(Senior) System Engineer
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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 Germany's 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 you'll grow, and an engineering team that counts on you.
Tasks 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 (Git Hub Actions) so teams ship fast and safely Administer My SQL 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 Requirements 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 My SQL administration in production Bash and Python – for tooling, not just one-liners Monitoring, logging and troubleshooting are your craft, not an afterthought Plus: Terraform, Rabbit MQ, Redis, Zero Trust concepts Fluent English;
German is a plus, not arequirement Benefits 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, My SQL, Python, Git Hub Actions, Next.
Js ecosystem Remote from Portugal, with regular visits to Osnabrück and colleagues already based in Portugal
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