Site Reliability Engineer - Senior

The opportunity

Join our High Availability (HA) Frontoffice Platform team as a Site Reliability Engineer, where you'll work alongside 7 dedicated professionals including DBAs, Cloud Engineers and SREs, working on exciting projects including our major cloud migration.

Day-to-day responsibilities

• Ensuring the reliable operation of the HA Platform and its 70+ applications running in a microservices-based architecture, across all platform layers including infrastructure, services and applications
• Managing two distinct underlying infrastructures, both leveraging GitLab CI for automated deployments: one based on containerised application components running on redundant RHEL nodes with Docker and Ansible, and one based on a cloud-native stack leveraging OpenShift (Kubernetes), Terraform and Helm
• Contributing to architectural design decisions and changes whilst driving automation across the platform to ensure consistency, availability and compliance
• Contributing to the cloud migration of the European infrastructure, targeting the Worldline private cloud
• Acting as the voice of operations when interacting with business, development teams and infrastructure providers, proposing and leading service, application and infrastructure improvements
• Participating in remunerated on-call duties (3rd level support) throughout the year, ensuring end-to-end operational continuity of both the database infrastructures and the applications they support

Who are we looking for

• At least 5 years’ hands-on experience in an SRE or DevOps role, supporting production systems and contributing to complex technical projects.
• Strong knowledge of RHEL/Linux, microservices and containerisation (e.g. Docker), with experience using cloud and container orchestration platforms.
• Practical experience with infrastructure automation and configuration management (e.g. Ansible, Terraform), application deployment with Helm, and CI/CD pipelines such as GitLab CI.
• Experience managing highly available production environments, including incident response, monitoring, troubleshooting and performance optimisation.
• Experience with observability tools, and willingness to help maintain and develop our logging service based on OpenSearch and Grafana/Prometheus.
• Awareness of security best practices and compliance standards; PCI-DSS knowledge is a plus.
• Able to work independently, document work clearly and collaborate effectively with technical teams and external partners, including under pressure.
• Fluent in English; French and/or German is an asset.

Perks & Benefits

• Hybrid working arrangements within Switzerland with flexible working hours
• 25 days annual international remote working opportunities
• Public transport allowance
• Monthly meal allowance
• Additional benefits including family and leisure activity support
• Employee share participation programme with financial stake in company growth