Senior Database Admin (AWS & Postgres)

Posted 5 Days Ago
Be an Early Applicant
Dublin, IRL
In-Office
Senior level
Information Technology • Consulting
The Role
Manage mission-critical Oracle and PostgreSQL databases across AWS RDS, Aurora, and EC2. Responsibilities include performance tuning, upgrades, patching, incident response, backup and recovery, replication, disaster recovery, monitoring, automation, database deployments, and collaboration with DevOps teams. The role includes occasional on-call rotations and weekend deployments.
Summary Generated by Built In
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.


Skills Required

  • 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
  • Production support, incident management, and root cause analysis experience
  • Knowledge of scripting, automation, and DevOps tools
  • Excellent troubleshooting and communication skills
  • AWS or Oracle certifications
  • Experience supporting enterprise Managed Services environments
  • Knowledge of GitHub Actions, CI/CD, and database automation
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The Company
HQ: Vaughan, Ontario
345 Employees
Year Founded: 2007

What We Do

@TechBlocks we power the software defined industries (SDI) of today and tomorrow. We are a software engineering and consulting firm. We build modern digital value chains and businesses reimagined to create frictionless experiences for innovative monetization methods and drive unforeseen efficiencies. We are known to build world class custom platforms and products that are cloud native for some of the worlds largest brands. We are the go to technology partners for born in digital businesses that grew with us from "Concept to Commercialization" and have revenues between $100M - $10B. We help modern businesses transition just from a technology outsourcing mentality to help create globally distributed digital COEs and mature them. Our converged COEs that we create in partnership with our clients help power software factories that are extremely dynamic. We have created modern digital COEs and factories that are created with a single minded goal to future proof our clients businesses. Everything we do is centred around two philosophies and practices - Design Thinking and Lean Engineering. Whether it is building digital commerce platforms, marketplace for worlds largest retailers or smart utilities applications and products or digital health products/platforms that power wearables, patches or devices across healthcare landscape; we do it all with speed and sophistication that is unmatched in the industry

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