We are seeking a DevOps Engineer with German language skills to operate, maintain and improve production cloud infrastructure and applications. The person in this role will be responsible for AWS-based deployments, Kubernetes cluster operation, infrastructure as code, and incident response for systems supporting railway operational processes. 

Responsibilities

  • Operate, monitor and optimize production applications and infrastructure hosted in AWS.

  • Detect, analyse and resolve incidents; participate in on-call rotations and post-incident reviews.

  • Provision and manage infrastructure using Terraform / OpenTofu and maintain related codebases.

  • Configure, maintain and optimise Kubernetes clusters and associated tooling.

  • Deploy and manage containerised applications using Docker, Helm and GitOps workflows (Flux).

  • Manage AWS security configurations including IAM roles, Secrets Manager and KMS.

  • Support and troubleshoot PostgreSQL databases on AWS RDS in production contexts.

  • Configure and enhance monitoring and logging solutions using Grafana and OpenSearch.

  • Operate and optimise Kafka infrastructure using Amazon MSK (Serverless where applicable).

  • Manage automated Kubernetes node scaling with Karpenter and optimise cloud resource usage.

  • Automate operational tasks and dependency updates using Python, AWS Lambda and Renovate.

  • Create and maintain runbooks, operating procedures and technical documentation for operations teams.

  • Assess security findings and implement required patches, updates and mitigations.

Qualifications

Must have:

  • Minimum 3 years of hands-on experience configuring and administering AWS cloud infrastructure for production applications.

  • Experience in deploying and operating containerised applications on Kubernetes, Terraform or OpenTofu for automated infrastructure provisioning.

  • Experience in production cloud operations, including monitoring, incident analysis and incident handling.

  • Proficiency in German sufficient for technical communication (min B2 level)

Nice to have:

  • Experience with Grafana and OpenSearch for monitoring, logging and technical error analysis.

  • Experience with Helm and GitOps tools (Flux) for deployment and release processes.

  • Experience with AWS IAM, Secrets Manager and KMS for security and permissions management.

  • Experience automating tasks using Python, AWS Lambda and Renovate.

  • Experience with PostgreSQL on AWS RDS, including connection and operational troubleshooting.

  • Experience in operating Kafka infrastructure, preferably with Amazon MSK.

  • Experience with Karpenter or equivalent node scaling solutions for Kubernetes.

Benefits

  • Work on critical production systems with direct impact on railway operational processes.

  • Opportunities for professional development in cloud infrastructure, platform engineering and automation.

  • Remote work.

  • Unique TEAL culture that values relationships and respect in a non-corporate atmosphere.

  • Agile approach with minimal bureaucracy to help you move quickly and deliver value.

  • Outstanding integration trips to various places in Europe.

  • Activities to support well-being and health.

  • Luxmed Gold Extended medical care and Multisport Plus benefit.