Site Reliability Engineer

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Publish Date: Jul 8, 2021

Location: Zaventem, Vlaams-Brabant, BE

Company: worldline

About Worldline
Worldline [Euronext: WLN] is the European leader in the payment and transactional services industry. With innovation at the core of its DNA, Worldline’s core offerings include pan-European and domestic Commercial Acquiring for physical or online businesses, secured payment transaction processing for banks and financial institutions, as well as transactional services in e-Ticketing and for local and central public agencies. Thanks to a presence in 30+ countries, Worldline is the payment partner of choice for merchants, banks, public transport operators, government agencies and industrial companies, delivering cutting-edge digital services. Worldline’s activities are organized around three axes: Merchant Services, Financial Services including equensWorldline and Mobility & e-Transactional Services. Worldline employs circa 12,000 people worldwide, with 2019 revenue of circa 5.3 billion euros. worldline.com

Advanced Infrastructure

Reports to
SRE-Lead / Head of Infra

Who are we
Worldline is a global leader in the fintech market, with more than three decades of experience. Its
footprint gives scale to projects and talents.
Innovation is part of our DNA and our diverse community of experts keep anticipating the evolution of
commerce worldwide. We are shaping the future of payments.
We are looking for a person who will differentiate our company from its competitors. You will be joining
Worldline, a company in full transition to a new era of payments, covering hardware, software and
services as tooling for merchants to grow their business.
Within the advanced infrastructure, your mission as sysadmin engineer in the SRE teams will be to
enforce the scalability, speed, efficiency and the infrastructure reliability, as a result of owning the
services design, implementation and maintenance.
Under the guidance of the SRE manager, your primary role is doing engineering on software and systems
to build at a scale an automated infrastructure and fault tolerance PaaS


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 automation pipeline
  • 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)
  • PKI as a service
  • Microsoft on premise as a service (WDS / ...)
  • Develop new infra services to improve Ingenico's velocity and innovation
  • Manage, innovate, and create Infrastructures services and tooling that continuously improve the availability, scalability, latency, and efficiency of Ingenico
  • 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 to manage Vmware template / Terraform / PAW laptop 


Who you are

Academic or Bachelor level of education or equivalent by experience

Minimum of 3-5 years of Linux experience in a HA environment

Self-starter, autonomous

Ability to engage with both technical and non-technical staff at all levels in the organisation

Quick learner

Ability to make your way through a complicate 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)
  • Knowledge of Windows Features, like AD / PKI / WSUS / WDS
  • 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 ELK
  • 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 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

The 20 000 employees of Worldline are all different but share the same values. You can see it in the way we behave. We are curious and humble – we are learning every day, we keep things simple and everyone engaged. In our fast-moving industry, we are adaptable and life-long learners. Everyone demonstrates the same dedication to quality and efficiency. We have an entrepreneurial spirit and sense of service. Above all, we never turn our back on a challenge. These values nurture a dynamic and innovative team where everyone can develop and grow.

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