Job Summary :
We are seeking a highly skilled and experienced Senior Database Administrator (DBA) with strong expertise in PostgreSQL, MongoDB, and MySQL. The ideal candidate will be responsible for designing, implementing, and managing enterprise-grade database systems, ensuring high availability, performance, security, and scalability across all environments.
Key Responsibilities :
- Design, configure, and administer PostgreSQL (Multi-Master Replication) and MongoDB (High Availability Cluster) environments.
- Manage MySQL databases for optimal performance, scalability, and reliability.
- Plan and execute database upgrades, migrations, and patching activities.
- Implement and maintain robust backup, recovery, and disaster recovery (DR) strategies.
- Monitor and tune database performance, identifying and resolving bottlenecks proactively.
- Develop and enforce database security policies, including access control and data encryption.
- Collaborate with development teams to optimize schema design and SQL query performance.
- Maintain detailed documentation for configurations, processes, and standard operating procedures.
- Perform regular backup restoration tests and ensure data integrity.
- Work effectively in a Linux-based environment and be available for on-call or shift-based support if required.
Qualifications & Experience :
Bachelors degree in Computer Science, Information Technology, or a related field.Minimum 4+ years of hands-on experience in Database Administration (PostgreSQL, MongoDB, and MySQL).Proven experience in replication, clustering, backup, and recovery.Strong understanding of database tuning, performance optimization, and high availability.Good knowledge of Linux system administration and scripting.Familiarity with database security standards and best practices.Excellent problem-solving and analytical skills.Relevant certifications in PostgreSQL or MongoDB are preferred.(ref : hirist.tech)