Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic
Senthil Kumar N

Senthil Kumar N

Chennai

Summary

Results-oriented Associate Manager Cloud Engineering with expertise in cloud database administration across Azure SQL, SQL Server, PostgreSQL, and MySQL. Led database performance optimisation and high availability strategies through disaster recovery planning and capacity management. Spearheaded on-premises to cloud migrations while implementing security frameworks. Automated DBA tasks to reduce deployment time and effort, while mentoring teams to enhance platform performance.

Overview

2
2
Languages
1
1
Certification
22
22
years of professional experience

Work History

Associate Manager Cloud Engineering Database Specialist

DXC TECHNOLOGY INDIA PRIVATE LIMITED
12.2013 - Current
  • Administrator cloud databases (Azure SQL, SQL Server on VM, PostgreSQL, MySQL, Mongodb,AWS RDS, etc.)
  • Monitor database performance, availability, and capacity
  • Perform backup, restore, and disaster recovery operations.
  • Implement and maintain security controls (access, encryption, auditing)
  • Troubleshoot performance, connectivity, and replication issues.
  • Support database upgrades, patching, and maintenance windows
  • Work with application teams on performance tuning and schema changes.
  • Automate routine DBA tasks using scripts and cloud-native tools
  • Maintain operational documentation and standard operating procedures.
  • Design end-to-end cloud database architectures for new and existing systems
  • Select appropriate database technologies (RDBMS, NoSQL, analytics).
  • Define high availability, disaster recovery, and multi-region strategies
  • Lead on‑prem to cloud database migrations and modernization initiatives.
  • Establish database security, compliance, and governance frameworks
  • Drive performance optimization and scalability strategy at platform level.
  • Optimize database costs through right-sizing, storage tiers, and licensing models
  • Define automation and Infrastructure‑as‑Code standards for database platforms.
  • Mentor DBAs and guide application teams on database best practices.
  • Collaborate with cloud architects, security teams, and business stakeholders.
  • Facilitated the merger process between Hewlett Packard Enterprise and Computer Sciences Corporation, ensuring smooth integration of operations.
  • Strong experience with relational databases (SQL Server, Oracle, PostgreSQL, MySQL)
  • Hands-on experience with cloud platform (Azure / AWS / OCI)
  • Knowledge of HA/DR concepts (replication, failover, backups)
  • Experience with monitoring tools Prometheus, Percona, DPSPI, DYNATRACE, SM9, SA, HPOO, HPSA, MFSA and alerts
  • Performed basic scripting using PowerShell, Bash, and Python to automate routine tasks and improve efficiency.
  • Understanding of cloud security best practices.
  • Acted as Cloud DBA in VPC managed databases, automating MSSQL/Oracle installation and patching (standalone and cluster).
  • Implemented standard configuration and latest SP by default, enhancing system stability.
  • Configured monitoring and backup scripts, achieving 99.99% database availability.
  • Managed priority tickets based on impact and urgency, resolving 95% of P1 incidents within SLA.
  • Administered and managed RAC clusters and databases, reducing failover time by 25%.
  • Applied QFSDP patch to Exadata cells and compute nodes quarterly, maintaining compliance and security standards.
  • Controlled migrations of programs, database changes, reference data changes, and menu changes through the development lifecycle, ensuring zero data loss.
  • Implemented and enforced security for all Oracle Databases, mitigating potential security breaches by 15%.
  • Performed database re-organisations to enhance performance and maximize database uptime.
  • Installed & configured OMS Server & Repository Database (Oracle 13c OEM CONFIGURATION), and targets agent Installation using Non GUI Method (Silent Mode).
  • Troubleshooted problems regarding databases, applications, and development tools, reducing resolution time by 20%.
  • Handled tickets as per the defined SLA, achieving a 98% SLA adherence rate.
  • Managed multiple projects, including Oracle 12c OEM setup in cloud (OMS/AGENT & DG Broker Configuration), Oracle 11g R2 Grid & RDBMS upgrade, and SAP Buddle Patch, OPatch, PSU patch set for every quarter on RAC Environment.
  • Provided on-call support to the client, monitoring all open issues and providing MIS and SMR to Management, improving client satisfaction by 10%.

