Database Administrator - Bengaluru Only (m/f/d)

Cuculus; Bengaluru; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

CUCULUS is seeking a Senior Database Administrator to maintain highly available production database environments across on-premises, cloud, and hybrid setups. The role emphasizes reliability, security and performance while collaborating with System Engineering, Support and Development teams.

You will manage Oracle 19c (RAC, Data Guard), PostgreSQL and ClickHouse, implement backup strategies, monitor health, perform migrations and automate recurring tasks using shell, Python or equivalent.

Qualifications

• Experience with Oracle 19c including RAC and Data Guard.
• Strong PostgreSQL administration skills in production environments.
• Hands-on ClickHouse administration and operations.
• Proficiency with Linux, Kubernetes and cloud platforms.

Responsibilities

• Administer Oracle 19c RAC and Data Guard environments.
• Manage PostgreSQL installations, backups, replication, and PITR.
• Operate ClickHouse clusters and ensure high availability.
• Monitor and tune database performance, capacity, and queries.
• Plan migrations, upgrades, and patching with minimal downtime.
• Develop automation scripts for recurring DBA tasks.
• Support HA/DR, backups, recovery, and incident response.
• Collaborate with Linux, Kubernetes, and cloud engineering teams.

Skills

Oracle 19c

RAC

Data Guard

PostgreSQL

ClickHouse

Linux

Kubernetes

Cloud knowledge

SQL optimization

Performance tuning

Tools

MONIT

Grafana

Prometheus

Job description

About Us

Cuculus is the key to providing utilities to all, while protecting the world’s precious resources. Jointly with our international partner network, we provide cutting-edge software and technology solutions to address utility challenges now and in the future. Cuculus will never tire of creating innovative technology and services that enable utilities and organisations to successfully transition to a new era of providing and managing electricity, water, and gas. The work we do is important for individuals, cities, and entire nations. Our work is serious, but we have fun with it, too.

Cuculus is the key to providing utilities to all, while protecting the world’s precious resources. Jointly with our international partner network, we provide cutting-edge software and technology solutions to address utility challenges now and in the future. Cuculus will never tire of creating innovative technology and services that enable utilities and organisations to successfully transition to a new era of providing and managing electricity, water, and gas. The work we do is important for individuals, cities, and entire nations. Our work is serious, but we have fun with it, too.

Shape the utilities market of the future with us!

At CUCULUS, we build intelligent digital solutions that help utilities become more efficient, sustainable, and future-ready. By joining our technology team, you’ll work on business-critical systems that power large-scale utility operations, contribute to high-impact projects, and collaborate with global teams across cloud and hybrid environments.

What is the role about?

As a Senior Database Administrator, you will be responsible for highly available, mission-critical database environments and ensure their availability, performance, security, resilience and recoverability.

You will:

• Administer and support Oracle 19c databases, including RAC and Data Guard.
• Manage PostgreSQL databases across on-premise and cloud environments.
• Administer and support ClickHouse database environments.
• Support business-critical 24/7/365 production operations within defined SLAs.
• Perform database performance tuning, SQL optimization and capacity planning.
• Implement proactive database monitoring and health checks.
• Plan and execute database migrations, upgrades and patching.
• Maintain backup, restore and recovery strategies.
• Support High Availability and Disaster Recovery environments.
• Deploy and support database workloads on Kubernetes.
• Troubleshoot database, Linux, storage, connectivity and performance issues.
• Develop scripts and automation for recurring DBA activities.
• Perform deep root-cause analysis for database-related incidents.
• Support critical production incidents and customer escalations.
• Maintain DBA procedures, runbooks and technical documentation.
• Work closely with System Engineering, Support and Development teams.

