Sivakumar M
Chennai
Summary
Accomplished Technical Manager at HCL Technologies with expertise in SQL Server high availability and disaster recovery. Proven track record in optimizing database performance and leading teams to enhance operational efficiency. Skilled in Azure and AWS cloud platforms, with a strong focus on security compliance and effective documentation practices.
Overview
17
17
years of professional experience
Work History
Technical Manager
HCL Technologies
Bangalore
12.2024 - Current
- Domain: Infrastructure Services | Scope: On-Prem + Hybrid (Azure,AWS)
- Key Responsibilities:
- Maintained high availability and reliability of SQL Server infrastructure using Always On, Replication, and Log Shipping.
- Participated in follow-the-sun support model to ensure 24x7 operational coverage for critical systems.
- Designed and implemented scalable, secure database infrastructure aligned with business growth.
- Applied security patches, cumulative updates, and hotfixes to keep environments compliant and secure.
- Attended incident calls and provided root cause analysis within defined SLAs.
- Enforced compliance and security policies; performed audits and access reviews.
- Ensured adherence to enterprise backup and recovery standards; led successful DR drills.
- Authored clear documentation of legacy processes, reducing ambiguity and improving onboarding efficiency.
- Mentored junior DBAs to enhance technical depth and improve team capability.
- Addressed performance issues with immediate fixes and escalated deeper cases to performance tuning team.
- Collaborated with infrastructure and application teams to optimize SQL deployments and storage architecture.
Lead DBA
JEBPO
Bangalore
06.2019 - 12.2024
- Domain: Infrastructure Services | Scope: On-Prem + Hybrid (Azure,AWS)
- Key Responsibilities:
- Maintained high availability and reliability of SQL Server infrastructure using Always On, Replication, and Log Shipping.
- Participated in follow-the-sun support model to ensure 24x7 operational coverage for critical systems.
- Designed and implemented scalable, secure database infrastructure aligned with business growth.
- Applied security patches, cumulative updates, and hotfixes to keep environments compliant and secure.
- Attended incident calls and provided root cause analysis within defined SLAs.
- Enforced compliance and security policies; performed audits and access reviews.
- Ensured adherence to enterprise backup and recovery standards; led successful DR drills.
- Authored clear documentation of legacy processes, reducing ambiguity and improving onboarding efficiency.
- Mentored junior DBAs to enhance technical depth and improve team capability.
- Addressed performance issues with immediate fixes and escalated deeper cases to performance tuning team.
- Collaborated with infrastructure and application teams to optimize SQL deployments and storage architecture.
Lead DBA
Infosys
Bangalore
12.2018 - 06.2019
- Domain: Infrastructure Services | Scope: On-Prem
- Key Responsibilities:
- Maintained high availability and reliability of SQL Server infrastructure using Always On, Replication, and Log Shipping.
- Participated in follow-the-sun support model to ensure 24x7 operational coverage for critical systems.
- Designed and implemented scalable, secure database infrastructure aligned with business growth.
- Applied security patches, cumulative updates, and hotfixes to keep environments compliant and secure.
- Attended incident calls and provided root cause analysis within defined SLAs.
- Enforced compliance and security policies; performed audits and access reviews.
- Ensured adherence to enterprise backup and recovery standards; led successful DR drills.
- Authored clear documentation of legacy processes, reducing ambiguity and improving onboarding efficiency.
- Mentored junior DBAs to enhance technical depth and improve team capability.
- Addressed performance issues with immediate fixes and escalated deeper cases to performance tuning team.
- Collaborated with infrastructure and application teams to optimize SQL deployments and storage architecture.
Senior DBA
Quess Corp
Bangalore
06.2018 - 12.2018
- Domain: Infrastructure Services | Scope: On-Prem
- Key Responsibilities:
- Maintained high availability and reliability of SQL Server infrastructure using Always On, Replication, and Log Shipping.
- Participated in follow-the-sun support model to ensure 24x7 operational coverage for critical systems.
- Designed and implemented scalable, secure database infrastructure aligned with business growth.
- Applied security patches, cumulative updates, and hotfixes to keep environments compliant and secure.
