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Job Description
Role Summary
We are seeking a Senior Azure Cosmos DB DBA to architect, optimize, and manage our global-scale NoSQL database infrastructure. You will be the primary expert responsible for ensuring high performance, 99.999% availability, and cost-efficiency across multiple APIs (SQL, MongoDB, Cassandra).
Key Responsibilities
Architecture & Modeling: Design and implement scalable NoSQL data models, partitioning strategies, and indexing policies tailored for distributed systems.
Performance Tuning: Optimize throughput provisioning (RU/s), consistency models, and multi-region replication to maintain sub-10ms latency.
Operational Management: Monitor database health, manage capacity, and execute backup, restore, and disaster recovery (DR) strategies.
Infrastructure as Code (IaC): Automate deployments and scaling using Bicep, ARM templates, or Terraform.
Security & Compliance: Implement RBAC, data encryption, and private endpoints to ensure enterprise-grade security and governance.
Integration: Collaborate with developers to integrate Cosmos DB with Azure services like Azure Functions, Event Hubs, and Azure Data Factory.
Required Technical Skills
Cloud Expertise: Extensive hands-on experience with Azure Cosmos DB (SQL API, MongoDB API, etc.) in production.
NoSQL Principles: Deep understanding of horizontal partitioning, sharding, and eventual vs. strong consistency models.
Scripting: Proficiency in PowerShell, Python, or Azure CLI for administrative automation.
Monitoring Tools: Skilled in using Azure Monitor, Log Analytics, and Azure Advisor for proactive troubleshooting.
DevOps: Experience with CI/CD pipelines (Azure DevOps or GitHub Actions) for database schema migrations.
Qualifications
Experience: 8+ years in database administration, with at least 3-5 years focused on Azure Cosmos DB.
Education: Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
Preferred Certifications:
DP-420: Microsoft Certified: Azure Cosmos DB Developer Specialty.
DP-300: Microsoft Certified: Azure Database Administrator Associate
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