NoSQL DBA

Role Title: NoSQL DBA (MongoDB and DynamoDB) Contract Job Description NoSQL DBA Experience Required 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 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 Responsibilities 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. 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 and DynamoDB global tables. Develop and test backup and recovery procedures. Ensure business continuity and disaster recovery readiness. 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. 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. Mentor and provide knowledge transfer to client project team members. 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. #J-18808-Ljbffr Net2Source (N2S)