Senior Infrastructure Engineer (Linux & Platform)

Job description

Join Milestone and build infrastructure that feels like a product! Impact & Purpose: If you enjoy solving complex systems challenges while creating simple user experiences, we’d love to hear from you. We are building a cohesive platform experience that customers can install, upgrade, and operate with confidence - without needing deep Kubernetes or Linux expertise. Location: We are looking for a Senior Infrastructure Engineer (Linux & Platform) , based in Barcelona, Spain (hybrid mode of working). Role Summary: As a Senior Infrastructure Engineer (Linux & Platform), you will design and build a turnkey on-prem platform used in on-premisses, hybrid and air-gapped environments. You will focus on reliability, automation, lifecycle management, and operational simplicity - turning complex infrastructure into a seamless product experience. While the platform leverages Kubernetes, this role is Linux and systems-first, with Kubernetes as one part of the broader stack. This is a hands-on engineering role with strong technical ownership and influence on architecture, quality, and engineering standards. What You Will Do: - Design and evolve a production-grade software appliance - Build reliable...