NoSQL DBA (MongoDB)

Database Administration & Support

• Administer, maintain, monitor, and support Oracle, MongoDB, and DynamoDB environments.
• Manage database installations, upgrades, patches, backups, recovery, and replication strategies.
• Ensure database availability, reliability, and security across production and non-production environments.
• Implement database standards, policies, and best practices.

Database Design & Architecture

• Design scalable and high-performing relational and NoSQL database architectures.
• Create logical and physical data models based on application requirements.
• Optimize schema design, indexing strategies, partitioning, and storage configurations.
• Support microservices and distributed data architectures.

Database Migration & Modernization

• Lead migration projects from legacy platforms to Oracle, MongoDB, or DynamoDB.
• Perform schema conversion, data migration, validation, and cutover planning.
• Support cloud migration and modernization initiatives.
• Work with migration tools and ETL/data integration processes.

Performance Tuning & Optimization

• Analyze and resolve database performance bottlenecks.
• Tune SQL queries, stored procedures, indexes, and execution plans.
• Optimize MongoDB collections, aggregations, sharding, and replication.
• Improve DynamoDB throughput, partition key design, autoscaling, and cost optimization.
• Monitor database health using performance monitoring tools.

High Availability & Disaster Recovery

• Configure and maintain HA/DR solutions including:
• Oracle RAC/Data Guard
• MongoDB replica sets/sharding
• DynamoDB global tables
• Develop and test backup and recovery procedures.
• Ensure business continuity and disaster recovery readiness.

Cloud & Automation

• Work with AWS cloud services related to databases and infrastructure.
• Automate database administration tasks using Shell, Python, or PowerShell.
• Support Infrastructure as Code (IaC) and CI/CD integration where applicable.

Collaboration & Governance

• Work closely with developers, architects, DevOps, and security teams.
• Participate in code reviews and database design discussions.
• Ensure compliance with governance, security, and regulatory standards.

Deliverables

• Process flows
• Mentor and provide knowledge transfer to client project team members
• Participate as primary, co-, and/or contributing author on project deliverables
• Participate in data conversion and maintenance activities
• Provide best-practice and industry-specific solutions
• Recommend alternative and out-of-the-box solutions
• Provide thought leadership and hands-on technical configuration/development
• Participate as a functional team member
• Perform other duties as assigned

• 10-15 years of DBA experience supporting enterprise-scale databases.

Required Expertise

• MongoDB Administration
• Amazon DynamoDB
• Strong NoSQL DBA experience

Key Technical Skills

• Database design and data modeling
• Database migrations and modernization
• Performance tuning and troubleshooting
• Backup, recovery, replication, and HA configurations
• AWS cloud platform experience
• Indexing, partitioning, clustering, and sharding concepts
• Monitoring tools and database health checks
• Scripting/automation using Python, Shell, or PowerShell
• Strong analytical and problem-solving skills
• Excellent communication and stakeholder management