PostgreSQL & Azure Cosmos Database Administrator- Alabang

Hammerjack Pty Ltd; Philippines; On-site; PHP 900,000 - 1,700,000; Full time

Job summary

Hammerjack Pty Ltd is looking for a Database Administrator (DBA) with hands-on PostgreSQL and Azure Cosmos DB experience to support and operate critical database platforms across the enterprise.

You will manage PostgreSQL and Cosmos DB administration, ensure security and auditing, and collaborate with application teams to maintain performance, availability, and compliant data management across environments.

Qualifications

• 4+ years hands-on DBA experience
• PostgreSQL and Azure Cosmos DB in enterprise environments
• Strong SQL and performance tuning skills
• Experience with backup, recovery, replication, and HA
• Knowledge of Azure cloud services

Responsibilities

• PostgreSQL database administration across production and nonproduction environments
• Install, configure, and maintain PostgreSQL databases
• Perform upgrades, patching, migrations per change management
• Monitor health, performance, replication, and capacity
• Troubleshoot performance issues (SQL, locks, indexing, resources)
• Implement and manage high availability and replication configurations
• Support security, auditing, and SOX/SOC requirements
• Partner with application teams on deployments and resilience

Skills

PostgreSQL

Azure Cosmos DB

SQL tuning

Cloud services

Security/compliance

Incident response

Tools

Monitoring tools

Backup & recovery tooling

Job description

Database Administrator (DBA) with hands-on experience in PostgreSQL and Azure Cosmos DB

to support and operate critical database platforms across the enterprise.

Key Responsibilities

• PostgreSQL Database Administration
• Install, configure, and maintain PostgreSQL databases across production and nonproduction environments
• Perform database upgrades, patching, and version migrations in alignment with Voya change management processes
• Monitor database health, performance, replication, and capacity
• Troubleshoot and resolve performance issues related to SQL, locks, indexing, and resource utilization
• Implement and manage
• high availability and replication
• configurations
• Support schema changes and database deployments in partnership with application teams

Azure Cosmos DB Administration

• Administer and support
• Azure Cosmos DB
• (Core SQL API required; other APIs a plus)
• Monitor RU/s, latency, availability, storage, and throughput consumption
• Optimize partitioning strategies, indexing policies, and data models for performance and cost efficiency
• Support backup, restore, and disaster recovery configurations
• Work with application teams to ensure scalable and resilient cloud data architectures
• Enforce secure access patterns using Azure RBAC and Cosmos DB security features

Security, Compliance & Audit Support

• Implement database security best practices to protect
• C3 (Confidential) and C4 (Secret)
• data
• Support
• privileged access controls
• in alignment with Voya standards (e.g., CyberArk)
• Implement and maintain
• database auditing and logging
• to support SOX/MAR, SOC, and internal audit requirements
• Partner with Information Security on riskbased monitoring, logging, and control design
• Assist with audit walkthroughs, evidence requests, and remediation activitiesEnsure consistency between data sensitivity classifications and database security controls

Operations, Resilience & Reliability

• Provide proactive monitoring and alerting for database platforms
• Participate in incident response, root cause analysis, and problem management
• Support disaster recovery planning, execution, and testing
• Maintain operational documentation, standards, and runbooks
• Identify opportunities for automation and operational efficiencies
• Support oncall or escalation rotations as required

Technical Skills

• 4+ years of handson DBA experience supporting
• PostgreSQL
• in enterprise environments
• Handson experience with
• Azure Cosmos DB
• Strong SQL and performance tuning skills
• Experience with database backup, recovery, replication, and high availability
• Working knowledge of Azure cloud services and cloud operating models

Nice to Have

• Automation and scripting experience (Shell, Python, PowerShell)
• Exposure to monitoring and observability tools
• Knowledge of additional database platforms (Oracle, SQL Server, MySQL)