Senior Database Administrator (DBA)

Arohana Tech Solutions Private Limited; Bangalore Rural; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

Arohana Tech Solutions Private Limited seeks a highly skilled Senior Database Administrator (DBA) to join its SRE team. The role focuses on cloud-deployed multi-master PostgreSQL, MySQL, and Cassandra environments across Azure and AWS, with emphasis on reliability, scalability, and performance tuning to keep services running smoothly.

Responsibilities include designing, deploying, and maintaining multi-master PostgreSQL clusters, ensuring high availability and DR, implementing monitoring and

Qualifications

• 7+ years of hands-on DBA experience with PostgreSQL.
• Experience with Aurora DB (Managed Postgres Cloud).
• Proven experience managing Cassandra clusters.
• Experience with multi-master PostgreSQL in cloud environments (Azure & AWS).
• Strong SQL tuning, indexing, and query optimization.
• IaC tools such as Terraform and Ansible familiarity.
• Monitoring with Prometheus, Grafana, CloudWatch, and Azure Monitor.
• Knowledge of security, governance, and ITSM practices.

Responsibilities

• Design, deploy, and maintain multi-master PostgreSQL clusters in Azure and AWS.
• Ensure high availability, disaster recovery, and replication strategies.
• Collaborate with SREs, developers, and product teams to optimize DB performance.
• Implement monitoring, alerting, and automation for 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.

Skills

PostgreSQL

Cassandra

Aurora DB

Cloud platforms

Tools

Terraform

Ansible

Prometheus

Grafana

CloudWatch

Azure Monitor

Job description

• Proven Experience on Managing Cassandra Clusters

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 Karolium’s 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 s 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 C 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.

Certifications (Preferred)

• PostgreSQL Certified Professional
• AWS Certified Database – Specialty
• Microsoft Certified: Azure Database Administrator Associate
• Relevant SRE/DevOps certifications

Skills: azure,dba,postgresql,aurora db,aws,cassandra