On-siteFull Time
Salary
$75 - $82 / hour
Location
Ontario, ON
Posted
Jul 8, 2026
Role overview
Job Summary:
The Senior Database Administrator is responsible for managing and upgrading Oracle database environments as part of a critical evergreening initiative. This role involves overseeing the full technical stack upgrade for business-critical applications, ensuring database performance, security, and compliance with digital and data strategies. The position requires expertise in both cloud and on-premise environments, with a focus on Oracle database administration, migration, and optimization.
Responsibilities:
- Create, implement, and maintain physical database designs and administer DBMS including optimization, capacity planning, installation, migration, performance tuning, backup, and recovery.
- Maintain and monitor Oracle databases (10g, 11g, 12c, 19c, 23c) in large multi-tenant environments.
- Design, build, and configure Oracle Database Servers across Windows, Solaris, and Linux platforms.
- Ensure database security and auditing controls to meet security and privacy requirements.
- Provide technical expertise during design and architecture phases of new solutions.
- Lead enterprise Oracle migration projects to upgrade to version 19c or higher.
- Plan, manage, and coordinate complex system implementations and data refreshes in non-production environments.
- Provide expert support and guidance for production database systems and troubleshoot complex database issues.
- Support and maintain databases in both cloud (GoCloud) and on-premise environments.
- Implement advanced Oracle features such as TDE, Data Guard, RAC, OMS, and OEM 13c.
- Manage replicated database environments and migrations.
- Document technical work to facilitate knowledge transfer.
- Identify, analyze, and communicate technical risks and provide mitigation strategies.
- Communicate effectively to address complex business and technical challenges.
Required Skills & Certifications:
- Minimum 10+ years experience in database analysis or related IT roles.
- Proficiency with Oracle database versions 10g, 11g, 12c, 19c, and 23c.
- Experience with database optimization, capacity planning, installation, migration, performance tuning, backup, and recovery.
- Experience in cloud and on-premise database environments.
- Strong knowledge of database security and auditing practices.
- Experience with incident, change, and configuration management procedures.
- Proficiency in one or more operating systems (Windows, Solaris, Linux).
- Experience with one or more programming languages and query languages.
- Excellent analytical, problem-solving, communication, and interpersonal skills.
- Ability to work effectively as part of a team and meet deadlines.
Preferred Skills & Certifications:
- Experience with distributed data systems, middleware, and gateways.
- Knowledge of cybersecurity vulnerability remediation.
- Experience with Computer Aided Software Engineering (CASE) tools.
- Knowledge of information management principles, policies, and practices.
- Expertise in data warehouse design and Oracle OBIEE.
- Experience with case management and ERP systems, including automated data distribution mechanisms.
- Understanding of object-oriented analysis and design techniques.
- Familiarity with Ontario Government Enterprise Architecture processes.
- Experience in impact analysis, implementation planning, and patch management.
- Knowledge transfer and documentation skills.
Special Considerations:
- Must participate in ongoing knowledge transfer sessions and document all technical work comprehensively.
- Work involves upgrading end-of-life Oracle databases to newer supported versions in compliance with security and privacy standards.
- Role requires coordination of complex system implementations in both cloud and on-premise environments.
- Strong emphasis on security, compliance, and risk mitigation throughout database lifecycle.
Scheduling:
- Standard work schedule with potential requirements for coordination across multiple environments.
- Remote work capability with adherence to project deadlines and milestones.