Senior MongoDB DBA Engineer

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Role: Senior MongoDB DBA Engineer

Location: Sunnyvale, CA / Austin, TX

Experience: 6-8 Years

Job Summary

We are seeking a highly skilled Senior MongoDB DBA Engineer to design, implement, and manage scalable MongoDB environments. The ideal candidate will have strong experience with replica sets, sharded clusters, security configurations, and performance tuning, along with hands-on exposure to Ops Manager and cloud migrations. This role requires deep expertise in MongoDB architecture and database administration within enterprise environments.

Key Responsibilities

MongoDB Architecture & Deployment

• Design, install, and configure MongoDB replica sets and sharded clusters on Linux platforms
• Convert replica sets to sharded clusters to support data growth and performance requirements
• Manage cluster scaling including adding/removing shard and replica nodes
  
  

Administration & Operations

• Deploy, monitor, and maintain MongoDB environments across multiple systems
• Perform database upgrades and migrations (e.g., MongoDB 4.x versions)
• Analyze and optimize database performance, including query tuning and indexing strategies
• Implement range-based and hash-based sharding for efficient data distribution
  
  

Security & Compliance

• Implement MongoDB security best practices including:
• X.509 authentication
• TLS/SSL encryption
• Authentication and authorization controls
• Configure secure communication across MongoDB instances to meet enterprise security standards
  
  

Ops Manager & Automation

• Configure and manage MongoDB Ops Manager (Ops-Mgr)
• Onboard replica sets and sharded clusters into Ops Manager
• Manage Ops Manager groups, projects, and upgrades
• Automate backup, restore, and monitoring processes using Python and shell scripting
  
  

Performance & Optimization

• Optimize database performance through:
• Query plan analysis
• Index creation (including text indexing)
• Host-level and database-level tuning
• Ensure even data distribution using appropriate shard key strategies
  
  

Cloud & Migration

• Support migration of MongoDB clusters to AWS cloud environments
• Work with hybrid and distributed architectures during migration phases
  
  

Documentation & Governance

• Document MongoDB installation, operations, security configurations, and auditing processes
• Ensure compliance with enterprise standards and best practices
  
  

Required Skills

• Strong hands-on experience with MongoDB (Replica Sets and Sharded Clusters)
• Expertise in MongoDB Ops Manager (Ops-Mgr)
• Deep knowledge of:
• MongoDB replication architecture
• Change streams
• Query optimization and performance tuning
• Experience with security configurations (X.509, TLS/SSL, authentication/authorization)
• Proficiency in Linux environments
• Strong scripting skills in Python and Shell scripting
• Experience with database upgrades, migrations, and cluster scaling
  
  

Preferred Skills

• Experience migrating MongoDB clusters to AWS
• Knowledge of DevOps practices and automation frameworks
• Experience working in large-scale enterprise environments
• Familiarity with monitoring and observability tools