Job Description
Site Reliability Engineer

This is Worldline.

 

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 five continents. 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 : SRE Engineer


Join Technology & Operations Core Infrastructure Engineering at Worldline, a prominent leader in the financial technology sector, dedicated to providing innovative payment and transaction processing solutions throughout Europe.

 

What you’ll do :

Infrastructures services are managed by multiple teams, you will join one of these teams with today's focus on:

  • Integration of Windows services in our global internal cloud and Public cloud.
  • Support business lines to migrate their current solution in our brand new Infra with code, automation and CICD
  • Active Directory as a service (Managing AD via TF / CI/CD / Pipeline)
  • Microsoft on premise as a service (PKI / WSUS / WDS / ...)
  • Develop new infra services to improve Worldline velocity and innovation
  • Manage, innovate, and create Infrastructures services and tooling that continuously improve the availability, scalability, latency, and efficiency of Worldline
  • Work cross-functionally to build fast, reliable, and resilient production systems
  • Develop, configure and enhance our automation stack and our CI/CD pipelines.
  • Create Documentation that every collaborator can use, improve and share. Technical documentation and user documentation.
  • Daily operational tasks (change management, application monitoring, application deployment, ...)
  • Secure our services, obviously in the payment industry security is must and should be taken into account from the very beginning
  • Others : Packer / Terraform / Puppet / Powershell / and many more tools

 

Who you are :

  • Academic or Bachelor level of education or equivalent by experience
  • Minimum of 3-5 years of Windows experience in a HA environment
  • Self-starter, autonomous
  • Ability to engage with both technical and non-technical staff at all levels in the organization
  • Quick learner
  • Ability to make your way through a complicate and secure stack autonomously
  • Automation is your answer to (almost) everything
  • Open source enthusiast (but not only)
  • Believe in Infrastructure as Code
  • Target 0 support solution and self healing systems
  • Security minded
  • Ability to find trade of in: 
    • stability vs. agility,
    • operational work vs. software engineering,
    • proactive vs. reactive work

Your favorite books are:

 

Must have :

 

  • Excellent knowledge of Windows Servers
  • Used to work with source version control like Git, GitLab, GIT flows and CICD
  • Used to work with Puppet (we do everything with puppet)
  • Used to work with Terraform (we aim that all pieces of infra is defined with code)
  • Very good knowledge of Windows Features, like AD / PKI / WSUS / WDS
  • Very good knowledge of Scripting (powershell / puppet / CICD)
  • Understanding of network protocol (IP, DHCP, DNS, BGP, Load balancing,...)
  • Experience with multi DC setup (in different countries)
  • Experience with hybrid infra (On prem + cloud)
  • Experience with AWS (Workspace, ) and Azure
  • Experience with security standards (PCI-DSS,...)
  • Focus on automation
  • Excellent communication skills in English

 

Nice to have :

  • Experience with Grafana
  • Docker, Kubernetes
  • Knowledge of GO
  • Good knowledge of Dutch and/or French are a plus
  • Familiar with service discovery in a micro-frontend architecture

 

What is in it for you :

Taking part in shaping the future of payments!

  • A permanent contract with strong, competitive salary package, linked to profile and experience
  • Joining a dynamic, young growing team of highly skilled Linux and Windows engineers working in DevOps mode
  • To become the best version of yourself, we put a strong emphasis on personal growth with trainings, coaching and internal mobility

 

Shape the Evolution.


We are pushing towards the next frontiers of payments technology, and we are looking for big thinkers to join our journey. People with passion, a 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 society. With our empowering culture, strong technology, and extensive training opportunities, we help you accelerate your career—wherever you decide to go. Join our global team of over 18,000 innovators across 40+ countries, 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 (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as an individual with a disability, or any applicable legally protected characteristics.

 

#LI-CB1 

Information at a Glance
Request ID:  300335
Posting Start Date:  7/15/25
Job Area:  Technology
Work Site:  Hybrid
Contract Type:  Permanent
Brand:  Worldline
Job Location:  Belgium - Brussels