password Management Portal, reducing IT helpdesk calls and improving user experience.

Lead Engineer at TP Central Odisha Distribution Limited, Aug 2020 - Jan 2022 · 1 yr 6 mos, Bhubaneswar, OR, India

Senior Project Engineer at Wipro Limited, Dec 2017 - Aug 2020 · 2 yrs 9 mos, Kolkata, West Bengal, India, Project: PwC India | Domain: Windows Server & AD Infrastructure • Administered and optimized Windows Server and Active Directory infrastructure, including DNS, DHCP, and Exchange services, ensuring high availability across enterprise environments. • Designed and implemented a 6-node Hyper-V cluster, improving system uptime, load balancing, and disaster recovery capabilities. • Successfully executed in-place upgrade of 250+ virtual machines from Windows Server 2008 to 2012, ensuring minimal downtime and data integrity. • Acted as first point of escalation and crisis manager for critical technical and process issues, ensuring quick resolution and client satisfaction. • Provided technical subject matter expertise (SME) across Windows, AD, clustering, and virtualization technologies, assisting with complex problem-solving. • Implemented SCCM patching strategies, capacity planning, and monthly patch management, maintaining compliance and security baselines. • Conducted trend analysis of recurring incidents, worked with teams to minimize repeat issues, and performed root cause analysis (RCA) for major incidents. • Planned and scheduled change activities, coordinating with multiple stakeholders and presenting updates in client meetings. • Conducted regular security audits and hardening measures, mitigating risks and strengthening governance. • Trained and mentored new team members, supported knowledge acquisition, and maintained updated documentation. • Troubleshot and resolved Windows Cluster and Hyper-V cluster issues, ensuring system high availability. • Recognized 4 times with “Best Technical Award” from PwC client leadership for outstanding technical delivery and service excellence.

SIMS TRAINEE at Wipro Limited, Jan 2013 - Nov 2017 · 4 yrs 11 mos, Mumbai, Maharashtra, India, Projects: Mumbai Airport, Marico, Kotak | Domain: Windows, AD, Messaging & Infrastructure Support • Provided L2/L3 support for Windows Server and Active Directory environments, handling user account management, AD replication, and Group Policy issues. • Managed Microsoft Exchange Server & email flow, including mailbox administration, troubleshooting, and assisting with Office 365 migration projects. • Delivered Wintel support for enterprise clients (Mail, Marico, Kotak), ensuring high availability of business-critical systems. • Acted as escalation point for critical incidents involving Active Directory, Exchange, and server infrastructure. • Provided VIP support to senior executives at Kotak, ensuring uninterrupted IT service delivery. • Supported virtualization (VMware/Hyper-V) environments, performing VM deployment, migration, and performance tuning. • Conducted patching & compliance activities via SCCM/WSUS, maintaining system security and stability. • Assisted in data center operations and contributed to infrastructure documentation, monitoring, and improvement initiatives. • Collaborated with cross-functional teams to analyze recurring incidents, perform RCA, and implement preventive measures.

Education

Master's degree, System Engineering, Birla Institute of Technology and Science, Pilani

Bachelor's degree, Systems Engineering, Birla Institute of Technology and Science, Pilani