Senior Linux & Platform Engineer — On-Prem Reliability

Milestone Systems; Barcelona; Híbrido; EUR 70.000 - 100.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Gym contribution

Food vouchers + flexible retribution

Luxury health and dental package

Bicing annual fee reimbursement

Life insurance

Descripción de la vacante

Milestone Systems in Barcelona is seeking a Senior Infrastructure Engineer (Linux & Platform) to design and build a turnkey on-prem platform for on-premises, hybrid and air-gapped environments.

This hands-on role focuses on reliability, automation, lifecycle management, and operational simplicity, with Kubernetes as part of the stack. You will own engineering direction and collaborate with product, support, and customers.

Formación

• Strong software engineering experience in backend, systems, or infrastructure development.
• Deep hands-on experience with Linux in production environments (troubleshooting, performance, networking, system behavior).
• Experience working with containers and Docker.
• Practical 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 quality.
• Clear communication and collaborative problem solving.

Responsabilidades

• Design and evolve a production-grade software appliance.
• Build reliable install, upgrade, rollback, and recovery workflows.
• Create automation and guardrails that simplify operations.
• Develop backend services and APIs (REST, gRPC, OpenAPI).
• Improve observability, resiliency, and operational safety.
• Support air-gapped deployments and offline upgrades.
• Collaborate with product, support, and customer-facing teams.
• Help shape engineering practices and technical direction.

Conocimientos

Backend/infrastructure development

Linux in production

Containers and Docker

Kubernetes familiarity

Infrastructure automation (Ansible)

API design (REST/gRPC/OpenAPI)

Reliability & maintainability

Clear communication

Herramientas

Docker

Kubernetes

Ansible

OpenAPI

Descripción del empleo

Milestone Systems in Barcelona is seeking a Senior Infrastructure Engineer (Linux & Platform) to design and build a turnkey on-prem platform for on-premises, hybrid and air-gapped environments.

This hands-on role focuses on reliability, automation, lifecycle management, and operational simplicity, with Kubernetes as part of the stack. You will own engineering direction and collaborate with product, support, and customers.