Senior Database Administrator

Worldline; Polska; On-site; PLN 394,000 - 569,000; Full time

Job summary

Worldline is seeking a Senior Application Database Administrator with deep Oracle and Exadata expertise to ensure performance, high availability, and security of critical database platforms supporting payment systems. The role involves cloud migration work, automation, and strong collaboration with cross-functional teams.

Ideal candidates have 10+ years in DB administration, Oracle Exadata experience, and familiarity with PCI DSS requirements in regulated environments.

Qualifications

• 10+ years of experience in database administration in large-scale environments.
• Strong expertise in Oracle databases and Exadata.
• Experience with Oracle Cloud Infrastructure (OCI) and Exadata Cloud Services.

Responsibilities

• Administer and optimize Oracle databases on Exadata platforms with patching and upgrades.
• Monitor health, diagnose bottlenecks, and resolve incidents to minimize downtime.
• Implement logging, monitoring, and observability for proactive insights.

Skills

Oracle databases

Exadata

OCI (Oracle Cloud Infrastructure)

Terraform

Database security & PCI DSS

Performance tuning

Tools

Oracle Enterprise Manager

Job description

Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

The opportunity

Worldline helps businesses of all shapes and sizes accelerate their growth journey—quickly, simply, and securely. As innovators at the heart of the payments technologyindustry, we shape how the world pays and gets paid. Our technology empowers thegrowth of millions of businesses across five continents. Join us and be part of a globalteam committed to helping customers and colleagues alike achieve success.

Day-to-day responsibilities

As a Senior Application Database Administrator highly specialized in Oracle and Exadata,you will ensure the performance, high availability, security, and scalability of critical Oracledatabase platforms that support our payment systems, in line with standards such as PCIDSS.

Your key responsibilities will include:

Database Administration and Operations

• Administer and optimize Oracle databases on Exadata platforms, includingconfiguration, patching, upgrades, and leveraging Exadata-specific features for highperformance.
• Proactively monitor database health, diagnose performance bottlenecks, and resolve incidents to ensure minimal downtime for critical payment processing.
• Conduct root cause analysis and post-incident reviews to prevent recurrence and strengthen overall database resilience
• Implement comprehensive logging, monitoring through Oracle Enterprise Manager,and observability integrations to gain proactive insights into database performance.

Automation and Process Improvement

• Develop and implement automation for database provisioning, patching, and day[1]to-day operations to improve efficiency and consistency.
• Enhance the consistency, security, and traceability of all database changes.

Cloud Infrastructure and Move to Cloud

• Contribute to our Move to Cloud initiative by migrating and managing OracleExadata workloads on Oracle Cloud Infrastructure (OCI) and Exadata Cloudservices.
• Use Terraform and IaC tools to provision and manage database infrastructure ascode across cloud and hybrid environments.

Collaboration and Stakeholder Management

• Collaborate with application development, SRE, and infrastructure teams to aligndatabase design, performance, and security with business objectives.
• Communicate database health, capacity planning, risks, and recommendationsclearly to both technical and business stakeholders.

Technical Leadership and Innovation

• Deliver innovative solutions and provide expert technical direction on complexOracle database and Exadata challenges

Who are we looking for

• 10+ years of experience in database administration, with strong expertise in Oracle databases and Oracle Exadata in large-scale, business-critical environments.
• Deep technical knowledge of Oracle database administration, performance tuning, high availability, backup & recovery, patching, upgrades, and troubleshooting.
• Hands-on experience with Oracle Exadata, including Exadata-specific features and technologies for optimizing database performance and resilience. Practical experience or strong interest in Oracle Cloud Infrastructure (OCI) and Exadata Cloud Services, particularly in the context of cloud migration initiatives.
• A solid understanding of database security and compliance, ideally including PCI DSS requirements in a payment or similarly regulated environment.
• Strong analytical and problem-solving skills, with the ability to investigate complex technical issues and develop sustainable solutions rather than short-term fixes.
• A senior ownership mentality: you take responsibility for the stability and evolution of the platform, provide technical leadership, and are comfortable driving solutions for complex Oracle and Exadata challenges.
• Fluent communication in English; German is an advantage.

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Shape the evolution

We are on an exciting journey towards the next frontiers of payments technology, and we look for big thinkers, people with passion, can-do attitude and a hunger to learn and grow. Here you'll work with ambitious colleagues from around the world, take on unique challenges as a team, and make a real impact on the society. With an empowering culture, strong technology and extensive training opportunities, we help you accelerate your career - wherever you decide to go. Join our global team of 18,000 innovators and shape a tomorrow that is yours to own.

Learn more about life at Worldline at jobs.worldline.com

We are proud to be an Equal Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, gender expression, age, status as an individual with a disability, or any applicable legally protected characteristics.

Job Location: Italy - Milan, Italy - Rome, Italy - Trento, Switzerland - Zurich