Production Administrator - L1 Application Support

About Bull
Bull is a story. One with a century of European innovation and a working environment where experts design powerful, sustainable, and sovereign digital solutions, enabling states and industries to retain full control over their data and their AI.

Bull is also thousands of engineers, researchers, and passionate tech people shaping the future of high‑performance computing, AI, and quantum technologies.

Every day, our teams push the boundaries of what is technologically possible – from next‑generation HPC architectures to exascale supercomputers – supported by world‑class R&D, more than 1,600 patents, and unique end‑to‑end capabilities spanning hardware design, software engineering, data science and quantum research.

We are a people‑centric, innovation‑driven company, where collaboration spans Europe, the Americas and India. We share a common vision of a responsible and sustainable innovation that delivers concrete impact for our customers.

Level 1/2 Operations Technicians
Main Mission ensure daily monitoring of the IS, execution of recurring operations, and initial incident analysis.

Responsibilities

• Supervision (Nagios or Zabbix)
• Alert handling and escalation (ITIL)
• Execution of operational procedures
• Daily checks backups, capacity, cluster health
• Simple interventions under supervision (restart, minor patching)
• Participation in deployments (support)

Key Skills

• Rigor, documentation
• Monitoring tools
• General knowledge of virtualization + network + storage

Why join us?

• Work on high-impact projects integrating cloud, AI, and data technologies.
• A collaborative environment focused on innovation, mentorship, and knowledge-sharing.
• Training and Certifications Access to continuous learning and career development opportunities.
• Flexible working environment
• Competitive salary and benefits package.
• Reimbursement Get a yearly fixed amount for reimbursement.
• Performance Bonus Earn an annual performance bonus based on your achievements.
• Career Advancement Explore numerous opportunities for professional growth and career advancement.
• Extra Vacation Days Take advantage of additional vacation days to relax and recharge.

Join us!
Here, your ideas, your curiosity, and your technical excellence directly shape the next era of advanced computing - unlocking enterprise value, accelerating scientific progress, and driving positive impact for society.

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The opportunity
The Service Delivery Manger (SDM) is a member of a Digital and Fraud division.

SDM is the first Point of Contact for Local and Global Product Lines for all topics related to delivery of the services within her/his perimeter.

Day-to-day Responsibilities

• Service design

Analyze demand, specify requirements with architect services support (ARB), cost deployment and RUN part of the service (global and local).

Establish operating agreements, processes and service levels with Business.

• Service Deployment & Delivery

Monitor & Control service production implementation (investments, planning, process, configuration, tests,…)

Understand business at functional and technical flows level to provide guidance to technical teams.

Assess together with Ops team impact on SLA/OLA and define common improvement plan.

Ensure that the Change and Release management processes are respected.

Ensure the production readiness before any delivery in production. The called Promote to production for any new IT item, or new software component is under the SDM responsibility.

In case of incidents, manage operational teams to restore service, fix short term issues and manage mid-term problem resolution

Manage the interface with internal customers on operational level.

Save guard quality, availability and continuity of the service delivery.

Control production services costs using the enterprise service costing model.

• Service Management Planning

Manage capacity planning in regard of the business trends.

Work with the Business to identify new Service needs and opportunities or major structural changes on existing Services.

Who Are We Looking For

• Graduate degree in informatics or in a cognate discipline or comparable proficiency
• Capacity and will to work with and learn from the other members of the team.
• Ability to collaborate with multidisciplinary teams at an international scale. Open to cultural differences
• Customer focus, good planning and organizing skills
• Ability to act with customer orientation and be attentive and responsive to customer concerns, based on an operational interconnection.
• High Initiative, decisiveness, customer orientation goal-oriented and assertive behavior
• Good and widespread technical background (Network, System Engineer, Database Administrator) is an asset
• Knowledge about payment services would be appreciated.
• Stress resistant and ability to adapt to tight deadlines and dynamically changing priorities
• Knowledge in standards related to IT (ie PCI DSS, ISO standards, ISAE 3402 …).
• Indicative GCM : SDM level depending experienced.
• French spoken and written is mandatory for this position. Main clients are major French banks and French is key in the ecosystem.

