With over 14 years of experience as a Senior Database Administrator at Tata Consultancy Services, I specialize in database maintenance, security, migration, upgrades, troubleshooting, performance optimization, and high-availability solutions, on both on-premises and in Azure Cloud. Certified in ITIL Foundation, MCSA: SQL 2016 Database Administration, and Oracle Database Administrator Certified Professional. Proficient in Oracle RAC, Oracle Data Guard, SQL Server Availability Groups, SQL Server Failover Clusters, Database Disaster Recovery, Oracle Enterprise Manager, GoldenGate Replication, and Azure SQL PaaS databases, skilled in SSIS, SSRS, PowerShell, and Shell scripting. Eager to contribute to the Government of Alberta's infrastructure team by leveraging technical skills and innovative solutions.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Senior Database Administrator
Tata Consultancy Services
05.2019 - Current
Company Overview: Client: North American leading energy infrastructure company
Team Management: Led a team of six DBAs, ensuring efficiency and productivity, and streamlined database tower transition from the client
Managed databases, addressing daily issues for optimal performance, and resolved customer requests and Alerts/Incidents in ServiceNow, followed change, problem and vulnerability management protocols
Planned storage capacity for systems on-premises and Azure Cloud, optimized Azure Blob Storage to save costs
Disaster Recovery: Executed Database Disaster Recovery (DR) solutions, strengthening data protection and recovery processes
Performance Issues: Implemented performance improvement strategies using RDBMS tools
Installed SQL Server and Oracle databases within standalone and cluster environments, implemented high availability for Oracle databases using Oracle RAC, Oracle Data Guard and SQL Server with SQL Server Failover Cluster and AG
Azure SQL PaaS and SQL Server on Azure IaaS Server: Created Azure SQL products in both IaaS server and PaaS databases and instances
Backup Solutions: Maintained backup solutions with Oracle RMAN and SQL Native Backups
Security: Enable Transparent data encryption (TDE) on SQL databases, and encrypted SQL Connections
Built SSRS reporting solutions and SSIS packages for security reviews
License Optimization: Reduced database license costs by 40%
Scripting: Developed PowerShell and shell scripts for daily checks and monitoring
Data Integration: Developed SSIS scripts for data integration and maintenance
Deploying user codes in production databases under approved changes
Collaboration with Application Team: Coordinated with the application team to upgrade/patch application, create/schedule application backend reports, create new databases, downtime for maintenance on the databases, troubleshoot issues
Patch Management: Applied patches from Microsoft and Oracle
Managed Oracle-to-PostgreSQL data migration, ensuring integrity and performance in cross-platform transitions
Client: North American leading energy infrastructure company
Senior Database Administrator
Tata Consultancy Services
12.2016 - 04.2019
Company Overview: Client: Leading Dutch defense, shipbuilding, and engineering conglomerate company
Led a team of five DBAs, successfully transitioning and streamlining the database tower from the client, ensuring optimal performance and security
Database Installation, upgrade and migration
Working on Service Now tickets, database related SCOM Alerts, Change Management, Problem Management
Developed and maintained backup solutions, created Azure SQL PaaS products, and managed migration and upgrade of databases in Azure Cloud and on-premises
Automated daily tasks, reducing manual efforts by 90%, and implemented custom solutions for Oracle database monitoring using SCOM which help in maintaining availability of the Oracle databases
Setup Monitoring for SQL Server Using SCOM
Client: Leading Dutch defense, shipbuilding, and engineering conglomerate company
Senior Database Administrator
Tata Consultancy Services
11.2013 - 12.2016
Company Overview: Client: Leading international hotel and resort chain based in the United States
Database Team lead managed team of nine Database administrators
24 X 7 Administered, supported, and monitored databases proactively, resolving database issues and maintaining servers
Solving customer-raised severity tickets in Assysts and ServiceNow, alerts, and incidents from OEM
Planning storage capacity to manage systems and infrastructure
Utilized RDBMS tools and utilities to monitor, tune and optimize system performance
Install and create new SQL Server and Oracle databases in Standalone and Cluster environments
Apply latest patches from Microsoft and Oracle
Maintaining and Upgrading Oracle RAC, Oracle Data Guard, GoldenGate, Oracle pluggable database (PDB) and OEM
Define and Create Metric Extension, Scheduling Database Report using OEM
Automation of database jobs using shell and Powershell Scripts and schedule them in Cron or Windows's task scheduler
Automation of data load using shell scripting and SQL
Loader
Setup and manage replication of data between multiple databases using GoldenGate
Develop, implement, and manage database high availability solutions in SQL Server and Oracle Databases
Migration of SQL and Oracle databases to AWS cloud
Client: Leading international hotel and resort chain based in the United States
Database Administrator
Tata Consultancy Services
01.2011 - 10.2013
Company Overview: Client: American wholesaler and retailer of grocery products
Administered 24 X 7 production databases, ensuring proactive problem recognition and resolution, Monitoring availability of Database Instances, Backups and simultaneously handling alert logs for error
Database physical administration, including datafile management, control file management, redo log management and archive log files management
Solved customer-raised severity tickets in HP OpenView, CA Service Desk, Lotus Notes, alerts, and incidents from OEM
Installed and upgraded Oracle and SQL Server databases, configured ASM Disks & ASM database creation, and managed Oracle Cluster, Oracle RAC for optimal performance and security in Solaris and Linux servers
Client: American wholesaler and retailer of grocery products
Education
Bachelor Of Technology - Computer Science
Guru Gobind Singh Indraprastha University (GGSIU)
Skills
Oracle Database Administration
Oracle Data Guard
Oracle RAC
SQL Database Administration
SQL Server High Availability
SQL Server Reporting Services
SQL Server Integration Services
PostgreSQL
Shell Scripting
PowerShell Scripting
Certification
ITIL Foundation Certificate in IT Service Management, EXIN - 12/01/2015
Assistant Delivery Manager at Tata Consultancy Services, Global Shared ServicesAssistant Delivery Manager at Tata Consultancy Services, Global Shared Services