Senior Database Administrator

Worldline; Zürich; On-site; CHF 150,000 - 190,000; Full time

Job summary

Worldline is seeking a Senior Application Database Administrator with deep Oracle and Exadata expertise to ensure high-performance, highly available database platforms for payments systems. You will drive security, patching, and cloud migration initiatives while partnering with development, SRE, and infrastructure teams.

The role requires 10+ years of experience, Oracle Exadata proficiency, and strong English communication; German is a plus.

Qualifications

• 10+ years of experience in database administration with Oracle and Exadata.
• Experience in large-scale, business-critical environments.
• Solid understanding of database security and PCI DSS requirements.
• Strong English communication; German a plus.

Responsibilities

• Administer and optimize Oracle databases on Exadata platforms, including configuration and upgrades.
• Proactively monitor health, diagnose performance bottlenecks, and resolve incidents to minimize downtime.
• Conduct root cause analysis and post-incident reviews to prevent recurrence.
• Implement logging, monitoring via Oracle Enterprise Manager, and observability integrations.
• Develop automation for provisioning, patching, and day-to-day operations.
• Migrate and manage Oracle Exadata workloads on OCI/Exadata Cloud Services.
• Collaborate with development, SRE, and infrastructure teams to align design, performance and security with business goals.
• Provide technical leadership on complex Oracle and Exadata challenges.

Skills

Oracle databases

Exadata

Performance tuning

High availability

Backup & recovery

Patch & upgrade

Security & PCI DSS

Terraform

Tools

Oracle Enterprise Manager

OCI

Exadata Cloud Service

Job description

Who We Are

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.

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 technology industry, we shape how the world pays and gets paid. Our technology empowers the growth of millions of businesses across five continents. Join us and be part of a global team 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 Oracle database platforms that support our payment systems, in line with standards such as PCI DSS.

Your Key Responsibilities Will Include

Database Administration and Operations

• Administer and optimize Oracle databases on Exadata platforms, including configuration, patching, upgrades, and leveraging Exadata-specific features for high performance.
• 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 Oracle Exadata workloads on Oracle Cloud Infrastructure (OCI) and Exadata Cloud services.
• Use Terraform and IaC tools to provision and manage database infrastructure as code across cloud and hybrid environments.

Collaboration and Stakeholder Management

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

Technical Leadership and Innovation

• Deliver innovative solutions and provide expert technical direction on complex Oracle 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.

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.