Oracle DBA with AWS RDS

Toronto, ON

Hybrid - 2 days per week in office

Skills: Digital : Python~Digital : Amazon Web Service(AWS) Cloud Computing~Oracle DBA

Experience Required: 6-8 Years

Role Descriptions

We are looking for an experienced Oracle DBA to ensure the reliability, performance, and security of mission-critical Oracle databases, along with an AWS-focused DBA to manage and optimize Amazon RDS (Oracle/PostgreSQL/MSSQL) and Amazon Redshift clusters, with a strong focus on Infrastructure as Code using AWS CDK.

Solid hands-on with Oracle 19c, RAC, Data Guard, RMAN, ASM, OEM.

Expert-level performance tuning (SQL & instance), AWR/ASH analysis, wait events.

Provision and manage RDS instances/clusters (instance classes, storage autoscaling, Multi-AZ, parameter/subnet groups).

Govern backup/restore (automated backups, snapshots), encryption (KMS), patching, and minor/major version upgrades.

Implement monitoring/alerting via CloudWatch, Performance Insights, Enhanced Monitoring; tune connections/queries.

Cost management: right-sizing,



storage management, Reserved/Compute Savings Plans advisory.

Design and operate Redshift clusters; configure WLM, concurrency scaling, queue management.

Optimize schema (distribution/sort keys), VACUUM/ANALYZE, query tuning; workload isolation.

Build CI/CD pipelines (CodePipeline/GitHub Actions) to deploy CDK apps; manage environments (dev/qa/uat/prod).

Implement high availability (Multi-AZ for RDS, cross-region snapshots as needed).

Qualifications (Required)

4–7+ years as a Oracle DBA with 3+ years on AWS data services.

Hands-on with Amazon RDS (Oracle/PostgreSQL/MSSQL) and Amazon Redshift administration.

Expertise in monitoring (CloudWatch, Performance Insights), performance tuning, and cost optimization.

At least one certification in Oracle (OCP) and one in AWS.

Proficiency with AWS CDK (TypeScript or Python), CloudFormation, and CI/CD pipelines.

📌 Oracle DBA with AWS RDS (Toronto)
🏢 Astra North Infoteck
📍 Toronto