Senior DBA - Oracle & PostgreSQL

Luxoft; Dublin; On-site; EUR 90,000 - 130,000; Full time

Job summary

Luxoft is seeking an experienced Senior Database Administrator to manage Oracle 19c and PostgreSQL 17 across AWS environments, including RDS, Aurora PostgreSQL, and EC2. You will drive stability, performance, automation, and DR planning in complex production settings.

You will lead incident resolution, perform upgrades, and collaborate with DevOps, Cloud, and Architecture teams to enable CI/CD and cloud adoption. Strong scripting and IaC skills are required.

Qualifications

• Experience managing Oracle 19c and PostgreSQL 17 databases in AWS environments.
• Experience with Amazon RDS, Aurora PostgreSQL, and EC2 deployments.
• Ability to lead incident resolution for production databases and support high-severity issues.

Responsibilities

• Install, upgrade, patch, and maintain database lifecycle management.
• Tune performance, optimize queries, index, partition, and scale databases.
• Design and implement backup, recovery, and DR strategies using AWS tools.

Skills

Oracle 19c

PostgreSQL 17

AWS

PL/SQL

Shell scripting

Tools

Terraform

Ansible

GitHub

Python

PowerShell

Job description

We're looking for an experienced Senior Database Administrator to join our team, supporting business-critical Oracle and PostgreSQL environments hosted on AWS. This is an excellent opportunity for a DBA who enjoys working in complex production environments, driving stability, performance, automation, and continuous improvement across cloud database platforms.

What You'll Do

• Manage and support Oracle 19c and PostgreSQL 17 databases across AWS environments.
• Administer databases hosted on Amazon RDS, Aurora PostgreSQL, and EC2.
• Lead resolution of production database incidents, including high-severity client-facing issues.
• Perform database installations, upgrades, patching, maintenance, and lifecycle management.
• Drive database performance tuning, query optimisation, indexing, partitioning, and scalability improvements.
• Design and maintain backup, recovery, and disaster recovery solutions using AWS Backup, RDS snapshots, and Oracle RMAN.
• Configure and support high-availability architectures, including Multi-AZ, Read Replicas, and cross-region deployments.
• Implement proactive monitoring, alerting, and capacity management using AWS native tools.
• Support database changes, release deployments, and change management processes.
• Work closely with Development, DevOps, Cloud, and Architecture teams to support CI/CD and cloud adoption initiatives.
• Automate operational tasks using Python, PowerShell, Shell scripting, AWS CLI, GitHub Actions, and related tools.
• Participate in production support, occasional on-call rotations, and weekend deployments.
• Oracle Database (19c)
• AWS RDS, Aurora, and EC2
• Database performance tuning and optimisation
• Backup, recovery, and disaster recovery planning
• Production support and incident management
• High availability and resilience architectures
• Oracle RMAN
• AWS Backup and CloudWatch
• SQL Developer, PGAdmin, OEM and Foglight
• Shell scripting, PowerShell, PL/SQL and PostgreSQL scripting
• Terraform, Ansible and GitHub

Nice to Have

• Infrastructure as Code and cloud automation expertise
• Financial services or regulated industry experience
• Experience improving database observability and operational automation

Why Apply?

You'll play a key role in maintaining and improving highly available cloud database platforms supporting global clients. This role offers exposure to modern AWS database technologies, challenging production environments, and the opportunity to drive automation, reliability, and performance improvements at scale.