Database Administrator

Smartedge Solutions; Dublin; Hybrid; EUR 85,000 - 120,000; Full time

Job summary

Smartedge Solutions in Dublin, Ireland is seeking an experienced Database Administrator to join our hybrid team. You will manage Oracle and PostgreSQL databases across AWS (RDS, Aurora, EC2), focusing on performance tuning, security, and high availability.

You’ll work with developers, system administrators and DevOps to ensure smooth integrations, handle incidents, backups, DR planning, and change management.

Qualifications

• Extensive DBA experience with Oracle and PostgreSQL.
• Experience with AWS cloud infrastructure and RDS.
• Ability to work in hybrid development/production environments.
• Willingness to shift and overtime.
• Strong problem-solving and attention to detail.

Responsibilities

• Own stability, performance, and availability of production databases.
• Resolve incidents and perform root-cause analyses.
• Define database standards and guardrails.
• Perform change management.
• Administer Oracle and PostgreSQL on AWS (RDS/Aurora/EC2).
• Configure backups, DR plans, and recovery.
• Tune performance at system, query, and indexing levels.
• Collaborate with DevOps and development teams.
• Automate DBA tasks with scripting and CI/CD.

Skills

DBA experience

Oracle

PostgreSQL

AWS

Performance tuning

Shift work

Interpersonal skills

Tools

SQL Developer

PGAdmin

Shell scripting

PowerShell

PL/SQL

PG/SQL

GitHub

Terraform

Ansible

JIRA

ServiceNow

Confluence

AWS Backup

Job description

Smartedge Client is looking for an individual to help with their Database Administrator @ Dublin, Ireland (Hybrid Working)

Job Description :

The Database team is responsible for managing and supporting our Managed Services clients. The role involves being a member of the database team within Managed Services which is responsible for maintaining managed services databases on the cloud (oracle 19c, Postgres 17) including:

• Management of all managed services environments (internal and client-facing)
• Provide support for any database related issues to all clients, particularly managed services clients
• Manage high severity incidents via SPGI process and work with all stakeholders to resolve issues as soon as possible including attending client bridge calls
• Ensure Database requests are dealt with within defined SLA’s
• Modelling and scripting database changes for all our products
• Ensure client releases are packaged and made available in a timely manner
• Be available for occasional on-call rotation or weekend deployments

Our cloud is hosted on AWS, and includes Amazon RDS, Amazon EC2, and Amazon Aurora. The role requires expertise in database performance tuning, security, cloud-based best practices, and ensuring continuous availability.

The DBA will collaborate closely with developers, system administrators, and DevOps teams to ensure efficient database integration with business applications.

Production Stability and Reliability

• Own the stability, performance, and availability of all production database environments.
• Work on incident resolution, root cause analysis, and prevention strategies.
• Define and enforce database operational standards, guardrails, and best practices.
• Perform Change Management

Database Management & Maintenance

• Administer and maintain Oracle and PostgreSQL databases hosted on Amazon RDS, Amazon Aurora, and Amazon EC2.
• Perform database installations, patching, and upgrades on AWS infrastructure.
• Configure and manage multi-AZ deployments, Read Replicas, and cross region architectures
• Implement database partitioning, compression, and indexing to optimize performance.

Performance Engineering

• Conduct deep performance analysis at the system, query, and indexing levels.
• Recommend and implement architectural improvements for scalability.
• Guide application teams in schema and query optimization.

Backup & Recovery

• Design and implement automated backup strategies using AWS Backup and RDS Automated Snapshots for RDS oracle and Aurora Postgres
• Use Oracle RMAN for Oracle database backups and recovery.
• Develop and test disaster recovery plans.

Monitoring & Alerting

• Configure proactive alerts for performance issues, storage limits, and availability risks using CloudWatch, lambda and AWS SNS.
• Collaborate with developers, cloud architects, and DevOps teams to integrate database changes into CI/CD pipelines.
• document database architectures, configurations, backup strategies, and recovery plans.
• Drive automation of operational DBA tasks using PowerShell, Python, AWS CLI, GitHub Actions or similar tools.
• Evaluate and implement new database technologies, monitoring solutions, and optimization tools.

Tools & Technologies

• SQL Developer, PGAdmin
• Shell scripting, PowerShell, PL/SQL, PG/SQL
• GitHub, Terraform, Ansible,
• JIRA, Service Now, Confluence
• AWS native services including AWS Backup

What We’re Looking For:

• Strong experience as a DBA, with a strong emphasis on oracle, Postgres, AWS and performance tuning.
• Familiar with working in both development and production environments
• Willingness to work any shift and to perform additional hours as needed.
• Good interpersonal skills and ability to operate in a dynamic environment
• Excellent Problem-Solving Skills
• Strong attention to detail