We are always looking for support in the following areas:

Your work will contribute directly to:

• Production database availability
• Database reliability and resilience
• Performance and scalability
• Faster incident resolution
• SLA fulfilment
• Backup and recovery readiness
• HA/DR readiness
• Proactive monitoring
• Automation and operational efficiency
• Continuous improvement of database operations

Your Mission & Impact

Your mission is to ensure that our database platforms remain stable, performant, secure, scalable and recoverable.

You will take ownership of complex database issues from investigation through recovery and root-cause analysis while proactively identifying risks before they affect production systems or customers

Your Role at a Glance

We are looking for a Senior Database Administrator with strong expertise in Oracle, PostgreSQL and ClickHouse, backed by solid Linux, Kubernetes and cloud knowledge.

You will manage and support highly available, mission-critical production database environments across on-premises, cloud and hybrid platforms.

The role requires strong hands-on technical capability, independent troubleshooting, production ownership and the ability to support critical database incidents within strict SLAs.

Required Skills And Qualifications

Strong hands-on experience with Oracle 19c, including:

• Oracle RAC
• Data Guard
• Database administration
• Performance tuning
• SQL optimization
• Execution analysis
• Backup and recovery
• Capacity management
• Patching
• Upgrades
• Migration
• Security
• High Availability
• Disaster Recovery

PostgreSQL Administration

Strong production PostgreSQL administration, including:

• Installation and configuration
• Database administration
• Backup and restore
• Replication
• PITR
• Recovery
• Performance analysis
• Query troubleshooting
• Migration
• Upgrades
• Capacity management
• Security
• High Availability

ClickHouse Administration

Hands-on ClickHouse administration and operational support, including:

• Installation and configuration
• Cluster operations
• Query troubleshooting
• Performance monitoring and tuning
• Storage and capacity management
• Backup and recovery
• Replication
• High Availability

Performance & Capacity Management

Monitor, analyse and optimize database performance, including:

• SQL/query optimization
• Execution analysis
• Database performance tuning
• CPU and memory utilisation
• Storage utilisation
• Capacity planning
• Connection/session analysis
• Bottleneck identification
• Storage growth
• Database scalability

Monitoring & Observability

Implement, maintain and continuously improve database monitoring and observability.

Experience with MONIT, Grafana, Prometheus or equivalent tools is expected.

Monitor:

• Database availability
• Database health
• Performance
• Capacity
• Storage
• Connections and sessions
• Replication
• Backup status
• HA/DR status
• Logs
• Alerts

Backup, Recovery & Disaster Recovery

Design, maintain and support reliable database backup and recovery capabilities, including:

• Backup strategies
• Restore procedures
• PITR
• Replication
• Recovery procedures
• Recovery validation
• Disaster Recovery
• Failover/failback
• Recovery testing
• Production recovery

Linux Administration

Strong hands-on Linux administration and troubleshooting skills, including:

• Processes and services
• CPU and memory
• Disk and storage
• File systems
• Permissions
• Networking
• Logs
• Security
• Performance troubleshooting

Kubernetes

Experience supporting databases in production Kubernetes environments, including:

• Pods
• Services
• Networking
• Storage
• Persistent volumes
• Configuration
• Monitoring
• Logs
• Database workload troubleshooting

Ability to deploy and support database workloads on Kubernetes.

Cloud & Infrastructure

Experience with:

• Oracle Cloud Infrastructure (OCI)
• AWS and/or Azure
• Cloud database services
• RDS/PaaS database services
• Cloud networking
• Storage
• Security
• Access control
• HA and multi-AZ concepts
• Backup and recovery
• Hybrid environments

Scripting & Automation

Experience with Shell/Bash, Python or equivalent scripting technologies.

Use automation to improve:

• Database health checks
• Monitoring
• Backup validation
• Capacity checks
• Diagnostics
• Log collection
• Reporting
• Repetitive DBA activities
• Operational efficiency

Database Security & Reliability

Support and maintain:

• Database access controls
• Users and roles
• Permissions
• Security patches
• Database hardening
• Linux security
• Operational security controls
• Database reliability standards