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Iyyappan Kannappan

@iyyappankannappan

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Results-driven Senior SQL DBA with over 10 years of experience.

United States

Message

What I'm looking for

I am looking for a role that offers opportunities for growth and innovation in database management.

I am a results-driven Senior SQL Database Administrator with over 10 years of experience in designing, managing, and optimizing Microsoft SQL Server databases across various environments, including AWS RDS and multi-datacenter setups. My expertise lies in performance optimization, troubleshooting, and ensuring database health, which has allowed me to achieve a remarkable 99.99% uptime in critical applications.

Throughout my career, I have successfully led numerous projects, including Oracle-to-SQL Server migrations, where I utilized my PL/SQL expertise to ensure minimal downtime and data consistency. I am proficient in implementing robust data security measures and have a deep understanding of database design, clustering, and configuration management, which has significantly enhanced the performance and scalability of the systems I manage.

Experience

Work history, roles, and key accomplishments

Current

Senior SQL DBA

Current

New York Board of Education

Nov 2019 - Present (5 years 8 months)

Designed and implemented SQL Server database structures, optimizing schema design and indexing strategies to enhance performance and scalability for critical educational applications. Monitored and optimized database performance using query estimates, indexing, and T-SQL analysis, identifying and resolving bottlenecks to reduce query response times by 30%.

SQL Server Schema Design Indexing T SQL Performance Optimization Data Security Pl SQL Backup And Recovery

Senior SQL DBA

Verizon

Sep 2018 - Nov 2019 (1 year 2 months)

Managed SQL Server databases in production and development environments on AWS RDS, implementing clustering and SQL versioning to support high-reliability telecommunications systems. Conducted performance optimization through query analysis, indexing, and resource management using T-SQL and SQL Server Profiler, achieving a 25% reduction in query response times.

SQL Server AWS RDS Clustering SQL Versioning Performance Optimization Indexing T SQL Data Security Pl SQL Backup And Recovery Multi Datacenter Replication

Senior SQL DBA

Ramquest

Sep 2015 - Aug 2018 (2 years 11 months)

Designed and implemented SQL Server databases in clustered Linux/VM environments, optimizing schema design and indexing to support analytics workflows. Performed performance optimization using T-SQL, query estimates, and monitoring tools, achieving a 20% improvement in database efficiency through bottleneck resolution.

SQL Server Linux Schema Design Indexing T SQL Performance Optimization Data Security Pl SQL Backup And Recovery

Education

Degrees, certifications, and relevant coursework

Anna University

Bachelor of Technology, Electronics & Communication

Studied Electronics & Communication, gaining foundational knowledge in technology and engineering principles. Developed problem-solving skills applicable to complex technical environments.