Platform Engineer
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.
Continuous Improvement
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
Linux administration
Kubernetes/OpenShift
Python scripting
Monitoring and observability tools
Infrastructure-as-Code concepts
Git and CI/CD practices
Troubleshooting and incident management
Preferred
MinIO
Airflow
PostgreSQL
Terraform, Ansible
Prometheus, Grafana
Container security
Enterprise networking concepts
Personal Competencies
Strong analytical and problem-solving skills
Ownership and accountability
Structured and methodical approach
Team player with excellent collaboration skills
Continuous improvement mindset
Ability to remain calm during production incidents
Effective communication skills
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.
Why join us?
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.
