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.

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 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.

Preferred skills and qualifications

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.

Your profile

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.

What You Bring to the Team

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)

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

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