- Attended incident calls and provided root cause analysis within defined SLAs.
- Enforced compliance and security policies; performed audits and access reviews.
- Ensured adherence to enterprise backup and recovery standards; led successful DR drills.
- Authored clear documentation of legacy processes, reducing ambiguity and improving onboarding efficiency.
- Mentored junior DBAs to enhance technical depth and improve team capability.
- Addressed performance issues with immediate fixes and escalated deeper cases to performance tuning team.
- Collaborated with infrastructure and application teams to optimize SQL deployments and storage architecture.
Senior DBA
STG Infotech
Chennai
10.2011 - 06.2018
- Domain: Infrastructure Services | Scope: On-Prem
- Key Responsibilities:
- Maintained high availability and reliability of SQL Server infrastructure using Always On, Replication, and Log Shipping.
- Participated in follow-the-sun support model to ensure 24x7 operational coverage for critical systems.
- Designed and implemented scalable, secure database infrastructure aligned with business growth.
- Applied security patches, cumulative updates, and hotfixes to keep environments compliant and secure.
- Attended incident calls and provided root cause analysis within defined SLAs.
- Enforced compliance and security policies; performed audits and access reviews.
- Ensured adherence to enterprise backup and recovery standards; led successful DR drills.
- Authored clear documentation of legacy processes, reducing ambiguity and improving onboarding efficiency.
- Mentored junior DBAs to enhance technical depth and improve team capability.
- Addressed performance issues with immediate fixes and escalated deeper cases to performance tuning team.
- Collaborated with infrastructure and application teams to optimize SQL deployments and storage architecture.
Senior DBA
Jeevan Technologies
Chennai
03.2008 - 09.2011
- Domain: Infrastructure Services | Scope: On-Prem
- Key Responsibilities:
- Maintained high availability and reliability of SQL Server infrastructure using Always On, Replication, and Log Shipping.
- Participated in follow-the-sun support model to ensure 24x7 operational coverage for critical systems.
- Designed and implemented scalable, secure database infrastructure aligned with business growth.
- Applied security patches, cumulative updates, and hotfixes to keep environments compliant and secure.
- Attended incident calls and provided root cause analysis within defined SLAs.
- Enforced compliance and security policies; performed audits and access reviews.
- Ensured adherence to enterprise backup and recovery standards; led successful DR drills.
- Authored clear documentation of legacy processes, reducing ambiguity and improving onboarding efficiency.
- Mentored junior DBAs to enhance technical depth and improve team capability.
- Addressed performance issues with immediate fixes and escalated deeper cases to performance tuning team.
- Collaborated with infrastructure and application teams to optimize SQL deployments and storage architecture.
Education
Bachelor of Engineering (B.E.) - Electrical, Electronics And Communications Engineering
Periyar University
Salem05-2003
Skills
- Databases: SQL Server 2012/2016/2017/2019/2022
- High Availability: Always On Availability Groups, Transactional Replication, Log Shipping
- Scripting & Automation: PowerShell, DBAtools, TSQL, Net
- Monitoring & Performance: Query Store, SQL Agent, Execution Plan Tuning, SentryOne
- Infrastructure: Windows Server Administration, Storage (SAN/NAS), Cluster Management
- Cloud Platforms: Azure, AWS EC2, AWS RDS
- Others: Backup/Restore Strategy, Security & Compliance Auditing, DR Readiness
- Database management
- Disaster recovery
- Performance tuning
- Documentation practices
- Project management
- Team leadership
- Audit processes
- Root cause analysis
- Continuous deployment
- Software development
Timeline
Technical Manager
HCL Technologies
12.2024 - Current
Lead DBA
JEBPO
06.2019 - 12.2024
Lead DBA
Infosys
12.2018 - 06.2019
Senior DBA
Quess Corp
06.2018 - 12.2018
Senior DBA
STG Infotech
10.2011 - 06.2018
Senior DBA
Jeevan Technologies
03.2008 - 09.2011
Bachelor of Engineering (B.E.) - Electrical, Electronics And Communications Engineering
Periyar University
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