Senior Database Administrator- Postgre/MySQL

Role Overview

We are seeking a highly skilled Senior Database Administrator (DBA) to join our SRE team. The ideal candidate will be responsible for managing and supporting cloud-deployed multi-master PostgreSQL MySQL and Cassandra environments across Azure and AWS. This role demands deep expertise in database reliability, scalability, and performance tuning to ensure Karoliums mission-critical services run seamlessly..

Key Responsibilities

• Design, deploy, and maintain multi-master PostgreSQL clusters in Azure and AWS
• Ensure high availability, disaster recovery, and replication strategies for cloud-hosted databases
• Collaborate with SREs, developers, and product teams to optimize database performance for Karolium
• Implement monitoring, alerting, and automation for proactive database management
• Conduct capacity planning, performance tuning, and query optimization
• Troubleshoot complex database issues and provide root cause analysis
• Ensure compliance with security, governance, and industry best practices
• Mentor junior DBAs and contribute to knowledge-sharing within the SRE team

Required Skills & Qualifications

• 7+ years of hands-on experience as a DBA, with strong expertise in PostgreSQL
• Proven Experience on Aurora DB (Managed Postgres Cloud)
• Proven Experience on Managing Cassandra Clusters
• Proven experience managing multi-master PostgreSQL deployments in cloud environments (Azure & AWS)
• Strong knowledge of database replication, clustering, and failover mechanisms
• Proficiency in SQL performance tuning, indexing strategies, and query optimization
• Experience with infrastructure-as-code tools (Terraform, Ansible, etc.) for database automation
• Familiarity with monitoring tools (Prometheus, Grafana, CloudWatch, Azure Monitor)
• Excellent problem-solving and analytical skills
• Strong communication and collaboration abilities
• Proven knowledge of Database Tuning
• Proven knowledge of Query Optimization
• Knowledge of Patching and Security Updates
• Knowledge of ITSM Process.