This is a remote position.
Position: Senior Oracle DBA
Location: Anywhere in Ontario (remote)
Job ID#: RQ11214
Duration: 8 Months
Role Overview
This role focuses on supporting a large-scale database migration and modernization initiative. The primary objective is to transition enterprise databases from legacy infrastructure to modern, supported platforms while upgrading Oracle database versions and ensuring system security, stability, and performance. This is a high-priority, time-sensitive initiative with no new application development—purely infrastructure and database-focused transformation.
Key Responsibilities
Design, implement, and manage physical database architectures and DBMS environments
Perform database optimization, capacity planning, migrations, installations, and performance tuning
Administer and maintain Oracle databases (10g, 11g, 12c, 19c) in large multi-tenant environments
Design, build, and configure Oracle database servers across Windows, Linux, and Unix-based systems
Lead and support enterprise Oracle database migrations to newer versions (19c or higher)
Ensure database performance for enterprise applications (e.g., GIS, Java, and web-based systems)
Implement and maintain database security, auditing, and compliance controls
Support both cloud-based and on-premise database environments
Configure and manage advanced Oracle features (e.g., Data Guard, RAC, TDE, OEM)
Perform backup/recovery planning and execution
Troubleshoot complex database issues and provide expert-level support
Conduct systems analysis and contribute to technical solution design
Coordinate implementation of complex systems and assist with data refresh activities
Identify, assess, and communicate technical risks and mitigation strategies
Document technical work and ensure effective knowledge transfer
Qualifications
Experience Requirements
10+ years of experience in Database Administration or related IT roles
Strong experience with Oracle database technologies across multiple versions
Expertise in database optimization, migration, performance tuning, and backup/recovery
Experience working with multiple operating systems (Windows, Linux, Unix)
Experience with SQL and query languages
Familiarity with incident, change, and configuration management processes
Strong analytical, problem-solving, and decision-making skills
Effective verbal, written, and interpersonal communication skills
Proven ability to meet deadlines and collaborate within a team
Desirable Skills
Experience with distributed systems, middleware, and data integration
Knowledge of cybersecurity practices and vulnerability remediation
Experience with data warehousing (e.g., Oracle OBIEE)
Understanding of enterprise architecture methodologies and tools
Knowledge of information management principles and practices
Experience with ERP or case management systems
Familiarity with patching, release management, and system upgrades
Knowledge Transfer
Participate in regular knowledge transfer sessions with internal teams
Deliver complete documentation and technical artifacts
Ensure proper handover of all work to designated stakeholders
Evaluation Criteria
Database Analysis & Implementation (50%)
Extensive hands-on Oracle database experience (10+ years)
Proven experience with database optimization, migration, and performance tuning
Experience managing multi-version Oracle environments
Demonstrated success in database migrations to modern platforms
Technical Delivery (20%)
Experience implementing complex systems and performing impact analysis
Strong coordination, planning, and system design capabilities
Knowledge of distributed systems and emerging technology trends
Communication & Collaboration (30%)
Ability to document technical work for knowledge transfer
Strong communication of complex technical topics
Proven collaboration and teamwork skills
Must-Have Skills
End-to-end database administration (design, optimization, migration, performance tuning)
Oracle database expertise (10g–19c+) in enterprise environments
Experience with large-scale Oracle migration initiatives
Multi-platform database server configuration (Windows/Linux/Unix)
Advanced database troubleshooting and systems analysis
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