We are One Team. We make it happen. We are Unstoppable.
BABEL es una consultora tecnológica multinacional especializada en aplicar sus servicios y conocimiento tecnológico en los procesos de aceleración digital de sus clientes, grandes empresas y organismos públicos.¿Cuál es nuestro plan estratégico?Miramos hacia el futuro Nuestro plan estratégico Hiperespacio 2029 promete ser un viaje emocionante, lleno de oportunidades para crecer y desarrollarse profesionalmente. Alcanzar 1000 millones de facturación, un reto que estamos seguros de que con la colaboración y el talento de nuestra gente, será otra historia de éxito que escribiremos juntos y juntas.¿Qué buscamos?As a GTB Senior Solution Architect – Security Focus, you will design and govern secure enterprise-grade architectures aligned with:
• Santander Group approved security frameworks
• Enterprise governance and regulatory requirements
• Multi-region/domain architectural consistency
• Cloud-native best practices (primarily AWS)You will act as a trusted security architecture advisor, working closely with:
• SCIB CTO Security
• BaaS Security
• CISO
• Regional architecture and security teams
• Cloud and platform engineering domains
• GTB devops team
• GTB Solution Architect teamKEY RESPONSIBILITIES
• Define and design end-to-end security architectures aligned with Santander Group security frameworks and standards.
• Ensure multi-region/domain alignment of security patterns and architectural consistency.
• Design authentication and authorization models based on:o OAuth2o OpenID Connect (OIDC)o SAML 2.0o Federated identityo JWT/token-based architectures
• Define IAM strategies for cloud-native environments, primarily AWS, while ensuring compatibility with hybrid or multi-cloud scenarios.
• Collaborate with Security and Governance stakeholders to validate architectural decisions.




• Lead and execute Proofs of Concept (PoCs) to validate security models and emerging technologies.
• Contribute to cloud migration and modernization initiatives, defining secure target architectures and transition roadmaps.
• Embed security-by-design and DevSecOps principles across solution lifecycles.
• Participate in architecture reviews, threat modeling, and risk assessments.
• Establish reusable security patterns, blueprints, and best practices for cross-region adoption.
• Stay current with AWS security services and evolving industry standards.
MANDATORY SKILLS
• 5+ years of experience in Solution Architecture with strong focus on Security Architecture and IAM.
• Proven experience designing security architectures in cloud-native environments (AWS preferred).
• Experience aligning architectures with enterprise-wide security frameworks.
• Hands-on experience implementing OAuth2, OIDC, SAML, federation, and enterprise IdP integrations.
• Experience contributing to cloud migration and modernization programs.
• Experience in regulated environments (financial services preferred).
• Intermediate level in English (Spanish is a plus).
Skills & Knowledge
• Deep understanding of authentication and authorization frameworks.
• Strong knowledge of enterprise Identity Providers and federation models.
• Advanced knowledge of AWS security services (IAM, KMS, WAF, Shield, Security Hub, API Gateway, EKS, etc.).




• Experience defining IAM strategies for multi-region/domain and hybrid cloud environments.
• Strong understanding of Zero Trust Architecture principles.
• Knowledge of encryption standards, PKI, certificate lifecycle management, TLS/mTLS.
• Ability to produce clear, structured architecture documentation and security blueprints.
NICE TO HAVE
• Security certifications (CISSP, CISM, CCSP, SABSA or equivalent).
• AWS Certified Solutions Architect – Professional or AWS Security Specialty.
• Experience with hybrid or multi-cloud governance models.
• Experience with DevSecOps practices and infrastructure-as-code security controls (Terraform, Ansible, Github actions).
• Knowledge of container and Kubernetes security.
• Exposure to observability and security monitoring frameworks.
Education
• Bachelor's degree (or higher).
• Postgraduate studies or specialization in Cybersecurity, Cloud Security, or Enterprise Architecture are valued.
Soft Skills
• Strong communication and presentation abilities.
• Ability to influence across global and regional teams without direct authority.
• Strong stakeholder management skills.
• Strategic thinking with strong risk awareness.
• Leadership and mentoring capabilities.
• High adaptability in complex, regulated environments.¿Qué ofrecemos?Babel, the great way to achieve the success.¿Quieres formar parte de un equipo en expansión, comprometido e creativo que hace historia cada día? En Babel te acompañamos en tu camino hacia el éxito. Creemos en el talento de las personas y lo queremos potenciar ofreciéndote un gran entorno de trabajo basado en la colaboración y la solidaridad.
Trabajar en Babel es mucho más que trabajar en una empresa, es unirse a un equipo de personas con una misión compartida y a un modelo de compañía

📌 Senior Solution Architect Security Focus (Madrid)
🏢 BABEL
📍 Madrid