Senior DBA

Job Purpose

• Lead database operations for Humanica's HR SaaS platform managing SQL Server and PostgreSQL across hybrid cloud environment
• Address critical database performance issues and establish reliable database operations
• Build and mentor database team from ground up
• Support migration strategy from SQL Server to PostgreSQL

Principle Responsibilities

• Manage SQL Server and PostgreSQL databases across hybrid cloud environment (Huawei Cloud, AWS)
• Resolve critical performance issues: slow queries, missing indexes, blocking, deadlocks
• Establish database monitoring and alerting integrated with Prometheus/Grafana
• Lead incident response for P0/P1 database incidents and conduct root cause analysis
• • Build comprehensive runbooks and operational documentation
• Implement automated health checks, alerting, and self-healing capabilities
• Create database provisioning standards for multi-tenant architecture
• Support migration strategy from SQL Server to PostgreSQL
• Build and mentor DBA team (hire and onboard 1-2 DBAs)
• Ensure 99.9% database uptime and performance SLAs
• Manage backup/recovery, high availability, and disaster recovery
• Ensure PDPA compliance and data protection standards
• Collaborate with development teams on database design and optimization

Qualification:

• Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or related fiel, Master's degree is a plus
• 5+ years SQL Server administration in production, multi-tenant environments
• Expert in query optimization, indexing strategies, execution plans, T-SQL
• Database monitoring tools (Prometheus, Grafana) and observability
• Backup/recovery, high availability, disaster recovery
• Crisis management, incident response, and root cause analysis
• Team building and mentorship experience
• Strong problem-solving and communication skills

Preferred:

• PostgreSQL administration
• Kubernetes database operations
• Multi-cloud (AWS, Huawei Cloud)
• GitOps, CI/CD for databases
• PDPA compliance knowledge
• Scripting (Python, Bash, PowerShell)