# Site Reliability Engineer (f/m/d) at Worldline

Worldline is hiring a Site Reliability Engineer (f/m/d) in Brussels, Belgium. Level rates it Little AI ●○○○; you can [apply on Worldline](https://jobsbylevel.com/go/a0d990e5-d5b7-4e53-a4c8-bf89c4466ad0?utm_medium=ai-agent).

AI Level 1, AI centrality 0 out of 100. Belgium-Brussels.

## Details

- Company: [Worldline](https://jobsbylevel.com/companies/worldline)
- AI level: AI Level 1 (score 0 out of 100)
- Location: Belgium-Brussels
- Posted: October 22, 2026
- Apply: https://jobsbylevel.com/go/a0d990e5-d5b7-4e53-a4c8-bf89c4466ad0?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=site-reliability-engineer-f-m-d-at-worldline-fac81f

## Prepare for this job

The job page lists 5 likely interview questions for this offer, with a CV checklist: https://jobsbylevel.com/jobs/site-reliability-engineer-f-m-d-at-worldline-fac81f

## 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. The opportunity Join our dedicated tribe responsible for the development and services of the Worldline Authorization software suite, "Worldline Pay Front Office" (WLP FO). Our team combines expertise in card payment authorization and switching with components for card management back office solutions and fraud detection. Day-to-day responsibilities Monitor the performance, availability, and reliability of our systems and applications, ensuring adherence to SLAs. Ensuring the correct running and maintenance activities of the Application Platform Implement and maintain monitoring and alerting systems to proactively identify issues. Have a holistic end-to end view on the service: application, underlying infrastructure and other dependencies. Release/scripts/packages/libraries installation in production Guarantee that the service you are in charge can be installed, configured, changed, and operated I compliance with regulation, security and the expected service levels. Improve through automation, the pipeline from development to operations (Ci/CD) and all operations on the service. Change request management Participate and validate service designs and changes, with the mission to ensure that quality of operations will remain at the proper level. Lead incident response efforts during outages or major incidents, coordinating with cross-functional teams to ensure timely resolution. Conduct post-mortem analyses to identify root causes and implement corrective actions. Availability for on call activities out of business hours – Stand-by Ensure 2nd Line of support for incidents and problem management Identify gather and analyze metrics and events from both infrastructure and application to provide capacity planning, performance improvements and incident analysis. Performing technical and business monitoring of application platforms through alerting tools (I.e Zabbix, Grafana, PagerDuty, Prometheus) Propose application related evolutions to improve service and deliver quality Partner with infrastructure provider as the voice of service delivery 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: OS: Knowledge/experiences with Linux ; DB: Knowledge/experiences with Oracle or Postgres DB Knowledge/experiences with Korn Shell Scripting, Python, Kubernetes Knowledge about ServiceNow tool for ticketing Knowledge and experience with monitoring tools like: Prometheus, Grafana , PagerDuty Experience on CI/CD , Network management (debugging network issues) Cloud oriented: GCP knowledge (other provider knowledge/experiences could be a plus; I.e. AWS) Cloud management tools: Terraform , Puppet, Gitlab Cloud container solutions: Docker, Nginx, HAProxy, etc.. Analytical skills (capable to deep dive into analysis to find solutions), team working, full autonomy, accountability, strong proactivity On call duty availability 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: Be part of a company guided by a strong purpose to do good and recognized as top 1% of the most sustainable companies in all sectors worldwide. Work with inspiring colleagues and be empowered to learn, grow and accelerate your career Shape the evolution We are on an exciting journey towards the next frontiers of

The description is cut here. Read the full offer: https://jobsbylevel.com/jobs/site-reliability-engineer-f-m-d-at-worldline-fac81f

Source: https://jobsbylevel.com/jobs/site-reliability-engineer-f-m-d-at-worldline-fac81f

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Level. https://jobsbylevel.com/jobs/site-reliability-engineer-f-m-d-at-worldline-fac81f.

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