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Quantum World Technologies Inc.

Senior Oracle DBA

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Dec 3, 2026
Experience: 8–10 years of Oracle Database Administration experience.
Posting language: English
Posted: Nov 3, 2026

Original job description

Required Skills:

8–10 years of Oracle Database Administration experience.
Strong expertise in Oracle Database 12c/19c+ and Oracle Application DBA.
Advanced PL/SQL development, schema design, execution plan analysis, and performance tuning (AWR, ASH, ADDM).
Experience with AWS RDS (Oracle/PostgreSQL) and Amazon Aurora.
Hands-on experience with PostgreSQL architecture, schema design, and performance optimization.
Proven experience migrating on-premises databases to AWS using AWS DMS, SCT, or native migration tools.
CI/CD integration for database deployments and Agile environments.
Production support, troubleshooting, capacity planning, disaster recovery, and offshore team collaboration.

Preferred Skills:

Oracle Exadata administration and performance tuning.
Bash and Python scripting for automation.
AWS Database Specialty or Oracle certifications.

Top 3 Must-Have Skills:

Oracle Database Administration (12c/19c+) with advanced PL/SQL and performance tuning.
AWS cloud database administration and on-premises to AWS migration experience.
Hands-on PostgreSQL administration and performance optimization.

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More about this job

Responsibilities

Administer and optimize Oracle and PostgreSQL databases, including performance tuning, production troubleshooting, capacity planning, and disaster recovery. Migrate on-premises databases to AWS, support CI/CD database deployments, and collaborate with offshore teams in Agile environments.

Requirements

Requires 8–10 years of Oracle database administration experience, advanced PL/SQL and performance-tuning expertise, and hands-on PostgreSQL administration. Candidates should also have AWS database administration and migration experience; Oracle Exadata, scripting, and relevant AWS or Oracle certifications are preferred.

Skills

Oracle Database Administration
Oracle Database 12c/19c+
Oracle Application DBA
PL/SQL
Schema Design
Performance Tuning
AWR, ASH, and ADDM
AWS RDS
Amazon Aurora
PostgreSQL Administration
AWS Database Migration
AWS DMS
AWS SCT
CI/CD
Production Support
Disaster Recovery

Visa sponsorship

Not detected in the job text

Keywords

Oracle Database Administration
Oracle Database 12c
Oracle Database 19c
Oracle Application DBA
PL/SQL
Schema Design
Execution Plan Analysis
Performance Tuning
AWR
ASH
ADDM
AWS RDS
Amazon Aurora
PostgreSQL
AWS DMS
AWS SCT
Database Migration
CI/CD
Agile
Production Support
Capacity Planning
Disaster Recovery
Oracle Exadata
Bash
Python
AWS Database Specialty
Oracle Certifications
Offshore Team Collaboration

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