Team Lead ORACLE DBA

TCS LTD
03.2012 - 11.2013
  • Led team of DBAs supporting Oracle 9i/10g/11g databases for PeopleSoft, ORACLE RETAIL EMBARK, FUSION, and CRM applications in high-availability environment, enhancing system reliability.
  • Managed Oracle 11g RAC release 2 databases and implemented Oracle GoldenGate (OGG) for data replication from PROD to DEV, ensuring data consistency and minimising downtime.
  • Ensured adherence to ITIL processes, resulting in 15% improvement in service delivery efficiency.
  • Provided telecommunication services at Telefonica in Spain

Team Lead ORACLE DBA

TCS LTD
03.2012 - 11.2013
  • Managed Oracle 9i/10g/11g databases for PeopleSoft, ORACLE RETAIL EMBARK, FUSION, and CRM applications supporting 2500+ branches across the US, enhancing system reliability.
  • Oversaw database operations in US Sandino California data centre and DR site, maintaining business continuity during critical incidents.
  • Implemented Disaster Recovery strategies, reducing recovery time by 30%.
  • Managed inventory of animal supplies at Petco, optimising stock availability and maintaining product quality standards.

Sr. Engineer – DBA (Team Lead on Onsite DBA)

WIPRO INFOTECH LTD
10.2010 - 03.2012
  • Led a team of DBAs supporting Oracle 9i/10g/11g/12c databases for Flex cube application across 310 branches in India.
  • Managed RAC environment for FCC, FCR, FCD, FCAT, FRS, LVBATMDB, PDONDS, PIDB, PIHIST, SFMS, NEFT databases to ensure high availability and reliability across operations.
  • Handled 350 branch server databases, optimising performance and availability to support business continuity.
  • Implemented Data Guard for FCD, maintaining standby database at DR site in Bangalore to enhance disaster recovery capabilities.
  • Reduced database-related incidents by 20% through proactive monitoring and performance tuning.
  • Lakshmi Vilas Bank

ORACLE & Mysql DBA

AIR2WEB INDIA PVT LTD
05.2007 - 10.2010
  • Managed high availability master-master and master-slave replication environments to ensure robust data consistency and reliability.
  • Provided 24x7 support for database-related issues, resolving 95% of incidents within SLA.
  • Tuned queries and tables, improving database performance by 30%.
  • Utilized tools such as Percona tools, MySQL tuner, ipcentre (ticketing tool), and Xtrabackup.
  • Created shell scripts for monitoring various database thresholds and taking backups, automating routine tasks and reducing manual effort by 40%.
  • Upgraded MySQL older versions and installed Percona server.
  • Coordinated customer implementation and bridge calls, facilitating effective communication and support during service delivery.

Job Title

Lambent Soft Systems
09.2005 - 05.2007
  • Delivered DBA support for clients including WHEELS INDIA LIMITED (TVS Groups), Tube Investment of India Ltd (Murugappa group), GMAC Financial Services, and Sundaram Medical Foundation, enhancing database management and client satisfaction.
  • Managed Oracle 8i/9i/10g databases across Linux and Windows server environments, ensuring optimal performance and reliability.
  • Operated under the name On Spec Technologies

System Engineer

MDS Private Ltd
07.2004 - 08.2005
  • Provided system engineering support to enhance project development processes
  • Coordinated with stakeholders to gather requirements and translate them into functional system specifications.
  • Analysed user feedback to continuously refine systems, improving user satisfaction and engagement.
  • Delivered technical training sessions for staff, enhancing team competence in system operations and maintenance.

Education

BSC -

A.V.C.College
Mayiladuthurai, India
05-2023

MCA -

Bharathidasan University
Trichy, India
05-2023

Skills

  • Oracle DBA Exadata GG
  • Oracle Cloud Migration ODA
  • Supercluster Database Administration
  • Capacity planning
  • Disaster Recovery planning
  • High Availability
  • Load Balancing
  • Vendor management
  • Contract Management
  • Installation
  • Migration
  • Shell Scripting
  • Development Support
  • Production Support
  • Performance Tuning
  • Troubleshooting
  • Backup and Recovery
  • RHEL
  • HP
  • IBM- AIX
  • NT Technology
  • Solaris
  • SunOS
  • MYSQL
  • MSSQL
  • TERADATA
  • NETEZZA
  • OGG
  • ExaData Super Cluster
  • Oracle Data Appliance
  • Strong experience with relational databases
  • Hands-on experience with cloud platforms
  • Knowledge of HA/DR concepts
  • Experience with monitoring tools
  • Basic scripting
  • Understanding of cloud security best practices
  • SQL
  • Plus
  • PL/Sql
  • Oracle 9iAS
  • Oracle 10g
  • Oracle Portal
  • Oracle XML DB 9i
  • Apache
  • Jakarta-tomcat
  • Jboss
  • Developer 2000
  • Sql Loader
  • Export
  • Import
  • Expdp
  • Impdp
  • Data Guard
  • VERITAS Net Backup for Oracle
  • Tivoli Backup
  • RMAN
  • Oracle Replication
  • Oracle Enterprise Manager
  • TKPROF
  • UTLBSTAT
  • UTLESTAT
  • STATSPACK
  • Toad
  • Quest SQL Navigator
  • SQL Lab
  • Sql Developer
  • Space Manager
  • Spotlight
  • Exceed
  • Terraform
  • Ansible
  • Cloud Security
  • Infrastructure as Code
  • DevOps
  • Problem-solving
  • Communication
  • Team Leadership
  • Database administration
  • Cloud architecture
  • Database security
  • Performance tuning
  • Cloud migration
  • Disaster recovery

