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About the Role
You will work in a dedicated team on innovative solutions in a dynamic, product-oriented environment, taking end-to-end responsibility for our infrastructure and DevOps processes, including the Kubernetes platform, CI/CD pipelines, monitoring, databases, and security.
Responsibilities
- Operation and expansion of Kubernetes clusters, including node setup, upgrades, deployments, troubleshooting, and application testing.
- Onboarding of development teams onto the Kubernetes platform.
- Management of Docker-based container solutions and their integration into the existing infrastructure.
- Maintenance and further development of the GitLab environment, including pipelines, runners, the GitLab Agent for Kubernetes, and Jira integration.
- GitOps-based delivery with ArgoCD or Flux.
- Provisioning and configuration management with Terraform and Ansible.
- Installation, configuration, maintenance, and troubleshooting of database systems.
- Setup and operation of ELK / TIG / Grafana Alloy stacks, including dashboards and alerting.
- Analysis and optimization of networks, log file analysis, and systematic root cause analysis, including complex incidents at packet level.
- Security checks at application and infrastructure level, plus security gates in the pipeline (SAST, dependency/SCA scanning, secrets detection, SBOM generation, artifact signing).
Requirements
- A degree in computer science, a STEM subject, or an equivalent qualification gained through several years of professional experience.
- Strong Linux skills and solid networking fundamentals (TCP/IP, DNS, TLS, MTU/routing) with proven troubleshooting ability.
- At least 3 years of hands-on Kubernetes experience in production environments, along with container technologies (Docker/OCI).
- Hands-on depth with GitLab CI/CD or comparable systems, and with GitOps tooling such as ArgoCD or Flux.
- Practical experience automating infrastructure and configuration as code with Terraform and Ansible.
- Excellent analytical and debugging skills, with a structured, detail-oriented way of working.
- A collaborative mindset: enjoy developing solutions together, document your work, and share knowledge across the team.
Skills
- Kubernetes
- Docker/OCI
- GitLab CI/CD
- ArgoCD
- Flux
- Terraform
- Ansible
- ELK Stack
- TIG Stack
- Grafana Alloy
- SAST
- SCA scanning
- Secrets detection
- SBOM generation
- Artifact signing
- TCP/IP
- DNS
- TLS
- MTU/routing
Location
- Berlin-Kreuzberg
- Frankfurt/Main
- Hannover
- Hamburg
- Saarlouis
Work Type
- Hybrid work model
- Remote work
- Workation models
- Flexible working hours
- Partial remote work
Experience Level
- 3+ years of hands-on Kubernetes experience
Education Level
- Degree in computer science, a STEM subject, or equivalent qualification
Benefits
- Unparalleled opportunities for personal growth and development
- Compelling and rewarding work environment
- Vibrant team culture
- Fresh fruit daily
- In-house canteen with daily selection of dishes
- Table tennis and football
- Space for creativity
- Budget for training and further education
- Access to discounts in the travel industry
- Team activities
About the Company
- The AERTiCKET Group is one of the world's largest full-service consolidators and independent business-to-business service providers for scheduled flights.
- We are partners to airlines and service providers for travel agencies and tour operators, cooperatives, and portals.
- Our experienced fare specialists are available to our customers 24/7, 365 days a year.
- We develop state-of-the-art booking technologies for the future of the travel industry, providing a decisive competitive advantage.
- Our group employs approximately 850 people from 28 nations at 40 locations worldwide.
- In Germany, we have offices in Berlin-Kreuzberg, Frankfurt/Main, Hannover, Hamburg, and Saarlouis.