(Senior) DevOps Engineer Infrastructure & Security (mfd)

Do you want to own infrastructure rather than just keep it running Here the full stack is yours from the Proxmox cluster in our own data center through firewalls and VPNs to AWS and the deployment pipelines.

Testsieger is one of Germanys largest consumer platforms: 4.2 million products test reviews customer ratings and an integrated price comparison that guides millions of users to the right purchase. A team of 20 with short decision paths and no corporate overhead and an established engineering team in Portugal.
You will be the technical owner of our infrastructure with a colleague at your side whom youll grow and an engineering team that counts on you.

• Own the operation of our Linux server landscape: on-premise cluster (Proxmox ZFS) and AWS
• Run and harden network and security: firewalls VPN access control certificates hardening including the network link to our largest partner
• Automate with Ansible and keep infrastructure versioned reproducible and documented
• Maintain our container platform (Docker Nomad Traefik) and CI/CD pipelines (GitHub Actions) so teams ship fast and safely
• Administer MySQL in production: backups performance recovery
• Extend monitoring logging and alerting (Grafana New Relic) and drive incidents to root cause
• Act as sparring partner for Engineering Data and Product and explain why things are built the way they are

• Several years running Linux server environments (Debian/Ubuntu) you know how to get systems from A to B without assistance
• Solid networking: TCP/IP routing DNS load balancing firewall and VPN administration
• Proven infrastructure security practice: hardening access control security best practices
• Ansible in production container orchestration (Nomad Kubernetes or similar) CI/CD pipelines
• Experience with AWS or a comparable public cloud
• MySQL administration in production
• Bash and Python for tooling not just one-liners
• Monitoring logging and troubleshooting are your craft not an afterthought
• Plus: Terraform RabbitMQ Redis Zero Trust concepts
• Fluent English; German is a plus not a requirement

• Full technical ownership of a real hybrid stack (on-premise cloud) you make the decisions not an architecture board
• Well funded company attractive salary
• Ownership culture with short paths: you talk directly to the CEO
• Modern stack: Proxmox AWS Ansible Nomad Docker MySQL Python GitHub Actions ecosystem
• Remote from Portugal with regular visits to Osnabrück and colleagues already based in Portugal

If you see infrastructure as your product and want to develop it with real responsibility apply now. Were looking forward to meeting you.