Cloud Architect (AWS) – ODS

About the role

Open Digital Services, the software development arm of Santander Group, is looking for a Cloud Architecture Engineer to join its Data Management department in Spain. You will design, build and operate the AWS cloud infrastructure that powers the ODS Data Lake and related data services, ensuring high availability, security and cost efficiency.

Key responsibilities

• Design, implement and maintain AWS cloud infrastructure for data platforms and critical workloads.
• Define architecture patterns, standards and best practices for scalability, security, reliability and cost optimisation.
• Manage core AWS services such as EC2, S3, Lambda, IAM, CloudWatch and related technologies.
• Deploy and maintain infrastructure using Infrastructure as Code tools like CloudFormation and AWS CDK.
• Monitor platform health, investigate incidents and apply corrective actions.
• Configure access controls and security settings following AWS best practices.
• Collaborate with Data Engineering, Security, Operations and Product teams to translate requirements into cloud‑native solutions.
• Support and evolve Data Lake environments, ensuring performance and availability.
• Design automation to improve operational efficiency and reduce manual effort.
• Identify architectural risks, performance bottlenecks and improvement opportunities.
• Contribute to documentation, operational procedures and disaster‑recovery processes.

Required profile

• Strong knowledge of AWS services, automation and Infrastructure as Code.
• Experience with data platform technologies and cloud‑native solutions.
• Ability to work cross‑functionally with engineering, security and product teams.
• Focus on reliability, security and cost optimisation.

Required skills

• AWS (EC2, S3, Lambda, IAM, CloudWatch)
• CloudFormation
• AWS CDK
• Infrastructure as Code
• Data Lake concepts
• Automation and scripting