Senior Oracle Database Administrator (DBA)

• Pay Rate: $84.70/hour, depending on experience
• Contract End Date: November 2027
• Location: Calgary, Alberta
  
  

Raise is currently hiring a Senior Oracle Database Administrator (DBA) on behalf of our client. They’re expanding their team to meet growing needs, making this a unique opportunity to work with an industry leader. Our client is responsible for the safe and reliable operation of the Alberta Interconnected Electric System.

Note: The primary pay rate is based on T4 classification; however, we will also consider applications from candidates interested in an INC classification, where applicable.

Description

The Oracle Exadata Cloud@Customer (ExaCC) Database Administrator (DBA) consultant will support a multi-year initiative to implement and operationalize ExaCC as an enterprise database platform for multiple applications and business services. The successful candidate will be a hands-on technical implementer with deep Oracle database engineering expertise and demonstrated experience delivering ExaCC environments from implementation through database migration and onboarding, stabilization, and transition to production operations.

Responsibilities

• ExaCC Implementation and Technical Delivery
• Participate in technical planning and implement ExaCC database environments in accordance with approved strategy and architecture, security standards, prerequisites, and delivery plans.
• Coordinate with platform/infrastructure teams and Oracle support on ExaCC provisioning, connectivity, lifecycle activities, configuration, and technical issue resolution.
• Validate environment readiness, database prerequisites, network connectivity, access, monitoring, backup/recovery, and operational dependencies before onboarding workloads.
• Develop implementation plans, runbooks, test plans, rollback procedures, cutover plans, and technical documentation.
• Troubleshoot implementation issues across the database, RAC, ASM, Exadata, OCI connectivity, and related service components.
• Database Migration, Onboarding and Cutover
• Assess source databases and application dependencies for migration to ExaCC, including versions, configurations, database size, growth, workload characteristics, availability requirements, and compatibility considerations.
• Develop and execute database migration and onboarding plans, including migration method selection, prerequisites, rehearsal, validation, cutover, rollback, and post-migration verification.
• Coordinate with application owners and technical teams to schedule migrations, manage dependencies, minimize business disruption, and confirm application connectivity and functionality after cutover.
• Validate database objects, data consistency, performance, security, jobs, interfaces, and operational monitoring following migration.
• Maintain migration records, issue logs, acceptance evidence, and lessons learned; support remediation of migration-related defects.
• Oracle GoldenGate Implementation and Replication
• Design, configure, implement, and troubleshoot Oracle GoldenGate replication for approved use cases, including source/target preparation, Extract and Replicat configuration, trail management, checkpoints, credentials, and supporting processes as applicable to the selected architecture and GoldenGate version.
• Implement and validate initial data load and ongoing change replication, including coordination of initial-load and change-capture approaches where required.
• Configure and validate replication mappings, table-level inclusion/exclusion, supplemental logging, conflict/exception handling, and error-handling procedures as required by the solution.
• Monitor replication lag, throughput, process health, trail growth, checkpoints, and data consistency; investigate and resolve abends, latency, data divergence, and other replication failures.
• Plan and execute GoldenGate deployment changes, upgrades or patching where in scope, failover/recovery procedures, restart/reposition activities, and controlled resynchronization when necessary.
• Develop repeatable implementation scripts, validation checks, operational runbooks, and alerting for GoldenGate services.
• Document replication topology, dependencies, recovery procedures, support boundaries, and service-level expectations; demonstrate the solution and transfer knowledge to operations teams.
• Oracle Data Guard, RAC and High Availability / Disaster Recovery
• Implement, configure, and maintain Oracle Data Guard environments, including physical standby configurations and role transitions, in accordance with approved recovery objectives and design.
• Configure and validate Data Guard transport/apply, monitoring, switchover, failover, reinstatement, and recovery procedures as applicable to the architecture and licensed features.
• Administer Oracle RAC databases and related Clusterware and ASM components, including installation/configuration support, service management, troubleshooting, patching coordination, and availability validation.
• Plan and participate in high-availability and disaster-recovery tests; capture results, resolve defects, and maintain documented recovery procedures.
• Understand and clearly document the distinct purposes and operational implications of RAC, Data Guard, and GoldenGate; implement each according to the workload's approved requirements.
• Oracle Database and Exadata Administration
• Install, configure, patch, upgrade, and maintain Oracle databases hosted on ExaCC, following approved change management and vendor-supported procedures.
• Perform advanced performance analysis and tuning across SQL execution, execution plans, wait events, memory, I/O, storage, database services, and Exadata-specific capabilities where applicable.
• Manage database capacity, tablespaces, space usage, growth forecasting, database configuration, users, roles, privileges, schemas, jobs, and database security controls.
• Administer and validate backup and recovery, including restore/recovery testing and coordination with applicable OCI/ExaCC backup capabilities.
• Investigate complex database incidents, identify root causes, implement corrective actions, and recommend preventative improvements.
• OCI Tenancy and ExaCC Supporting Services
• Administer relevant OCI tenancy resources, compartments, IAM policies and groups, network resources, monitoring, alerts, and service configurations required to support ExaCC.
• Support VCN, subnet, routing, security list/Network Security Group, DNS, connectivity, and access troubleshooting in coordination with network and security teams.
• Use applicable OCI monitoring, logging, Object Storage, and backup services where included in the approved solution.
• Coordinate ExaCC and OCI lifecycle activities with Oracle and internal stakeholders, following assigned responsibilities and service boundaries.
• Apply least-privilege access, secure configuration, auditability, and organizational change and access-management controls.
• Monitoring and Operational Readiness
• Establish and maintain actionable monitoring, alerting, health checks, capacity indicators, and operational dashboards for databases, RAC, GoldenGate, Data Guard, and relevant OCI components.
• Develop and maintain standard operating procedures, implementation guides, support runbooks, configuration records, dependency maps, and knowledge-transfer materials.
• Support production readiness reviews, service acceptance, incident/problem/change management, root-cause analysis, and continuous service improvement.
• Define and report relevant operational measures such as availability, backup success, recovery-test outcomes, replication lag, incident trends, and capacity/performance indicators.
• Security, Compliance and Collaboration
• Apply database security and hardening practices, access controls, audit requirements, patching standards, and data-handling requirements in accordance with policies and approved designs.
• Work collaboratively with application owners, solution architects, infrastructure, networking, cybersecurity, service management, project delivery, Oracle support, and other delivery partners.
• Provide clear technical status, risks, dependencies, implementation decisions, incident findings, and recommendations to technical and project stakeholders.
• Support audits and compliance evidence gathering related to database access, configuration, changes, availability, backup/recovery, and operational controls.
  
