Mongo DBA

Position: MongoDB DBA

Location: Sunnyvale CA or Austin TX
Work Mode: 100% Onsite (5 days/week)
Duration: 6 Months (Contract)

Role Overview

We are seeking an experienced MongoDB DBA to design implement secure and manage enterprise-scale MongoDB environments. The role focuses on replica sets sharded clusters security (X.509/TLS) Ops Manager and performance tuning with exposure to AWS migration.

Key Responsibilities

• Design install and configure MongoDB replica sets and sharded clusters based on application requirements
• Configure and manage MongoDB Ops Manager (BRS & Ops Manager)
• Onboard replica sets and sharded clusters into Ops Manager
• Implement MongoDB security enhancements using X.509 and TLS authentication (Apple security standards)
• Configure SSL key files across all mongod instances
• Automate backup restore and monitoring using Python and Shell scripting
• Add/remove replica and shard nodes as needed
• Create and manage indexes including text indexes
• Select and optimize shard keys for even data distribution
• Convert replica sets to sharded clusters for scalability and performance
• Perform MongoDB upgrades and migrations (4.0 to 4.x)
• Deploy migrate monitor analyze and tune MongoDB databases
• Perform query performance tuning at both database and host levels
• Document MongoDB installation operations security and auditing across environments
• Support MongoDB cluster migration to AWS

Required Technical Skills

• Strong experience with MongoDB replica sets and sharded clusters
• Hands-on expertise with MongoDB Ops Manager (including upgrades groups and projects)
• Deep understanding of:
  • MongoDB replication architecture
  • Change streams
  • Query plan architecture
  • Performance tuning
• Experience with range-based and hash-based sharding
• Strong knowledge of authentication and authorization including X.509
• Linux platform experience
• Scripting experience in Python and/or Shell

Nice to Have

• Prior experience migrating MongoDB clusters to AWS
• Exposure to large-scale enterprise MongoDB environments