Summary
Overview
Work History
Education
Skills
Timeline
Generic

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
2021.04 - 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
2017.06 - 2020.08


  • 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
2015.07 - 2017.06
  • 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
2012.01 - 2015.06


  • 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, India
01.2011

Skills

  • Database Administration
  • Relational Database Management
  • Implementing security measures
  • Disaster Recovery Planning

Timeline

Senior Database Administrator

Zebra Technologies
2021.04 - Current

Database Engineer /Technical Lead

TATA CONSULTANCY SERVICES Ltd
2017.06 - 2020.08

Technical Project Manager

TATA CONSULTANCY SERVICE Ltd
2015.07 - 2017.06

Technical Lead/Database Administrator

TATA CONSULTANCY SERVICE Ltd
2012.01 - 2015.06

Bachelor of Technology, Information Technology -

Mahatma Gandhi University
Sreejith Raghunath