Join Mizuho as a Senior Database Administrator (SQL Server & Azure Data Platform)!
We are seeking a highly skilled Senior SQL Server DBA with deep expertise in Microsoft SQL Server and Azure data platform technologies. The ideal candidate will also have solid exposure to PostgreSQL. This role is responsible for the design, administration, automation, security, performance, and resiliency of mission-critical database platforms supporting enterprise business applications.
The ideal candidate combines traditional DBA expertise with modern cloud, automation, observability, and infrastructure-as-code capabilities. This individual will serve as a senior escalation point for database operations while driving platform modernization, operational excellence, cloud adoption, and continuous improvement initiatives.
The successful candidate will have a strong ownership mindset, exceptional troubleshooting skills, and the ability to collaborate effectively across application, infrastructure, security, and cloud engineering teams.
Key Responsibilities
Database Administration & Operations
Administer and support Microsoft SQL Server environments from SQL Server 2016 through SQL Server 2025, and Azure-resident database platforms.
Provide L3 operational support and serve as a senior escalation resource for complex database incidents and service requests.
Ensure database platform availability, reliability, performance, and recoverability for business-critical systems.
Manage database lifecycle activities including installation, configuration, patching, upgrades, migrations, and decommissioning.
Participate in a 24x7 on-call rotation supporting production database environments.
High Availability, Disaster Recovery & Resiliency
Design, implement, and support high availability and disaster recovery solutions.
Administer technologies including: SQL Server Availability Groups
Log Shipping
Transactional Replication
Failover Cluster Instances
Azure-based DR architectures
Validate and regularly test recovery procedures to ensure compliance with business RTO and RPO objectives.
Manage enterprise backup, recovery, and retention strategies.
Azure Database Platform
Architect, deploy, and support database solutions across: Azure SQL Database
Azure SQL Managed Instance
SQL Server on Azure Virtual Machines
Azure Storage and backup services
Assess existing workloads and develop migration strategies for cloud adoption and modernization.
Implement and optimize Azure-native capabilities, including monitoring, security, Azure Elastic Jobs, Azure Automation Runbooks, and Cloud Shell automation.
Partner with cloud engineering teams to ensure database platforms align with enterprise Azure standards and landing zone requirements.
Plan, architect, and execute seamless database migrations from on-premises environments to Azure Cloud, as well as reverse migrations from Azure Cloud to on-premises environments.
Perform performance and cost engineering to optimize cloud resource utilization across Azure SQL tiers.
Performance Engineering & Optimization
Troubleshoot and resolve complex database and application performance issues.
Partner with development teams to optimize schema design, indexing strategies, stored procedures, ETL processes, and application queries.
Establish proactive performance monitoring and capacity planning practices.
Automation & Platform Engineering
Automate operational processes using: PowerShell
dbatools.io
Azure Automation
Git-based source control workflows
Develop repeatable solutions that reduce manual effort and improve operational consistency.
Support Infrastructure-as-Code and configuration management initiatives where applicable.
Drive continuous improvement through scripting, self-service capabilities, and operational automation.
Monitoring, Observability & Capacity Management
Proactively monitor database health, availability, capacity, and performance using enterprise monitoring platforms.
Support and optimize tools such as: OpsRamp
SQL…