Perks & Benefits
At Worldline you’ll get the chance to be at the heart of the global payments technology industry and shape how the world pays and gets paid. On top of that, you will also:

• Hybrid Working Policy
• Gift vouchers on the occasion of Christmas/Easter Holidays
• Private medical services
• 21 vacation days/year
• Referral bonuses for new hires recommended by you
• WFH & Flexible Working Hours
• Full access to the “Learning” platform

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.

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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.

Objective

• Design and develop software solutions with regard to full technical stack in line with business requirements, applying architectural best practices for efficient code creation.
• Ensure software quality throughout the entire software development lifecycle to deliver reliable products.

Activity

The opportunity
At Worldline, our technology addresses persistent challenges of the payment world. We have many passionate and dedicated peers who will love to work with you!

In an exciting, complex and growing environment, surrounded by competent developers with a DevOps mindset, your role will be to create the best possible quality of products and services with high added value. With a permanent position, you will join an engaged team of highly skilled people with human values.

Day-to-Day Responsibilities

• Implement User Stories by writing high-quality Java software
• Review and help improve code submitted as Merge Requests
• Contribute to the architecture and technical design of solutions
• Participate in the deployment of the software, all the way to production
• Ensure software quality improves based on transparent metrics
• Be an active member of a SCRUM team, taking part in its rituals
• Deliver reliable software, matching business and technical requirements
• Deliver automated tests with the software
• Improve the frameworks and ensure their stability
• Bring new ideas on how to improve the software, tools, or processes currently in use
• Learn quickly and often, and share knowledge willingly
• Tackle issues that arise in any environment, be it sandbox or production
• Set up and maintain a practical development environment
• Contribute to the successful delivery of projects and enhancements
• Support the continuous improvement process and propose own measures
• Actively support and participate in the implementation of Agile, DevOps, and continuous integration processes
• Review code collaboratively with other team members and brainstorm ways to make work easier and faster, sharing different experiences and learning from each other
• Support Operations in resolving production incidents and problem

Requirements

• 5+ years Java development: Extensive experience in backend and high-volume batch systems.
• Legacy Modernization: Proven track record in logic migration from 4GL environments (Linux, C, Oracle, Shell).
• Modern Stack: Proficiency in Java, JDBC, Spring Boot, and PostgreSQL.
• SQL Expert: Deep understanding of relational databases and complex schemas.

Infrastructure & Tools

• GitLab: Version control and CI/CD pipelines.
• Containerized environments (Kazan): Experience with container-based architectures.
• AI Toolset (Claude, LibreChat): Leveraging LLMs for code analysis and refactoring.

Domain & Bonus Skills

• Payments/Fintech: Focus on Acquiring/Issuing flows.
• Card Schemes & Protocols: Specific knowledge of Visa card scheme releases and the Base II protocol.
• CA-Gen: Hands-on experience (or the ability to master) legacy syntax and semantics.

Perks & Benefits
At Worldline you’ll get the chance to be at the heart of the global payments technology industry and shape how the world pays and gets paid. On top of that, you will also:

• Hybrid Working Policy
• Meal vouchers
• Gift vouchers on the occasion of Christmas/Easter Holidays
• Private medical services
• 21 vacation days/year
• Referral bonuses for new hires recommended by you
• WFH & Flexible Working Hours
• Full access to the “Learning” platform

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.

Objective

• Manage the operations of the whole infrastructure on different domains (systems, databases and networks).

Activity

Run and Operations

• Ensure the 2nd Line of Support for incidents and problem management.

Monitor/Improvement

• Install, configure, operate, and continuously improve the infrastructure platforms to support highly-available and scalable secured services.
• Automate, test and monitor the platform and its sub-services, from an availability, consistency and confidentiality perspective.
• Propose adapted architectures for our infrastructure platforms and for services targeting our infrastructure platforms, in compliance with regulation, security and the expected service levels.
• Identify services migration scenarios.

Release/Deploy

• Deploy validated architectures and execute effective migration of services and data aligned with business requirements.