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

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.

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.

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 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

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.

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 utilization

Storage utilization

Capacity planning

Connection/session analysis

Bottleneck identification

Storage growth

Database scalability

Proactively identify capacity and performance risks before they become production incidents.

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

The DBA should be able to determine whether a database issue originates from the database itself or from the underlying operating system, storage, infrastructure or network.

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

Incident Management & Root-Cause Analysis

Independently handle complex and critical database incidents.

Responsibilities include:

Incident investigation

Database troubleshooting

Service recovery

Root-cause analysis

Corrective actions

Preventive actions

Technical escalation

Post-incident review

Documentation of findings and solutions

The objective is not only to restore the database service but also to identify the underlying root cause and prevent recurrence.

SLA & Production Support

Operate within SLA-driven production environments.

You will:

Prioritize incidents according to severity and customer impact.

Support critical production incidents.

Identify potential SLA risks early.

Escalate when specialist or additional technical support is required.

Maintain clear technical documentation and ticket updates.

Drive database issues through sustainable resolution.

Experience with structured ITSM/ticketing tools, preferably Jira / Jira Service Management, is an advantage.

Documentation & Knowledge Management

Create, maintain and continuously improve:

DBA procedures

SOPs

Runbooks

Troubleshooting guides

Backup/recovery procedures

Monitoring procedures

Known-error documentation

Knowledge-base articles

Cross-Skilling – ZONOS Knowledge

The primary responsibility of this role remains Database Administration.

As part of the Support cross-skilling approach, the DBA will progressively acquire operational knowledge of the ZONOS platform to better understand how databases interact with the wider application environment.

This includes basic operational understanding of:

ZONOS architecture and components

Application/database dependencies

Application health

Application logs

Linux/Kubernetes dependencies

Database/application connectivity

Monitoring

Standard documented ZONOS troubleshooting procedures

This knowledge enables the DBA to contribute more effectively to L3 incident investigation and work closely with the E2E Support team.

The DBA remains the database specialist. Complex ZONOS application troubleshooting, architecture, product defects and code-level investigation remain with the respective E2E/System Engineering/Development specialists.

Previous ZONOS knowledge is not required at recruitment and will be developed through structured knowledge transfer and practical experience.

24/7 Production Operations

Willingness and capability to participate in 24/7/365 production Support operations according to the defined shift/on-call model.

This may include scheduled:

Day/night coverage

Weekend coverage

Public-holiday coverage

Critical incident support

Structured technical handover is required to ensure service continuity.

Required Skills & Qualifications

Minimum 5 years of relevant DBA experience, including at least 3 years supporting business-critical production database environments.

Strong Oracle 19c administration.

Strong Oracle RAC and Data Guard expertise.

Strong Oracle performance tuning and SQL optimization.

Strong PostgreSQL administration.

PostgreSQL backup, replication, PITR, recovery and migration.

Hands-on ClickHouse administration.

Strong Linux administration and troubleshooting.

Kubernetes production knowledge.

Experience supporting database workloads on Kubernetes.

Shell/Bash/Python or equivalent scripting skills.

OCI, AWS, Azure or equivalent cloud experience.

Strong monitoring and observability capabilities.

Strong backup, restore and recovery expertise.

Experience with HA and DR environments.

Strong production troubleshooting and RCA skills.

Experience operating within SLA-driven production environments.

Ability to handle critical production incidents independently.

Strong documentation and knowledge-sharing skills.

Experience with large-scale enterprise production systems.

Hybrid and multi-cloud experience.

Jira / Jira Service Management.

Grafana, Prometheus, MONIT or equivalent monitoring tools.

Terraform.

Ansible.

Docker.

Kubernetes Operators.

OKE.

Jenkins.

GitLab.

GitHub Actions.

You bring:

Strong analytical and problem-solving skills.

Deep database troubleshooting capability.

Strong ownership and accountability.

Ability to work independently on critical production systems.

Ability to work effectively under pressure.

A proactive approach to performance, security and reliability.

Clear technical communication.

Strong collaboration across technical teams.

Willingness to continuously develop your technical knowledge.

Willingness to share knowledge and support cross-skilling.

Willingness to support 24/7 production operations.

Strong problem-solving skills and ability to handle high-pressure production issues

Experience working in high-availability and disaster recovery environments

Clear communication and collaboration skills for cross-team coordination

A proactive mindset with attention to performance, security, and reliability

Willingness to support 24×7 operations and participate in on-call rotations

Good to Have

Infrastructure as Code (Terraform, Ansible)

Docker, Kubernetes Operators, OKE

CI/CD tools (Jenkins, GitLab, GitHub Actions)