Certification

  • Oracle Cloud & AWS Cloud, AZURE, Computer Science Corporation Training, 2017-01-01
  • PostgreSQL Advanced V16 Certification Exam, 2026-06-11
  • MongoDB Database administration certification exam 2026-08-16
  • DP-700 Microsoft Certified – Fabric Data Engineer Associate, 2026-06-25
  • AZ-400: Designing and Implementing Microsoft DevOps Solutions, 2026-01-30
  • AZ-305: Designing Microsoft Azure Infrastructure Solutions, 2026-01-29
  • AZ-500: Microsoft Certified: Azure Security Engineer Associate, 2026-01-28
  • Microsoft Certified Azure Database Administrator Associate, 2026-01-01
  • Oracle Cloud Infrastructure 2025 Certified Generative AI Professional, 2025-09-09
  • Oracle Cloud Infrastructure 2025 Certified Data Science Professional, 2025-09-03
  • Oracle Cloud Infrastructure 2025 Certified AI Foundations Associate, 2025-06-11
  • Oracle Data Platform 2025 Certified Foundations Associate, 2025-05-14
  • Oracle Cloud Infrastructure 2025 Certified Foundations Associate, 2025-05-13
  • 1Z0-1072-24 Oracle Cloud Infrastructure 2024 Architect Associate, 2024-12-01
  • 1Z0-1194-24 Oracle Cloud Database 2024 Migration Professional, 2024-12-01
  • AWS Certified Solutions Architect – Associate, 2025-01-01
  • AWS Certified Cloud Practitioner, 2021-01-01
  • Oracle GoldenGate 12c Certified Implementation Specialist, 2017-01-01
  • Oracle Autonomous Database Cloud 2019 Certified Specialist, 2019-01-01
  • Oracle Cloud Infrastructure 2023 Certified Foundations Associate, 2023-01-01
  • Oracle Cloud Infrastructure 2019 Architect Professional, 2019-01-01
  • Oracle 9i & 12c OCP, Sql Star International, 2005-01-01
  • Mysql DBA, Air2web Third party Training, 2008-01-01
  • Oracle 10G RAC/PT, Wipro, 2011-01-01
  • Oracle 11G RAC, Tcs Third party Training, 2012-01-01
  • Oracle Golden Gate/Data Guard, Tcs Third party Training, 2012-01-01
  • TERA DATA, Tcs Third party Training, 2013-01-01
  • Oracle EXADATA, Tcs Third party Training, 2013-01-01
  • ITIL III / PMP Training, Tcs Third party Training, 2013-01-01
  • Mysql 5.1.6 DBA, Computer Science Corporation Training, 2015-01-01
  • Oracle 12c Basic Administration, Data Guard, Computer Science Corporation Training, 2014-01-01
  • Mongo DB Basic/Adv Admin 102/202 Mongo Certified, Computer Science Corporation Training, 2014-01-01

Languages

English
Tamil

Timeline

Associate Manager Cloud Engineering Database Specialist

DXC TECHNOLOGY INDIA PRIVATE LIMITED
12.2013 - Current

Team Lead ORACLE DBA

TCS LTD
03.2012 - 11.2013

Team Lead ORACLE DBA

TCS LTD
03.2012 - 11.2013

Sr. Engineer – DBA (Team Lead on Onsite DBA)

WIPRO INFOTECH LTD
10.2010 - 03.2012

ORACLE & Mysql DBA

AIR2WEB INDIA PVT LTD
05.2007 - 10.2010

Job Title

Lambent Soft Systems
09.2005 - 05.2007

System Engineer

MDS Private Ltd
07.2004 - 08.2005

BSC -

A.V.C.College

MCA -

Bharathidasan University

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