DBA

A MongoDB Database Administrator (DBA) manages, optimizes, and secures MongoDB databases, ensuring high availability, performance tuning, backups, and scalability. Key responsibilities include designing replica sets and sharding, troubleshooting issues, managing security, and automating tasks, usually requiring experience with Linux, cloud platforms (AWS/Azure), and scripting.

Key Responsibilities

• Database Management: Install, configure, and maintain MongoDB database instances in production and non-production environments.
• Performance Tuning: Monitor system health, identify bottlenecks, optimize queries, and manage indexing to ensure optimal performance.
• High Availability & Scalability: Implement and manage MongoDB replica sets (redundancy/failover) and sharding (scaling across data centers).
• Backup & Recovery: Develop, test, and execute database backup and recovery strategies to ensure data integrity.
• Security: Manage database security, including user roles, permissions, auditing, and encryption.
• Collaboration & Support: Work with developers on schema design, query optimization, and data modeling (NoSQL).
• Automation & Scripting: Use scripting languages (Python, Bash) and tools (CloudWatch, Ops Manager) to automate routine tasks.

• Experience: Proven experience as a MongoDB DBA, often with 3–5+ years in large-scale distributed database systems.
• Technical Skills: Deep understanding of MongoDB architecture (WiredTiger engine), replica sets, and sharding.
• Environment: Strong knowledge of Linux/Unix systems.
• Cloud Proficiency: Experience managing MongoDB on cloud platforms (AWS, Azure, GCP).
• Education: Bachelor’s degree in Computer Science, IT, or related field.

• MongoDB Certification (e.g., MongoDB Certified Professional).
• Experience with other NoSQL databases (Cassandra) or relational databases (PostgreSQL, Oracle).
• DevOps experience (Docker or Kubernetes).

BTECH

Range Of Year Experience-Min Year

2

Range Of Year Experience-Max Year

4