Database administrator

5 days ago

Gurgaon, India ADVATIX - Advanced Supply Chain And Logistics Full time

We are seeking a skilled and proactive My SQL and Maria DB DBA to join our team. This role involves managing, monitoring, and optimizing My SQL and Maria DB databases, with a particular focus on high availability and performance in clustered environments using Galera and Proxy SQL. The ideal candidate should have strong experience with Galera Cluster, Proxy SQL configuration, query optimization, and a deep understanding of backup and recovery processes, as well as automation through shell scripting. Key Responsibilities: Database Administration: Manage and administer My SQL and Maria DB databases, ensuring high performance, scalability, and reliability. Implement and manage robust backup and recovery processes, ensuring minimal data loss in case of system failures. Schedule and monitor regular backups, including full, incremental, and point-in-time recovery (PITR) strategies to meet RPO/RTO requirements. Galera Cluster Management: Configure, deploy, and maintain Galera Clusters for high availability and redundancy. Troubleshoot and resolve issues specific to Galera replication, including split-brain and quorum loss. Monitor cluster health, manage failover processes, and ensure data consistency across nodes. Proxy SQL Configuration and Management: Set up and manage Proxy SQL as a high-performance middle layer for routing SQL queries and load balancing. Optimize Proxy SQL configurations, including query caching, user management, and query rules. Ensure seamless connectivity between applications and database clusters, leveraging Proxy SQL features for high availability. Performance Tuning and Query Optimization: Analyze and optimize slow queries, indexing, and database schema design for better performance. Utilize monitoring tools and techniques to proactively identify and address performance bottlenecks. Work closely with development teams to optimize SQL queries and improve overall database performance. Monitoring, Automation, and Scripting: Set up and maintain database monitoring solutions for real-time insights and alerts on database health. Automate routine DBA tasks such as backups, log rotation, and health checks using shell scripts. Experience with shell scripting, Ansible, or other automation tools is a strong advantage to improve efficiency and reduce manual workload. Security and Compliance: Ensure databases are secure and compliant with data protection regulations and company policies. Implement and manage access controls, audit trails, and data encryption. Work with security teams to conduct periodic audits and vulnerability assessments. Qualifications: Proven experience as a My SQL/Maria DB DBA, including experience with Galera Cluster and Proxy SQL. Strong knowledge of SQL, performance tuning, and query optimization. Proficiency in database backup, restore, and disaster recovery strategies. Experience with Linux environments, shell scripting (a strong advantage), and automation tools. Excellent problem-solving skills and ability to work in a fast-paced environment. Preferred Skills: Experience with Proxy SQL version 2.5 or higher. Knowledge of other My SQL/Maria DB clustering solutions and replication strategies. Familiarity with cloud environments (AWS, Azure) and containerization (Docker, Kubernetes).

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