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?

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:

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

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

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.

Must-haves (to thrive in this role)

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

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

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

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

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

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

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

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

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

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.

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

Nice-to-haves (great if you have them, but not a dealbreaker)

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

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)