Database Administrator - Senior

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Ref: RQ11214 Contract – 8 Months (Extension Possible) Remote – Anywhere in Ontario
Posted Date: 2026-06-30
Location: Remote – Anywhere in Ontario
Public Sector Experience: Required – OPS / Public Sector
Contract End Date: 2027-03-31 *
Rate: $86/hour
Overview
The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior Database Administrator to support the Solaris Evergreening Project within the Land & Resources Cluster. This time-sensitive, high-priority initiative focuses on migrating Oracle databases off end-of-life Solaris infrastructure onto supported platforms, with upgrades to the latest Oracle versions where applicable. The successful consultant will bring deep Oracle DBA expertise to ensure a secure, performant, and seamless transition with zero new application development.
Key Responsibilities
Create and implement physical database designs; administer and operate the database management system (DBMS) including optimization, capacity planning, installation, migration, performance tuning, and backup and recovery
Maintain and monitor Oracle 10g, 11g, 12c, and 19c databases across large multi-tenant environments, including administration, maintenance, optimization, and fine-tuning
Design, build, and configure Oracle Database Servers on Windows, Solaris, and Linux platforms
Ensure existing databases (including SIEBEL, Java, ArcGIS, and APEX) meet performance requirements on Oracle infrastructure
Ensure all deployed databases are secure and that appropriate security and auditing controls are in place to satisfy security and privacy requirements
Lead and design solutions for the enterprise Oracle migration project, targeting Oracle 19c or higher
Plan, manage, and coordinate implementation of technically advanced, complex systems and assist with data refreshes to lower non-production environments
Provide database administration technical expertise during design and architecture phases
Provide expert support and guidance for production database systems, overseeing deployment and evaluation of complex Oracle databases in GoCloud and on-premise environments
Assist with implementing TDE, Dataguard, RAC, OMS, and OEM 13c technologies
Identify, analyze, prioritize, and communicate technical risks; provide recommendations and mitigation strategies to decision makers
Document technical work thoroughly to enable knowledge transfer to colleagues and ministry staff
Must-Have Requirements
Minimum 10+ years of experience as a Database Administrator or in related IT roles
Hands-on experience with Oracle database optimization, capacity planning, installation, migration, performance tuning, and backup and recovery
Experience maintaining and monitoring Oracle 10g, 11g, 12c, and 19c databases in large multi-tenant environments
Experience migrating from end-of-life Oracle databases to the latest supported versions in both on-premise and cloud data centres
Experience with Oracle Database Server configuration on Windows, Solaris, and Linux operating systems
Experience ensuring database security and implementing appropriate auditing controls to meet security and privacy requirements
Experience with Incident, Change, and Configuration Management procedures
Experience monitoring and enforcing database rules and standards
Experience with one or more programming languages and proficiency with query languages and information retrieval packages
Excellent analytical, problem-solving, and decision-making skills with strong verbal and written communication abilities
Proven track record as a team player with ability to meet deadlines in complex, high-priority environments
Nice-to-Have Skills
Experience with distributed data systems and middleware/gateway technologies
Experience researching and implementing cybersecurity vulnerability remediations
Awareness of emerging IT trends and directions
Experience with Computer Aided Software Engineering (CASE) tools
Knowledge of Information Management principles, concepts, policies, and practices
Additional Oracle DBA skills including Oracle OBIEE and data warehouse/data mart design
Subject matter expertise in data warehouse or data mart database design
Experience with installation, configuration, maintenance, upgrade, and cloning of Oracle technology stacks
Experience in designing and developing automated data distribution mechanisms for Case Management or ERP environments
Knowledge of object-oriented analysis and design techniques
Experience developing enterprise architecture deliverables including models
Knowledge of Ontario Government Enterprise Architecture processes and practices
Experience with impact analysis, implementation planning, and application of technology patches, maintenance packs, and releases
Experience with database administration vendor support services
Work Environment
This is a fully remote position open to candidates located anywhere in Ontario. No security clearance is required. The role operates within the Land & Resources Cluster under the Ministry of Public and Business Service Delivery and Procurement, contributing to a high-priority FY26/27 operating plan deliverable. Consultants are expected to collaborate closely with ministry staff throughout the engagement.
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Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.

Work arrangement
Yes