Oracle DBA
Job in
Calgary, Alberta, D3J, Canada
Listed on 2026-07-24
Listing for:
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Full Time
position Listed on 2026-07-24
Job specializations:
-
IT/Tech
Database Administrator, Disaster Recovery IT, Data Engineering
Job Description & How to Apply Below
Job Description
Role:
Database Admin/SME (Oracle & MS SQL)
Onsite:
Calgary
- Oracle Database Administration – Data Guard (physical/logical), CDB/PDB (Multitenant), ASM, switchover/failover
- MS SQL Server Administration – Always On Availability Groups, failover clustering, performance tuning
- PostgreSQL Administration – Replication, maintenance, and performance management
- 6–10+ years of enterprise DBA experience supporting Oracle, SQL Server, and PostgreSQL databases
- Strong hands‑on experience with Oracle Data Guard (physical/logical), switchover, and failover operations
- Expertise in Oracle Multitenant architecture (CDB/PDB), upgrades, and PDB lifecycle management
- Solid experience with MS SQL Server Always On Availability Groups and failover clustering
- Advanced database performance tuning, query optimization, indexing, and capacity planning
- Experience performing database patching, minor/major upgrades, and vulnerability remediation
- Proven knowledge of backup and recovery tools (RMAN, SQL Server native, third‑party solutions)
- Exposure to on‑prem to cloud database migrations and modernization initiatives
- Working knowledge of database security, encryption, auditing, and access management
- Ability to support 24x7 production environments and participate in on‑call rotations
- Administer and support Oracle databases using Data Guard and Multitenant (CDB/PDB) architecture
- Manage MS SQL Server environments including Always On, clustering, and performance baselines
- Ensure high availability, disaster recovery readiness, and conduct regular DR drills
- Proactively monitor databases and resolve availability, performance, and capacity issues
- Plan and execute database upgrades, patching cycles, and maintenance activities
- Perform database restores and recovery during incidents and unplanned outages
- Support application teams with deployments, schema changes, and query optimization
- Participate in database migration projects across on‑prem and cloud platforms
- Maintain operational documentation, SOPs, and runbooks
- Collaborate with infrastructure, cloud, security, and application stakeholders
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