Job Description
<p>Role Overview :<br/><br/> We are seeking an experienced and highly skilled Database Administrator (DBA) with expertise in MySQL 8+ and PostgreSQL.<br/><br/> The DBA will be responsible for the design, implementation, administration, and performance optimization of large-scale database systems.<br/><br/> The ideal candidate should have proven experience in high-availability environments, performance tuning, troubleshooting, and database security best practices.<br/><br/> Key Responsibilities :<br/><br/>- Design, install, configure, and maintain MySQL 8+ and PostgreSQL database systems across development, staging, and production environments.<br/><br/>- Architect and implement high availability, clustering, replication, and disaster recovery solutions.<br/><br/>- Monitor database performance, proactively identify bottlenecks, and implement tuning and optimization strategies (indexes, queries, caching).<br/><br/>- Ensure data security, integrity, and compliance by implementing database access controls, encryption, and backup strategies.<br/><br/>- Troubleshoot complex database issues, conduct root cause analysis, and provide permanent resolutions.<br/><br/>- Collaborate with application and DevOps teams to optimize database schemas, queries, and stored procedures.<br/><br/>- Implement and maintain monitoring and alerting systems for database health and performance.<br/><br/>- Manage scaling strategies to support large-scale, high-volume applications.<br/><br/>- Document standards, procedures, and guidelines for database management and disaster recovery.<br/><br/>- Stay updated with the latest database features, tools, and industry best practices.<br/><br/> Required Skills & Experience :<br/><br/>- 8+ years of professional experience as a Database Administrator (DBA) in large-scale environments.<br/><br/>- Strong expertise in MySQL 8+ and PostgreSQL administration.<br/><br/>- Hands-on experience with replication and clustering (e.g, MySQL Group Replication, Patroni, pgPool, etc.<br/><br/>- Proficiency in performance tuning (query optimization, indexing strategies, partitioning).<br/><br/>- Experience with backup & recovery tools (Percona XtraBackup, pgBackRest, WAL archiving).<br/><br/>- Knowledge of high availability & disaster recovery (HAProxy, Failover strategies).<br/><br/>- Familiarity with NoSQL databases (MongoDB, Redis, etc.) is a plus.<br/><br/>- Experience with cloud-based DB services (AWS RDS, Aurora, GCP Cloud SQL, Azure Database for PostgreSQL/MySQL).<br/><br/>- Proven capacity planning, scaling strategies, and experience with large-volume transaction systems.<br/><br/>- Strong understanding of database security best practices (encryption, auditing, role-based access).<br/><br/>- Proficiency in Linux system administration related to database hosting.<br/><br/>- Strong scripting skills (Bash, Python, or similar) for automation.<br/><br/>- Familiarity with DevOps practices, CI/CD pipelines, and containerization (Docker, Kubernetes).<br/><br/> Preferred Qualifications :<br/><br/>- Bachelor's or Master's degree in Computer Science, Information Technology, or related field.<br/><br/>- Certifications in MySQL, PostgreSQL, or cloud database technologies.<br/><br/>- Exposure to Data Warehousing, BI, or Big Data platforms.<br/><br/>- Knowledge of monitoring tools like Prometheus, Grafana, Percona Monitoring and Management (PMM), or Zabbix.<br/><br/> Soft Skills :<br/><br/>- Strong problem-solving and analytical skills.<br/><br/>- Excellent communication and documentation abilities.<br/><br/>- Ability to collaborate effectively with cross-functional teams.<br/><br/>- Proactive mindset with a focus on continuous improvement.</p> (ref:hirist.tech)