Role PurposeWe are seeking an experienced Senior Database Administrator to take end-to-end ownership of database reliability, availability, performance, security, backup, recovery, and operational standards across Microsoft SQL Server and PostgreSQL environments.
This is a hands-on senior role requiring expertise in designing and building database environments from scratch, implementing high availability and disaster recovery, troubleshooting complex production issues, and establishing consistent database operations across projects.
The successful candidate will lead database architecture, implementation, monitoring, performance optimization, maintenance, production support, and continuous improvement while working closely with clients, infrastructure teams, application teams, and implementation partners.
Key Responsibilities1. SQL Server Architecture and Administration• Design, install, configure, patch, upgrade, and maintain enterprise SQL Server environments across on-premises, virtualized, cloud, and hybrid infrastructures.
• Build database environments from scratch,



including instance configuration, storage, service accounts, security, memory, CPU, tempdb, ports, and operational jobs.
• Design, implement, and troubleshoot Windows Server Failover Clustering (WSFC) and SQL Server Always On Availability Groups.
• Manage availability replicas, synchronization modes, quorum, failover policies, listeners, DNS, IPs, subnets, firewall rules, and application connectivity.
• Design multi-site high-availability and disaster-recovery solutions, including read-only workload routing.
• Perform database health checks, configuration comparisons, controlled failovers, and DR exercises.

2. Performance Monitoring and Optimization• Proactively identify expensive queries, blocking, deadlocks, high CPU/I/O/memory consumption, long-running transactions, and database connectivity issues.
• Use Query Store, execution plans, Extended Events, DMVs, wait statistics, and diagnostic tools

📌 Senior Database Administrator (Chennai)
🏢 ToCumulus
📍 Chennai