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Astra North Infoteck Inc.

Senior Azure SQL DBA – SQL Server, Performance Tuning & Cloud Database Administration

Montréal, QC, Canada

Apply on astra-north.zohorecruit.ca About employer

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Job details

Experience: 8–14 years of relevant database administration experience, with strong L3 MSSQL and Azure DBA expertise.
Posting language: English
Posted: Oct 27, 2026

Original job description

Senior Azure SQL DBA – SQL Server, Performance Tuning & Cloud Database Administration

Your Responsibilities

Administer and support SQL Server across on-premises, Azure SQL Database, Azure SQL Managed Instance, and SQL Server on Azure Virtual Machines.
Lead performance diagnostics and tuning using Query Store, execution plans, Dynamic Management Views, Extended Events, wait statistics, PerfMon, SQL Profiler, and Azure monitoring.
Optimize complex T-SQL, stored procedures, indexing, statistics, partitioning, memory, TempDB, parallelism, locking, blocking, deadlocks, CPU, storage I/O, and transaction logs.
Detect query-plan regressions and workload bottlenecks, establish performance baselines and capacity forecasts, and validate measurable improvements.
Govern Azure SQL automatic tuning and Database Advisor recommendations, including production safeguards and rollback readiness.
Design and support high availability and disaster recovery using Always On availability groups, failover groups, clustering, replication, log shipping, backup, restore, and point-in-time recovery.
Plan and execute database migrations, upgrades, patching, consolidation, modernization, and cloud adoption with minimal disruption.
Manage Azure SQL service tiers, elastic pools, scaling, geo-replication, private connectivity, firewall rules, and cost-performance optimization.
Implement least-privilege access, Microsoft Entra authentication, managed identities, encryption, auditing, vulnerability remediation, secrets management, and compliance controls.
Automate provisioning, configuration, health checks, maintenance, backup validation, and reporting with PowerShell, T-SQL, Azure CLI, and infrastructure-as-code practices.
Own P1/P2 incidents, outages, root-cause analysis, corrective actions, vendor escalations, and stakeholder communications.
Maintain standards, runbooks, recovery procedures, dashboards, and knowledge articles; mentor L1/L2 teams and support change and release readiness.

Your Profile

Essential Skills/Knowledge/Experience

8–14 years of relevant database administration experience, with strong L3 MSSQL and Azure DBA expertise.
Advanced hands-on experience with Microsoft SQL Server, Azure SQL Database, Azure SQL Managed Instance, and SQL Server on Azure Virtual Machines.
Deep knowledge of Query Store, performance monitoring, execution

Apply on astra-north.zohorecruit.ca About employer

More about this job

Responsibilities

The Senior Azure SQL DBA at Astra North Infoteck will keep SQL Server databases running fast, available and secure across on-premises and Azure. The role diagnoses and fixes performance problems, plans backups, migrations and disaster recovery, and leads incident response.

Requirements

Candidates need 8 to 14 years of database administration experience, with advanced hands-on skills in SQL Server and Azure SQL services. They must know performance tuning tools such as Query Store and execution plans, and be able to automate work with PowerShell, T-SQL and Azure CLI.

Skills

Microsoft SQL Server
Azure SQL Database
Azure SQL Managed Instance
SQL Server on Azure Virtual Machines
T-SQL
Query Store
Execution plans
Dynamic Management Views
Extended Events
Wait statistics
PerfMon
SQL Profiler
Azure Monitor
Always On availability groups
Failover groups
Replication
Log shipping
Backup and restore
Point-in-time recovery
Elastic pools
Geo-replication
Microsoft Entra authentication
Managed identities
PowerShell
Azure CLI

Keywords

SQL Server
Azure SQL Database
Azure SQL Managed Instance
SQL Server on Azure Virtual Machines
T-SQL
Query Store
execution plans
Dynamic Management Views
Extended Events
performance tuning
Always On availability groups
failover groups
disaster recovery
high availability
PowerShell
Azure CLI
Infrastructure as code
database administrator
DBA
cloud database

Seniority

Senior

Tools

SQL Server
Azure SQL Database
Azure SQL Managed Instance
Query Store
Extended Events
SQL Profiler
PerfMon
Azure Monitor
PowerShell
Azure CLI

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