SG

Sivakumar Gandhirajan

Database Engineering Leader | Multi‑Cloud | HA/DR, Hybrid Governance, and AI‑enabled Data Platforms

Azure Database Administrator Google Cybersecurity Professional MongoDB Atlas Admin
Azure Admin AssociateAzure AI FundamentalsSnowPro Associate

Database Engineer

  • Modernized 30+ SQL servers/400+ DBs to SQL Server 2022; Always On AG, TDE, TLS 1.2+; >$70K/year savings.
  • Migrated a 5-node MariaDB Galera cluster to AWS RDS via Terraform; low-downtime cutover; ~$35K/year cost reduction.
  • Enabled hybrid governance with Azure Arc (ATP, Vulnerability Assessment, best-practice checks) across on‑prem DBs.
  • Architected Azure PostgreSQL Hyperscale (Citus) MPP for geospatial analytics; ARM-provisioned and tuned for bursty workloads.

Recent Impact

SQL Server modernization
HA/DRCost savings
30+ servers / 400+ DBs

Upgraded to SQL Server 2022 with Always On AG, TDE, TLS 1.2+; improved RTO/RPO and unlocked >$70K/year savings.

MariaDB to AWS RDS
IaCMigration
~$35K/year savings

Terraform-orchestrated migration from 5-node Galera to managed RDS; low-downtime cutover and automated operations.

Hybrid governance via Arc
GovernanceSecurity
ATP + VA enforced

Centralized Defender/ATP and Vulnerability Assessment across on-prem DBs with Azure Arc for secure posture.

Azure Postgres Hyperscale
AnalyticsPerformance
Geospatial MPP

Provisioned Citus for bursty analytics; ARM-based deployment and tuning for risk modeling workloads.

Let's Connect

Open to discussing database architecture, AI engineering, or new opportunities.

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