Sreejith Raghunath
Canada,BC -
Summary
Overall 13 years of IT industry experience as SingleStore(MemSQL)/MySQL/MariaDB/PostgreSQL Database Administration, infrastructure and change Management and performing duties such as automation, deployment, documenting, support, troubleshooting and monitoring in various environments.
Overview
13
13
years of professional experience
Work History
Senior Database Administrator
Zebra Technologies
04.2021 - Current
- Provide DBA support for databases MySQL , MariaDB , Singlestore and PostgreSQL in various environments including development, QA, performance, and production.
- Planning, installation, configuration, management and troubleshooting of Singlestore, MariaDB , MySQL and PostgreSQL databases on Linux.
- Setting up MySQL/MariaDB replications and resynching MariaDB master/slave.
- Database Migrations from VMs to RDS/Azure Managed services.
- Familiar with Backup and recovery of Singlestore/MariaDB/MySQL databases.
- Space management and capacity planning
Disaster recovery analysis and testing on both MySQL and PostgreSQL databases. - Monitored system resources, including memory usage, CPU utilization, and disk space, and took corrective action when needed to maintain optimal performance levels.
Database Engineer /Technical Lead
TATA CONSULTANCY SERVICES Ltd
06.2017 - 08.2020
- Provide technical expertise to design and implement the most efficient and cost-effective solutions for MySQL/MEMSQL based database systems
Improve database standards, operating procedures, engineering patterns and automation. - Proactively and reactively perform analysis, monitoring, troubleshooting and resolution of Level 3 issues (for production databases).
- MemSQL Backup and Recovery and High Availability
Provide DBA support in configuring enterprise monitoring, backup, alerting, and security compliance solutions for databases. - Collaborate closely with other infrastructure engineering, product development, operations to ensure delivery of database services within the SLA's and performance target set.
- Monitored databases and related systems to verify optimized performance.
Technical Project Manager
TATA CONSULTANCY SERVICE Ltd
07.2015 - 06.2017
- Facilitate different project activities and conducting meeting and Scrum ceremonies.
- Tracking minutes of meeting and follow-up on action items.
- Creation of different design document and workflow diagram.
- Tracking project activities using tools like Rally and Jira Documenting application changes and production support runbook for future reference.
- Managing knowledge cases – Oracle technology itself is a vast area and at times, we might have to have direct discussions with oracle engineers for the better understanding on the issue and resolve it appropriately.
- Vendor management – Interactions with other vendors for resolving the high priority issues (Managing and consolidating in JIRA/Confluence)
Arrange sponsorships from other organizations for various TCS charity events. - Learning Coordinator and Social Responsibility official at TCS (West Region, United States of America)
Technical Lead/Database Administrator
TATA CONSULTANCY SERVICE Ltd
01.2012 - 06.2015
- Database maintenance, data migration and data refresh.
- Production database monitoring for size, estimating their growth and taking necessary action to prevent the database from filling up.
- Database performance optimization by performing various health checkup and tuning techniques like increasing buffer hits, optimizing CPU Utilization.
- Performing regular database backups
Monitoring space, wait events, locks and long operations running on the database. - Managing batch processes running against the database, Cron jobs placed within the oracle server.
Audited security integrity for introducing protective improvements.
Education
Bachelor of Technology, Information Technology -
Mahatma Gandhi University
Kerala, India01.2011
Skills
- Database Administration
- Relational Database Management
- Implementing security measures
- Disaster Recovery Planning
Timeline
Senior Database Administrator
Zebra Technologies
04.2021 - Current
Database Engineer /Technical Lead
TATA CONSULTANCY SERVICES Ltd
06.2017 - 08.2020
Technical Project Manager
TATA CONSULTANCY SERVICE Ltd
07.2015 - 06.2017
Technical Lead/Database Administrator
TATA CONSULTANCY SERVICE Ltd
01.2012 - 06.2015
Bachelor of Technology, Information Technology -
Mahatma Gandhi University
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