Platform Engineer

Coreso SA; Brussel; Hybride; EUR 70 000 - 110 000; Plein temps

Avantages offerts par ce poste

Hybrid work model

International Brussels team

Résumé du poste

Coreso SA in Brussels, Belgium, is seeking a Platform Engineer to ensure high availability, security and performance of critical applications. You will manage the platforms that host Coreso apps, including OpenShift, Kubernetes, Airflow, MinIO and middleware, collaborating with software, data, and security teams in a 24/7 environment.

The role combines platform operations, automation and incident response with hands-on ownership, in a hybrid setup in Brussels.

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology or equivalent experience.

Responsabilités

• Ensure business-critical platforms remain available, secure and performant.
• Monitor platform health and support disaster recovery and business continuity activities.
• Lead root-cause analyses for platform incidents and track corrective actions.
• Support deployment and production releases for applications and platform services.
• Participate in on-call rotations and maintain operational documentation.

Connaissances

Python scripting

Monitoring & observability

IaC concepts

Git & CI/CD

Troubleshooting & incident mgmt

Formation

Bachelor's or Master's degree in Computer Science/IT or equivalent

Outils

OpenShift

Kubernetes

Airflow

MinIO

Terraform

Ansible

Description du poste

Embark on an exciting journey with Coreso, a dynamic and fast-paced company at the forefront of the European energy landscape. As a Regional Coordination Centre (RCC), Coreso plays a crucial role in coordinating high-voltage electricity flows for European Transmission System Operators (TSOs), ensuring the security of electricity supply on a regional basis.

To support our mission, we are looking for a Platform Engineer to ensure that business-critical applications and platform services remain available, secure, performant and operationally supported.

You will be responsible for the platforms that host and support Coreso applications, including OpenShift, Kubernetes, Airflow, MinIO, monitoring solutions and supporting middleware services. You will work closely with software engineers, data engineers, architects and security specialists to ensure smooth operations and continuous improvement.

This role combines platform operations, automation, troubleshooting, incident response and application support within a 24/7 operational environment.

Responsibilities

Application Availability & Operational Support

• Ensure business-critical applications remain operational and available.
• Monitor application and platform health, support disaster recovery and business continuity activities.
• Lead or contribute to root-cause analysis for platform incidents and ensure that agreed corrective, preventive and follow-up actions are recorded, prioritised and tracked to completion.
• Support application deployment and production releases.
• Participate in on-call and operational support rotations.
• Maintain operational documentation and support procedures.

Platform Operations & Reliability

• Operate and support OpenShift and Kubernetes platforms.
• Manage Airflow orchestration services and platform dependencies.
• Support MinIO object storage services.
• Maintain platform middleware and supporting services, platform upgrades, patching and lifecycle activities.
• Monitor platform performance and capacity.

Automation & Infrastructure as Code

• Develop automation scripts and operational tooling, implement and maintain Infrastructure-as-Code solutions.
• Reduce manual operational activities through automation.
• Improve deployment and operational processes.

Monitoring & Observability

• Implement and maintain monitoring and alerting solutions.
• Define and improve operational dashboards, ensure meaningful metrics and actionable alerts.
• Contribute to incident analysis and service reporting.

Security & Compliance

• Apply security-by-design principles.
• Support vulnerability management and platform patching.
• Manage secrets, certificates and access controls.
• Contribute to compliance and audit activities.
• Identify opportunities to improve reliability and efficiency.
• Reduce operational risk and technical debt.
• Contribute to platform roadmaps and future architecture decisions.
• Share knowledge and support team development.

What You Bring

• Bachelor's or Master's degree in Computer Science, Information Technology or equivalent experience.
• Experience supporting production-critical platforms and applications.
• Experience working in Platform Engineering, DevOps, Site Reliability Engineering (SRE) or Infrastructure Engineering roles.
• Experience with operational support and incident management.

Technical Skills

Required

• Python scripting
• Monitoring and observability tools
• Infrastructure-as-Code concepts
• Git and CI/CD practices
• Troubleshooting and incident management

Preferred

• MinIO
• Airflow
• Terraform, Ansible
• Container security
• Strong analytical and problem-solving skills
• Ownership and accountability
• Structured and methodical approach
• Team player with excellent collaboration skills
• Ability to remain calm during production incidents
• Fluent English. Any European language is an asset.

What Success Looks Like

Within your first year, you will:

• Become an active contributor to the operation of OpenShift, Airflow and supporting platform services.
• Independently manage platform incidents and operational tasks.
• Contribute to a sustainable 24/7 support capability.
• Improve automation, monitoring and operational efficiency.
• Help reduce dependency on external support providers.
• Ensure Coreso applications remain stable, secure and available.

We are a small organization with European-wide impact. You will work on meaningful projects with visibility across teams and have the chance to contribute in a hands-on practical way.

What we offer:

A mission with purpose – contribute to Europe’s energy transition

An international team based in Brussels – located in the heart of the EU district,

A dynamic and supportive workplace – where your input matters and your creativity is welcomed.

Real ownership – work on impactful projects in the EU context

Flexible way of working – a hybrid setup: 40% in the office, 60% from home.

In line with our commitment to information security (ISO 27001), reference and background checks may form part of the selection process.