Role Overview :

We are seeking an experienced and highly skilled Database Administrator (DBA) with expertise in MySQL 8+ and PostgreSQL.

The DBA will be responsible for the design, implementation, administration, and performance optimization of large-scale database systems.

The ideal candidate should have proven experience in high-availability environments, performance tuning, troubleshooting, and database security best practices.

Key Responsibilities :

- Design, install, configure, and maintain MySQL 8+ and PostgreSQL database systems across development, staging, and production environments.

- Architect and implement high availability, clustering, replication, and disaster recovery solutions.

- Monitor database performance, proactively identify bottlenecks, and implement tuning and optimization strategies (indexes, queries, caching).

- Ensure data security, integrity, and compliance by implementing database access controls, encryption, and backup strategies.

- Troubleshoot complex database issues, conduct root cause analysis, and provide permanent resolutions.

- Collaborate with application and DevOps teams to optimize database schemas, queries, and stored procedures.

- Implement and maintain monitoring and alerting systems for database health and performance.

- Manage scaling strategies to support large-scale, high-volume applications.

- Document standards, procedures, and guidelines for database management and disaster recovery.

- Stay updated with the latest database features, tools, and industry best practices.

Required Skills & Experience :

- 8+ years of professional experience as a Database Administrator (DBA) in large-scale environments.

- Strong expertise in MySQL 8+ and PostgreSQL administration.

- Hands-on experience with replication and clustering (e.g, MySQL Group Replication, Patroni, pgPool, etc.

- Proficiency in performance tuning (query optimization, indexing strategies, partitioning).

- Experience with backup & recovery tools (Percona XtraBackup, pgBackRest, WAL archiving).

- Knowledge of high availability & disaster recovery (HAProxy, Failover strategies).

- Familiarity with NoSQL databases (MongoDB, Redis, etc.) is a plus.

- Experience with cloud-based DB services (AWS RDS, Aurora, GCP Cloud SQL, Azure Database for PostgreSQL/MySQL).

- Proven capacity planning, scaling strategies, and experience with large-volume transaction systems.

- Strong understanding of database security best practices (encryption, auditing, role-based access).

- Proficiency in Linux system administration related to database hosting.

- Strong scripting skills (Bash, Python, or similar) for automation.

- Familiarity with DevOps practices, CI/CD pipelines, and containerization (Docker, Kubernetes).

Preferred Qualifications :

- Bachelor's or Master's degree in Computer Science, Information Technology, or related field.

- Certifications in MySQL, PostgreSQL, or cloud database technologies.

- Exposure to Data Warehousing, BI, or Big Data platforms.

- Knowledge of monitoring tools like Prometheus, Grafana, Percona Monitoring and Management (PMM), or Zabbix.

Soft Skills :

- Strong problem-solving and analytical skills.

- Excellent communication and documentation abilities.

- Ability to collaborate effectively with cross-functional teams.

- Proactive mindset with a focus on continuous improvement.