Database Administrator - Senior

Job Title: Database Administrator - Senior
Location: Anywhere in Ontario
Work Model: Remote
Pay Rate: CAD 80/hour

Description / Responsibilities / Skills

Must Have

• 10+ years of database administration experience
• Experience with Oracle databases (10g, 11g, 12c, 19c) in large multi-tenant environments
• Experience with DBMS operations (design, installation, migration, performance tuning, backup and recovery)
• Experience leading Oracle database migration projects (to 19c or higher)
• Experience configuring Oracle DB servers on Solaris, Linux, Windows
• Strong database optimization and capacity planning experience

Description

Project Description

• Solaris Evergreening project to migrate Oracle databases off Solaris OS
• Re-host databases to supported infrastructure and upgrade Oracle versions
• Decommission legacy Solaris systems to eliminate risk
• No application changes — strictly infrastructure and database migration

Responsibilities

• Design and administer database solutions (optimization, migration, recovery, tuning)
• Maintain and monitor Oracle databases across multiple versions
• Configure database servers across OS platforms (Solaris, Linux, Windows)
• Ensure performance for enterprise systems (Siebel, Java, ARCGIS, APEX)
• Ensure database security, auditing, and compliance
• Lead Oracle database migration strategy and execution
• Implement HA technologies (Data Guard, RAC, OEM, OMS, TDE)
• Provide troubleshooting and expert production support
• Support cloud and on-prem database environments
• Perform risk analysis and provide mitigation strategies
• Document processes and support knowledge transfer

Experience Requirements

• 10+ years database administration experience
• Experience with database technologies and operating systems
• Experience with SQL and query tools
• Experience with ITIL processes (Incident, Change, Configuration Management)
• Strong analytical, communication, and teamwork skills

Desirable Skills

• Distributed database systems
• Middleware and gateway technologies
• Cybersecurity remediation experience
• CASE tools experience
• Data warehouse and OBIEE knowledge
• Enterprise architecture methodologies
• Public sector EA practices

Skills

Experience and Skill Set Requirements

Database Administration (50%)

• Oracle DB administration, design, and optimization
• Performance tuning and capacity planning
• Backup, recovery, and disaster recovery
• Migration and upgrades (Oracle 10g–19c+)
• Database security and auditing

Technical & Migration Skills (20%)

• Oracle migration (Solaris → new infrastructure)
• Complex system coordination and deployment
• Distributed systems and middleware

Communication & Delivery (30%)

• Technical documentation and knowledge transfer
• Stakeholder communication
• Team collaboration and support