Senior Platform Engineer

Job Title: Senior Platform Engineer Location: Madrid, Tres Cantos Type: Full-timeWork model: remote work setup with occasional visits to the office Type of contract: permanent contract of employment About the Role We are looking for a skilled Platform Engineer to join our Platform Enablement Team.In this role, you will work closely with development teams to guide them in adopting unified DevOps practices, standardized tooling, and secure, scalable cloud solutions.Your work will directly influence platform consistency, developer productivity, and operational excellence across the organization.Key Responsibilities Collaborate continuously with development teams to understand their needs, provide guidance, and support the adoption of platform standards.Drive harmonization of DevOps practices, tooling, and workflows across all engineering teams.Build and maintain shared platform components, including Kubernetes clusters, CI/CD pipelines, GitOps workflows, and infrastructure automation.Support teams in deploying and operating services on AWS, Kubernetes, ArgoCD, Helm, and related cloud-native technologies.Implement and maintain Infrastructure as Code using CloudFormation or Terraform.Develop automation and tooling using Python and Bash to optimize developer workflows.Promote security best practices and ensure platform solutions align with compliance and operational standards.Assist in the operation and optimization of Kafka and other shared services.DataDog monitoring.Provide technical mentoring on DevOps concepts, SDLC best practices, and developer tooling.Required Skills & Qualifications ? Strong hands-on experience with AWS and cloud-native solutions.? Deep understanding of Kubernetes and container orchestration.? Experience with ArgoCD, Helm, and GitOps principles.? Proficiency with GIT and branching strategies.? Strong scripting and automation skills using Python and Bash.? Experience with Kafka and distributed messaging systems.? Knowledge of Infrastructure as Code (CloudFormation, Terraform).? Experience building and improving CI/CD pipelines.? Strong understanding of SDLC, developer workflows, and DevOps best practices.? Experience with DataDog for monitoring and observability.? Excellent written and verbal English communication skills, with the ability to work closely with multiple engineering teams.? Solid understanding of security in cloud and DevOps environments.Nice-to-Have Skills Background in platform engineering or internal developer platforms (IDP).AWS or Kubernetes certifications.??About us: Join Santillana, Spain’s leading educational publisher and part of Sanoma Learning, a top European learning company serving over 20 million students across multiple countries.Santillana develops print and digital learning materials, as well as digital teaching platforms for primary, secondary, and vocational education.By combining pedagogical expertise and innovative technologies, we create learning solutions with real impact for teachers and students.In our Technology organization, you’ll be part of a cross-cultural, international team contributing to the digital transformation of education in Europe.This is an opportunity to help shape modern platforms that support thousands of developers and millions of learners.

Required Skills & Qualifications ? Strong hands-on experience with AWS and cloud-native solutions. ? Deep understanding of Kubernetes and container orchestration. ? Experience with ArgoCD, Helm, and GitOps principles. ? Proficiency with GIT and branching strategies. ? Strong scripting and automation skills using Python and Bash. ? Experience with Kafka and distributed messaging systems. ? Knowledge of Infrastructure as Code (CloudFormation, Terraform). ? Experience building and improving CI/CD pipelines. ? Strong understanding of SDLC, developer workflows, and DevOps best practices. ? Experience with DataDog for monitoring and observability. ? Excellent written and verbal English communication skills, with the ability to work closely with multiple engineering teams. ? Solid understanding of security in cloud and DevOps environments. Nice-to-Have Skills Background in platform engineering or internal developer platforms (IDP). AWS or Kubernetes certifications.

??About us: Join Santillana, Spain’s leading educational publisher and part of Sanoma Learning, a top European learning company serving over 20 million students across multiple countries. Santillana develops print and digital learning materials, as well as digital teaching platforms for primary, secondary, and vocational education. By combining pedagogical expertise and innovative technologies, we create learning solutions with real impact for teachers and students. In our Technology organization, you’ll be part of a cross-cultural, international team contributing to the digital transformation of education in Europe. This is an opportunity to help shape modern platforms that support thousands of developers and millions of learners.