Impact & PurposeIf 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 SummaryAs 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 applianceBuild reliable install, upgrade, rollback, and recovery workflowsCreate automation and guardrails that simplify operationsDevelop backend services and APIs (REST, gRPC, OpenAPI)Improve observability, resiliency, and operational safetySupport air-gapped deployments and offline upgradesCollaborate with product, support,



and customer-facing teamsHelp shape engineering practices and technical directionWhat You Bring to the Team:We are looking for a strong generalist engineer with deep experience in Linux systems and production environments, and some exposure to Kubernetes and container platforms. If your background aligns with many of the areas below, we encourage you to apply.Strong software engineering experience in backend, systems, or infrastructure developmentDeep hands-on experience with Linux in production environments (troubleshooting, performance, networking, system behavior)Experience working with containers and DockerPractical familiarity with Kubernetes (concepts, basic operations, troubleshooting)Experience with infrastructure automation tools such as Ansible (or similar)Familiarity with API design and contracts (REST, gRPC, OpenAPI)A focus on reliability, maintainability, and operational qualityClear communication and collaborative problem solvingHow You will Make a Difference:You will help create a platform that customers can trust to run reliably in complex, real-world environments with minimal operational overhead. Your work will reduce infrastructure complexity and make powerful systems easier to deploy, manage, and support.We value engineers who think in terms of systems and lifecycles - not just components. You design for reliability, upgrades, rollback,



and long-term maintainability, with a focus on simplicity, predictability, and operational clarity.How We Support You:Individual development plans aligned with your career goalsAccess to training, learning resources, and certificationFlexible working arrangementsSupportive leadership and regular feedbackOpportunities for cross-functional and cross-regional collaborationSocial activities and spaces to connect with colleaguesWhat We Offer:Gym contributionFood vouchers + adaptable retributionLuxury health and dental packageBicing annual fee reimbursementLife insuranceAbout the TeamWe care about building dependable systems, strong engineering foundations, and products that are simple to operate. We value thoughtful collaboration, practical solutions, and continuous improvement over unnecessary complexity.If this role sounds exciting, but you don’t match every qualification, we still encourage you to apply. We value diverse perspectives, curiosity, and engineers who care deeply about building reliable products.About UsMilestone Systems is a leading provider of data-driven video technology software. Our portfolio includes XProtect video management software, Arcules video surveillance as a service, and BriefCam analytics. We amplify what organizations of any size can see, do, and achieve with video. Guided by our People First mindset—freedom, inclusion, and togetherness—we always consider our employees, partners, and communities in everything we do.
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📌 Senior Infrastructure Engineer (Linux & Platform) (Barcelona)
🏢 Milestone Systems
📍 Barcelona