Testsieger.de
Testsieger.de
11 – 50 Employees
B2CeCommerceMedia
Testsieger.de is a German consumer media and eCommerce platform that helps people make more informed purchasing decisions. Its editorial service brings together more than 400,000 product tests and reviews from external sources, complemented by in-house lab testing and the proprietary Testsieger Score. Visitors can compare expert assessments, explore prices from multiple retailers, discover highly rated products and deals, save items to a wishlist, and take part in a product-tester community. The platform covers a broad range of consumer categories and turns scattered product information into practical comparison guidance.

Senior DevOps Engineer, Infrastructure and Security — Testsieger.de, Portugal Hybrid

Lead Linux, cloud, security, and deployment infrastructure for Testsieger.de’s product comparison platform. This hybrid Portugal-based role includes regular visits to Osnabrück.

Description

  • Operate the Linux server environment across the on-premise Proxmox/ZFS cluster and AWS
  • Manage and secure network infrastructure, including firewalls, VPNs, access controls, certificates, hardening, and the connection to the largest partner
  • Automate infrastructure with Ansible while keeping it versioned, reproducible, and documented
  • Maintain the container platform built with Docker, Nomad, and Traefik
  • Manage GitHub Actions CI/CD pipelines to support fast, reliable releases
  • Administer production MySQL, including backups, performance, and recovery
  • Expand monitoring, logging, and alerting with Grafana and New Relic
  • Lead incidents through investigation to root cause
  • Partner with Engineering, Data, and Product as an infrastructure advisor
  • Communicate infrastructure architecture and design decisions clearly
  • Support the development of a colleague while collaborating with the engineering team

Requirements

  • Several years of experience operating Linux servers, particularly Debian or Ubuntu
  • Strong networking knowledge covering TCP/IP, routing, DNS, load balancing, firewalls, and VPN administration
  • Hands-on experience securing infrastructure through hardening, access control, and security best practices
  • Production experience with Ansible
  • Experience with Nomad, Kubernetes, or a comparable container orchestration platform
  • Experience building or maintaining CI/CD pipelines
  • Professional experience with AWS or another public cloud
  • Production MySQL administration experience
  • Bash and Python skills for developing operational tooling
  • Expertise in monitoring, logging, and troubleshooting
  • Terraform, RabbitMQ, Redis, or Zero Trust knowledge is a plus
  • Fluent English; German is advantageous but not required

Benefits

  • Technical ownership of a hybrid on-premise and cloud infrastructure stack
  • Well-funded company offering an attractive salary
  • Direct communication with the CEO within an ownership-oriented culture
  • Modern technology stack including Proxmox, AWS, Ansible, Nomad, Docker, MySQL, Python, GitHub Actions, and the Next.js ecosystem
  • Work remotely from Portugal with regular visits to Osnabrück and collaboration with colleagues based in Portugal

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