  

Qualifications

• Seven or more years of hands-on Oracle Database administration experience, including advanced administration and troubleshooting of Oracle RAC, ASM, backup/recovery, and Data Guard.
• Demonstrated hands-on experience implementing and operating Oracle Exadata Cloud@Customer; experience with Oracle Exadata engineered systems is essential.
• Strong practical experience implementing, configuring, and troubleshooting Oracle GoldenGate replication. Candidates should be able to explain and demonstrate implementation choices, monitoring, recovery, and problem resolution - not only routine monitoring.
• Hands-on experience planning and executing Oracle database migrations and onboarding, including assessment, rehearsal, validation, cutover, rollback planning, and post-migration stabilization.
• Experience implementing and testing Oracle Data Guard high-availability and disaster-recovery configurations, including switchover/failover procedures as applicable.
• Practical experience with Oracle RAC and ASM administration, performance tuning, database troubleshooting, patching, and production support.
• Experience administering relevant OCI tenancy services, including IAM, compartments, networking, monitoring, and other OCI services used by the ExaCC solution.
• Experience with Oracle Enterprise Manager (OEM) or equivalent tooling for database monitoring, alerting, diagnostics, and operational visibility.
• Experience with scripting and automation to make implementation and operational processes repeatable and supportable.
• Strong understanding of change management, incident/problem management, technical documentation, operational readiness, and production service transition.
• Key Attributes
• Strong analytical, diagnostic, and problem-solving skills, including the ability to investigate complex cross-layer issues.
• Implementation-oriented and hands-on, with a disciplined approach to testing, change control, risk management, and production readiness.
• Effective communicator who can work independently while collaborating with multidisciplinary teams and external service providers.
• High-quality technical documentation, knowledge transfer, and operational discipline.
• Strong focus on security, reliability, availability, recoverability, and continuous improvement.
• Education and Certifications
• Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field, or an equivalent combination of education and relevant professional experience.
  
  

Looking for meaningful work? We can help!

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