Database Administrator
Posted 4 days ago by Vallum Associates
Negotiable
Undetermined
Undetermined
London Area, United Kingdom
Summary: The Database Administrator role requires a seasoned professional with extensive experience in MongoDB and related technologies. The candidate will be responsible for managing MongoDB databases, analyzing deployment architectures, and providing actionable recommendations for performance improvements. Additionally, the role involves working with Debezium and Oracle databases to ensure compatibility and efficiency in change data capture processes. Strong communication and documentation skills are essential for delivering technical assessments and recommendations.
Key Responsibilities:
- Manage MongoDB databases, including architecture, sharding, replication, and indexing.
- Review and analyze current Debezium deployment architecture and Oracle connector configuration.
- Evaluate Oracle database setup for CDC compatibility and analyze connector performance.
- Identify bottlenecks and misconfigurations in the current implementation.
- Provide detailed reports with findings, best practices, and actionable recommendations.
- Optionally support the implementation of recommended changes and performance tuning.
Key Skills:
- Bachelor's Degree in Information Technology, Computer Science, or equivalent.
- 4+ years of experience as a MongoDB DBA in production environments.
- Deep expertise in MongoDB architecture, replication, sharding, backup, and recovery.
- Strong hands-on experience with Debezium, especially the Oracle connector.
- Proficiency with Apache Kafka and Kafka ecosystem tools.
- Strong documentation and communication skills.
- MongoDB Certified DBA Associate or higher is preferred.
- Exposure to containerized environments and Infrastructure as Code.
Salary (Rate): undetermined
City: London Area
Country: United Kingdom
Working Arrangements: undetermined
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
Bachelor's Degree in Information Technology, Computer Science, Computer Engineering, or equivalent Proven experience as a MongoDB DBA or similar role (4+ years recommended) Strong understanding of MongoDB architecture, including sharding, replication, and indexing Experience working with MongoDB Atlas or self-managed clusters Proficiency with Linux systems and shell scripting Familiarity with monitoring tools and performance tuning techniques Experience with backup and disaster recovery processes Review the current Debezium deployment architecture, including Oracle connector configuration, Kafka integration, and downstream consumers. Analyze Oracle database setup for CDC compatibility (e.g., redo log configuration, supplemental logging, privileges). Evaluate connector performance, lag, and error handling mechanisms. Identify bottlenecks, misconfigurations, or anti-patterns in the current implementation. Provide a detailed report with findings, best practices, and actionable recommendations. Optionally, support implementation of recommended changes and performance tuning. Skills : 4 + years of experience as a MongoDB DBA in production environments Deep expertise in MongoDB architecture, including replication, sharding, backup, and recovery Strong hands-on experience with Debezium, especially the Oracle connector (LogMiner). Deep understanding of Oracle internals relevant to CDC: redo logs, SCNs, archive log mode, supplemental logging. Proficiency with Apache Kafka and Kafka ecosystem tools. Experience with monitoring and debugging Debezium connectors in production environments. Ability to analyze logs, metrics, and connector configurations to identify root causes of issues. Strong documentation and communication skills for delivering technical assessments. Edge : MongoDB Certified DBA Associate or higher. Exposure to containerized environments (Docker, Kubernetes) and Infrastructure as Code (Terraform, etc.). RedHat Certifications concerning Kafka or Debezium