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

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  Manage and maintain enterprise Azure Cosmos DB environments.

  
  


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  Monitor overall health, performance, and availability of Cosmos DB accounts, containers, and workloads.

  
  


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  Perform capacity planning, Request Units (RU/s) management, and partition key optimization.

  
  


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  Maintain strict SLA adherence for availability, latency, and throughput.

  
  

2. Performance & Cost Optimization

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  Analyze query performance and optimize indexing policies, partitioning strategies, and data models.

  
  


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  Rightsize RU provisioning and implement autoscale strategies to minimize infrastructure costs.

  
  


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  Identify and remediate hot partitions and inefficient query execution patterns.

  
  


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  Implement caching strategies and optimize SDK usage where applicable.

  
  

3. Reliability, Backup & Disaster Recovery (DR)

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  Configure and manage multi-region replication and failover policies.

  
  


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  Validate backup and restore processes (both continuous and periodic backup modes).

  
  


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  Define, maintain, and execute DR runbooks aligned to RTO/RPO requirements.

  
  


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  Participate in periodic DR drills and system resilience validation exercises.

  
  

4. Security & Compliance

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  Implement and enforce Role-Based Access Control (RBAC), Managed Identities, and network security controls (Private Endpoints, VNet integration, NSGs).

  
  


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  Ensure end-to-end encryption (at-rest and in-transit) in compliance with enterprise security standards.

  
  


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  Support regulatory audits and compliance frameworks (SOX, SOC, etc.).

  
  

5. Automation & DevOps Integration

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  Automate infrastructure provisioning and administration using Infrastructure-as-Code (IaC) tools like Ansible.

  
  


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  Integrate Cosmos DB operational management into CI/CD pipelines.

  
  


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  Develop automated scripts and runbooks for proactive monitoring, alerting, and incident remediation.

  
  

6. Monitoring & Observability

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  Utilize Azure Monitor, Log Analytics, and Application Insights for deep telemetry.

  
  


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  Build custom dashboards and alerts for proactive performance management.

  
  


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  Partner with full-stack observability platforms (e.g., Dynatrace) for comprehensive monitoring.

  
  

7. Collaboration & Support

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  Collaborate with application development teams on data access patterns and performance tuning.

  
  


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  Provide L3/L4 technical support for production incidents and conduct Root Cause Analysis (RCA).

  
  


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  Contribute to cloud architecture reviews, strategy discussions, and migration initiatives.

  
  

Required Skills & ExperienceMandatory Skills

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  Azure Cosmos DB

  
  


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  PostgreSQL - DB Administration

  
  

Core Database Expertise

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  Strong hands-on experience administering and managing Azure Cosmos DB.

  
  


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  Deep architectural understanding of:

  
  
  
  
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    Partitioning strategies and distributed data modeling.

    
    
  
  
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    Indexing mechanisms and advanced query optimization.

    
    
  
  
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    RU/s consumption mechanics and scaling models.

    
    
  
  
  
  


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  Practical knowledge of NoSQL data modeling principles for distributed architectures.

  
  


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  Proficiency with toolsets and APIs:

  
  
  
  
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    Azure Portal, Azure CLI, PowerShell

    
    
  
  
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    Cosmos DB APIs (SQL Core, MongoDB, Cassandra)

    
    
  
  
  
  

Cloud Platform Expertise

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  Deep technical expertise in Microsoft Azure.

  
  


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  Demonstrated experience with:

  
  
  
  
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    Multi-region enterprise architectures.

    
    
  
  
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    High availability (HA) configurations and automated failover strategies.

    
    
  
  
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    Enterprise networking components (VNets, Private Endpoints, NSGs).

    
    
  
  
  
  

Nice-to-Have Skills

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  Secondary Databases: Hands-on experience with native MongoDB, DynamoDB, or equivalent distributed stores.

  
  


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  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