Senior Database Administrator

Scotiabank • Toronto, ON

2d • Onsite

About The Position

The Senior Database Administrator is responsible for the design, implementation, operation, and optimization of enterprise database platforms, including Redis, PostgreSQL (on-premise and GCP CloudSQL), and MongoDB (on-premise and Atlas). The role ensures high availability, performance, scalability, and security of database environments supporting mission-critical banking applications across on-premise and cloud (GCP) platforms.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience)
• 8–10+ years of database administration experience
• Proven experience managing multiple database technologies (Redis, PostgreSQL, MongoDB)
• Experience working in cloud environments (GCP CloudSQL preferred)
• Experience with mission-critical, high-availability environments
• Redis - Data structures, clustering, performance tuning
• PostgreSQL - Replication, HA, performance tuning, database upgrades
• MongoDB - Replica sets, sharding, Atlas deployments
• Cloud Platforms - GCP CloudSQL (PostgreSQL), hybrid deployments
• Operating Systems & Tools - Linux (RHEL/Unix), Scripting: Shell/Python, Monitoring and observability tools

Responsibilities

• Administer and support: Redis (standalone, clustered, enterprise, cloud), PostgreSQL (on-premise and GCP CloudSQL), MongoDB (on-premise and MongoDB Atlas)
• Deploy, configure, and maintain database environments across hybrid (cloud + on-premise) platforms
• Perform installations, upgrades, migrations, and decommissioning of database platforms
• Deploy and manage Redis environments supporting real-time and high-performance applications
• Troubleshoot Redis-related issues and support application teams in resolving database bottlenecks
• Ensure optimal performance, reliability, and scalability of Redis clusters
• Manage and operate GCP CloudSQL PostgreSQL instances, including provisioning and lifecycle management
• Support cloud adoption initiatives and migration from on-premise databases to GCP
• Maintain consistency and reliability across hybrid database environments
• Design and implement PostgreSQL clusters with replication and high availability setups
• Perform performance tuning, query optimization, and database capacity planning
• Manage PostgreSQL upgrades, patching, and migrations across environments
• Independently manage MongoDB installations in Linux and cloud (GCP/Atlas) environments
• Implement replica sets and sharded clusters across multi-data center deployments
• Ensure security, backup/recovery, and compliance standards are met
• Monitor database performance across all platforms and environments
• Conduct capacity planning and forecasting to support business growth
• Identify and resolve performance bottlenecks
• Performance tuning, capacity planning and monitoring
• Design and maintain HA architectures (replication, clustering, failover mechanisms)
• Implement and test backup, restore, and disaster recovery processes
• Ensure compliance with RTO/RPO requirements
• DR/HA support with backup, recovery and failover/failback
• Provide DBA support for development and implementation projects
• Support database setup, migration, testing, and production go-live activities
• Collaborate with application teams to improve database performance and design
• Automate routine DBA activities using scripting (Python, Shell, etc.)
• Improve monitoring, alerting, and operational efficiency
• Contribute to continuous improvement of database platform standards
• Ensure adherence to Bank security policies and database standards
• Implement access controls, encryption, and audit mechanisms
• Follow change management and operational governance processes
• Support hundreds of database instances across multiple platforms (Redis, PostgreSQL, MongoDB)
• Operate in a multi-region environment (Canada / LATAM / Cloud)
• Work as part of a distributed DBA team across regions

Benefits

• Upskilling through online courses, cross-functional development opportunities, and tuition assistance.
• Competitive Rewards program including bonus, flexible vacation, personal, sick days and benefits will start on day one.
• Free tea & coffee, universal washrooms, and lots of space for team collaboration.
• Opportunities for community engagement & belonging with our various programs.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior