Zensar Technologies

4 weeks ago

Pune, India Zensar Technologies Full time

Position : Senior MongoDB DBA with KafkaExperience : 4+ YearsJob Summary :We are seeking a highly skilled and experienced Senior MongoDB DBA with a strong background in data integration using Kafka and Debezium. The ideal candidate will have deep expertise in managing production MongoDB environments and architecting scalable, real-time data pipelines. You will be instrumental in designing, implementing, and maintaining Change Data Capture (CDC) solutions that connect our core systems, with a specific focus on leveraging Debezium's Oracle connector.Key Responsibilities :Database Administration & Architecture :- Architect, implement, and manage MongoDB clusters in production environments, including configuring replication sets and sharded clusters.- Design and implement robust backup, recovery, and disaster recovery strategies for MongoDB.- Perform database performance tuning, monitoring, and capacity planning to ensure high availability and optimal performance.Data Integration & CDC:- Design, build, and maintain CDC pipelines using Apache Kafka and Debezium.- Deploy and manage Debezium connectors, with strong hands-on experience specifically with the Oracle connector.- Ensure seamless and reliable data replication from Oracle to MongoDB.Troubleshooting & Support:- Debug and resolve complex issues related to Debezium connectors, Kafka, and database performance in production environments.- Analyze logs, metrics, and connector configurations to identify the root cause of issues and implement solutions.- Provide expert-level support for database and data integration challenges.Documentation & Collaboration:- Create and maintain detailed technical documentation for database architecture, CDC processes, and troubleshooting steps.- Collaborate with engineering, data, and operations teams to deliver and support data integration solutions.Required SkillsMongoDB Expertise:- 4+ years of experience as a MongoDB DBA in production environments.- Deep expertise in MongoDB architecture, including replication, sharding, and high availability.- Proven experience with MongoDB backup, recovery, and performance tuning.Data Integration & Debezium :- Strong hands-on experience with Debezium, especially the Oracle connector (LogMiner).- Deep understanding of Oracle internals relevant to CDC, including redo logs, SCNs, archive log mode, and supplemental logging.Kafka & Ecosystem :- Proficiency with Apache Kafka and the broader Kafka ecosystem, including Kafka Connect and topics.Troubleshooting & Analysis :- Strong ability to analyze logs, metrics, and connector configurations to identify and resolve root causes of issues in a timely manner.Communication & Documentation :- Excellent documentation and communication skills for delivering technical assessments and sharing knowledge.Preferred Skills :- Experience with other CDC tools such as GoldenGate or Striim.- Proficiency in scripting languages like Python or Bash for automation.- Experience with cloud environments (AWS, Azure, GCP) and relevant managed services.- Knowledge of monitoring tools such as Prometheus, Grafana, or Datadog.- Experience with other NoSQL databases besides MongoDB.- Relevant certifications, such as MongoDB Certified DBA. (ref:hirist.tech)

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