Job Description NoSQL DBA with Mongo DB, Casandra, Couchbase, Elastic Search We are seeking an experienced Database Engineer with strong expertise in MongoDB and working knowledge of additional NoSQL technologies including Elasticsearch, Cassandra, and Couchbase. The ideal candidate will be responsible for designing, implementing, and maintaining high-performance database solutions that support our enterprise applications and data infrastructure. Primary Skills (MongoDB) 5+ years of hands‑on experience with MongoDB in production environments Expert‑level knowledge of MongoDB architecture, replication, and sharding Proven experience with MongoDB performance tuning and optimization Strong understanding of MongoDB Atlas and cloud‑based deployments Proficiency in MongoDB query optimization and index design Experience with MongoDB backup, recovery, and disaster recovery strategies Knowledge of MongoDB security best practices and implementation Familiarity with MongoDB aggregation framework and data modeling Secondary Skills (Nice To Have) 2+ years of experience with Elasticsearch for search and analytics Working knowledge of Cassandra for distributed database management Familiarity with Couchbase for caching and document storage Understanding of NoSQL database selection criteria and trade‑offs Technical Requirements 7+ years of overall database administration and engineering experience Strong proficiency in scripting languages (Python, Bash, JavaScript) Experience with database monitoring tools and APM solutions Knowledge of Linux/Unix systems administration Understanding of containerization technologies (Docker, Kubernetes) Experience with CI/CD pipelines and infrastructure as code Familiarity with cloud platforms (AWS, Azure, or GCP) Key Responsibilities Design and implement MongoDB database architectures for scalability and high availability Perform capacity planning and resource optimization for MongoDB clusters Configure and maintain replica sets and sharded clusters Develop and enforce MongoDB coding standards and best practices Monitor database performance and implement tuning strategies Manage database security, including authentication, authorization, and encryption Execute backup and recovery procedures ensuring data integrity Troubleshoot complex database issues and performance bottlenecks Multi‑Database Support Assist with Elasticsearch cluster configuration and index management Support Cassandra deployments for high‑throughput workloads Provide guidance on Couchbase implementation for caching solutions Evaluate and recommend appropriate NoSQL solutions based on use cases Maintain documentation for all database platforms Collaboration & Development Work closely with development teams on database design and optimization Review database schemas and queries for performance improvements Participate in code reviews focusing on database interactions Provide technical guidance and mentorship to junior team members Operations & Maintenance Implement monitoring and alerting solutions for database health Perform regular maintenance tasks including patching and upgrades Develop disaster recovery plans and conduct failover testing Maintain database documentation and runbooks Participate in on‑call rotation for production support Preferred Qualifications MongoDB Certified DBA or Developer certification Experience with data migration projects across different database platforms Knowledge of data modeling for both relational and NoSQL databases Understanding of microservices architecture Contributions to open‑source database projects Salary Range: $90,000-$110,000 a year Qualifications BACHELOR OF COMPUTER SCIENCE #J-18808-Ljbffr