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SRE engineer

Worldline
Belgiumfull_timeVerifiedPosted 10 Sept 2025

About the role

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 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

 

We are seeking a SRE Engineer to join our dynamic team in Belgium. You will be part of T&O CLS-Core Infra Engineering department and reporting to the SRE Team Leader. 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.

 

Day-to-Day Responsibilities

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

  • Building and scaling our virtualization stack on VMware.
  • Scaling and automating the Block storage for our datacenters based on SAN technology.
  • Making sure the backup strategy is covering all needed assists and the internal clients can consume it.
  • Driving the Hardware management so we scale up in time and stay cost efficient, be
    the reference point for the hands-on teams in the datacenter.
  • Making sure the NTP service is up and can be consumed by all platforms as this is a
    business critical service.
  • Building and scaling the HSM service for all payment platform.
  • Taking part in the IAM automation.

 

 

Who Are We Looking For

 

We look for big thinkers. People who can drive positive change, step up and show what’s next – people with passion, can-do attitude and a hunger to learn and grow. In practice this means:

 

  •        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 organization
  •        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 virtualization technologies like VMware, Proxmox, Nutanix, HyperV, Openstack etc; Storage; Hardware; Backup; NTP
  • Used to work with source version control like Git, GitLab, GIT flows and CICD
  • Used to work with Puppet (we do almost-everything with puppet)

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Company

Worldline

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