Title: Senior Database Administrator (Oracle & PostgreSQL – AWS)
Location: Dublin, Ireland
Employment Type: Contract
Experience: 12+ Years
About the Role
TechBlocks is looking for an experienced Senior Database Administrator (DBA) with strong expertise in Oracle, PostgreSQL, and AWS cloud services to manage and support mission-critical production databases.
Key Responsibilities
- Manage and maintain Oracle 19c and PostgreSQL 17 databases on AWS RDS, Aurora, and EC2.
- Ensure database performance, availability, security, and reliability.
- Perform database installations, upgrades, patching, and performance tuning.
- Handle production incidents, root cause analysis (RCA), and troubleshooting.
- Implement backup, recovery, replication, and disaster recovery solutions.
- Monitor database performance using CloudWatch, Oracle OEM, and Foglight.
- Automate DBA tasks using Python, PowerShell, Terraform, and Ansible.
- Collaborate with DevOps and development teams on database deployments and CI/CD.
- Support occasional on-call rotations and weekend deployments.
Required Skills
- 12+ years of hands-on database administration experience.
- Strong expertise in Oracle 19c and PostgreSQL 17.
- Hands-on AWS experience with RDS, Aurora, and EC2.
- Advanced SQL performance tuning, indexing, and query optimization.
- Experience with Oracle RMAN, AWS Backup, and high-availability solutions.
- Strong production support, incident management, and RCA experience.
- Knowledge of scripting, automation, and DevOps tools.
- Excellent troubleshooting and communication skills.
Preferred Skills
- AWS or Oracle certifications.
- Experience supporting enterprise Managed Services environments.
- Knowledge of GitHub Actions, CI/CD, and database automation.
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