SANGAVI S
Chennai,India
Summary
4.x years dedicated experienced Database Administrator seeking a challenging position in a high-quality engineering environment, bringing valuable expertise and academic skills to enhance organizational operations.
Overview
7
7
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work History
Senior Database Administrator
Tata Communications Limited
Chennai
07.2023 - 04.2025
- Handling Oracle databases (11g, 12c, 19c) across Unix, Windows and Cloud platforms. Implemented and managing 2500+ Dataguard, RAC and ASM setups to enhance data protection and availability, resulting in increased business continuity and disaster recovery capabilities.
- Database installation, Configuration, Performance tuning, and RMAN backup/recovery procedures, which led to minimal downtime and improved system resilience during upgrades and patching.
- Handling day-to-day DBA activities using Oracle utilities and tools, monitoring space and memory requirements and Memory tuning. Checking Alert Logs, Archive Logs, Trace files and backup verifications.
- Tablespace management: Creating/dropping/adding/resizing of tablespace/data files.
- Setting up Standby Database / Oracle Data Guard to protect against failures. Configured the Standby Database in such a way that the database is kept synchronized with the Production database by regularly transferring archived log files from the Production Server to the Standby database Server.
- Implemented monitoring solutions using Zabbix, effectively maintaining optimal resource allocation and preemptively addressing performance issues.
- Developed and maintained comprehensive documentation(SOP) for database operations which streamlined onboarding and facilitated knowledge transfer across teams.
- Quickly learned and applied new skills to daily tasks, improving efficiency and productivity
- Worked flexible hours, covering nights, weekends and bank holidays
- Monitored database performance and identified areas for improvement
- Monitored alert log, memory, disk I/O and CPU usage as part of DBA daily activities
- Trained and mentored junior database personnel to share best practices and standardise strategies
- Applied security patches, considering implications to application and infrastructure
- Supported day-to-day operations, overseeing SAN to ASM and other related database activities including ASM disk addition
- Tracked storage and CPU usage and general usage trends to keep enough compute available to meet service levels
- Experience in Import and Export Utilities
- Generating AWR Reports for Database Health Checkup
- Managing user level grants and granting privileges' and management of user profiles.
- Basic Script Execution in MONGO DB and understanding of Architecture
- Worked in AWS RDS environment and involved in activities such as DB minor version upgrades and taking backup and moving backup to S3 bucket.
- Providing basic standby support to other Db technologies such as MSSQL , MYSQL during 24/7 shift .
Engineer
Tata Communications Limited
Chennai
06.2020 - 06.2023
- Basic DB operations and monitoring.
- Monitoring of tickets and enabling Zabbix configurations in the servers.
- Working with SNOW support team for alert reduction in the database servers.
- Day to Day Dashboard monitoring of tickets.
- Proactive respond to Customer emails and tickets.
- Strong understanding of IT IL v4 Service Management best practices with an emphasis on Incident Management, Problem Management, Change management, Service Level Management and Service Request Management.
- Provides life-cycle management of all service requests and keeps customers informed of progress.
- Produce activities and workflow documentation for Change, Incident and Problem Management.
- Deliver KPl's against active IT SM / Service Now processes.
- • Weekly metrics reporting to management and meeting the established service delivery.
- • Inputting to Change record approval decisions on an ad hoc basis and through internal CAB (Change Advisory Board) meetings.
- • Problem Management resolves the root causes of incidents to minimize the adverse impact of incidents and problems caused by errors in the infrastructure.
Assistant manager - L1
HDFC Bank
Chennai
05.2018 - 11.2019
- Worked in Backend support of bank IT operations.
- Basic Monitoring of oracle Database as bank supports Oracle Flexcube application.
- Assigning of tickets to respective SPOC for effective action.
- Preparing monthly reports for monitoring purpose.
- Monitoring and managing the use of disk space /File Systems and routing the requests to L2 queue.
- Collaborated with cross functional teams to resolve database related issues swiftly to maintain uninterrupted service and data integrity.
- Maintaining and handling SOPs for Database operations for the purpose of knowledge transfer.
Education
Bachelor of Engineering - Electronics and Instrumentation Engineering
Panimalar Engineering College
Chennai 05.2012 - 05.2016
Skills
- Oracle
- MySql
- MSSQL
- ITIL
- Linux and Windows
- Oracle RDS
sections.external_links.name
Certification
Oracle Database Administration I, 1Z0-082, (In progress)
Oracle Cloud Foundation Associate 2023
Languages
English
Beginner
Hindi
Elementary
Tamil
Intermediate
Accomplishments
- Was awarded for best customer eccentricity and appreciations in a quarter - Extra Mile Award
- Awards for successfully completing DR Drills for the customer
Projects Handled
- Accelya,
- State Bank Of Mauritius,
- Tata Unistore Limited
- Care Health Insurance
- Intellect Design Arena
- Validus Wealth
- Canara HSBC
- Unico Housing Finance
Affiliations
- Love to Travel and Explore
Timeline
Senior Database Administrator
Tata Communications Limited
07.2023 - 04.2025
Engineer
Tata Communications Limited
06.2020 - 06.2023
Assistant manager - L1
HDFC Bank
05.2018 - 11.2019
Bachelor of Engineering - Electronics and Instrumentation Engineering
Panimalar Engineering College
05.2012 - 05.2016
Similar Profiles
Ajay MAjay M
Assistant Manager at Tata Communications Limited / Novamesh LimitedAssistant Manager at Tata Communications Limited / Novamesh Limited
DHARANI JDHARANI J
Senior Network Engineer at TATA COMMUNICATIONS LIMITED / Novamesh Private LimitedSenior Network Engineer at TATA COMMUNICATIONS LIMITED / Novamesh Private Limited
SARANG R. BHAMWARISARANG R. BHAMWARI
Cloud & CyberSecurity - Global Product Manager at Tata Communications LimitedCloud & CyberSecurity - Global Product Manager at Tata Communications Limited