Senior Specialist - System Managemnt (Azure Cosmos DBA & Postgre SQL DBA)

Job Title: Senior Specialist - System Managemnt (Azure Cosmos DBA & Postgre SQL DBA)

Job Type: Full Time

Work Mode: Hybrid

Location: Bangalore / Noida / Pune / Hyderabad

Shift: 2:00 PM – 11:00 PM

Expected Joining Date: Immediate

Note : We require your PAN card and Aadhaar card number to upload your profile on the client's portal

Role Overview

We are seeking a highly skilled Azure Cosmos DB Database Administrator (DBA) to manage, optimize, and support enterprise-scale distributed databases. In this role, you will be responsible for ensuring high availability, peak performance, robust security, and cost efficiency across mission-critical Cosmos DB deployments.

Key Responsibilities1. Database Administration & Operations

• Manage and maintain enterprise Azure Cosmos DB environments.
• Monitor overall health, performance, and availability of Cosmos DB accounts, containers, and workloads.
• Perform capacity planning, Request Units (RU/s) management, and partition key optimization.
• Maintain strict SLA adherence for availability, latency, and throughput.
• Performance & Cost Optimization
• Analyze query performance and optimize indexing policies, partitioning strategies, and data models.
• Rightsize RU provisioning and implement autoscale strategies to minimize infrastructure costs.
• Identify and remediate hot partitions and inefficient query execution patterns.
• Implement caching strategies and optimize SDK usage where applicable.
• Reliability, Backup & Disaster Recovery (DR)
• Configure and manage multi-region replication and failover policies.
• Validate backup and restore processes (both continuous and periodic backup modes).
• Define, maintain, and execute DR runbooks aligned to RTO/RPO requirements.
• Participate in periodic DR drills and system resilience validation exercises.
• Security & Compliance
• Implement and enforce Role-Based Access Control (RBAC), Managed Identities, and network security controls (Private Endpoints, VNet integration, NSGs).
• Ensure end-to-end encryption (at-rest and in-transit) in compliance with enterprise security standards.
• Support regulatory audits and compliance frameworks (SOX, SOC, etc.).
• Automation & DevOps Integration
• Automate infrastructure provisioning and administration using Infrastructure-as-Code (IaC) tools like Ansible.
• Integrate Cosmos DB operational management into CI/CD pipelines.
• Develop automated scripts and runbooks for proactive monitoring, alerting, and incident remediation.
• Monitoring & Observability
• Utilize Azure Monitor, Log Analytics, and Application Insights for deep telemetry.
• Build custom dashboards and alerts for proactive performance management.
• Partner with full-stack observability platforms (e.g., Dynatrace) for comprehensive monitoring.
• Collaboration & Support
• Collaborate with application development teams on data access patterns and performance tuning.
• Provide L3/L4 technical support for production incidents and conduct Root Cause Analysis (RCA).
• Contribute to cloud architecture reviews, strategy discussions, and migration initiatives.
  
  

Required Skills & ExperienceMandatory Skills

• Azure Cosmos DB
• PostgreSQL - DB Administration
  
  

Core Database Expertise

• Strong hands-on experience administering and managing Azure Cosmos DB.
• Deep architectural understanding of:
• Partitioning strategies and distributed data modeling.
• Indexing mechanisms and advanced query optimization.
• RU/s consumption mechanics and scaling models.
• Practical knowledge of NoSQL data modeling principles for distributed architectures.
• Proficiency with toolsets and APIs:
• Azure Portal, Azure CLI, PowerShell
• Cosmos DB APIs (SQL Core, MongoDB, Cassandra)
  

Cloud Platform Expertise

• Deep technical expertise in Microsoft Azure.
• Demonstrated experience with:
• Multi-region enterprise architectures.
• High availability (HA) configurations and automated failover strategies.
• Enterprise networking components (VNets, Private Endpoints, NSGs).
  

Nice-to-Have Skills

• Secondary Databases: Hands-on experience with native MongoDB, DynamoDB, or equivalent distributed stores.
• Theoretical Concepts: Solid grasp of the CAP theorem, eventual consistency, and trade-offs in distributed systems design.
  
  

Main Keywords

Cosmos DB | PostgreSQL DB | Azure | Infrastructure DBA | NoSQL | Azure CLI | IaC Ansible

Skills: cosmos,database,infrastructure,postgre sql,data,azure