Experteer Overview As Staff System Architect at Siemens, you own the end-to-end platform architecture for a high-scale, multi-service environment, combining diverse systems and data at speed. You will shape a secure, observable, and cost-aware enterprise platform, working with cross-functional teams to turn enterprise capabilities into concrete designs. You’ll remain hands-on to resolve architecture risks and prototype key parts, while guiding decisions without formal authority. The role offers impact on security, data integrity, and scalable delivery in a hybrid work setting. This is an opportunity to influence a large-scale, trusted platform that supports product transparency and vulnerability operations.

Compensaciones / Incentivos • Own the target architecture and roadmap, including migrations and cutovers for systems that cannot be switched off • Translate enterprise architecture into system architecture with the Principal Key Expert Enterprise Architect • Design component and data architecture with serverless, containerized, and managed cloud services • Define APIs and interfaces with various data modalities and clear contracts • Define data ownership and boundaries with explicit, versioned interfaces • Architect security and identity, including RBAC/ABAC and threat modeling • Set targets for performance, availability, scale, and cloud cost,



justifying data store choices • Record decisions and maintain architecture documentation, leading build-versus-buy analyses • Lead technically across teams, review designs, prototype risky parts, and explain architecture across stakeholders

Responsabilidades • 10+ years in software engineering and architecture with ownership of architectures across multiple systems and production delivery • Architecture practice including ADRs, C4 or similar models, threat modeling, capacity planning, PoC-led build-versus-buy analysis • Distributed systems and integration experience: event-driven design, resilience patterns, versioned REST/OpenAPI contracts • Data architecture experience with relational, document, graph, search, and analytical stores, large-scale data modeling • Security architecture experience: RBAC/ABAC, identity federation and SSO, least-privilege IAM, secrets management, auditability • AWS and operations: cost-aware multi-service AWS designs with Terraform or CDK; SLOs, observability, incident response, non-disruptive migrations • Hands-on engineering in Go, Java, Kotlin, C#, Rust, Python, or TypeScript • Technical leadership without authority: clear reasoning and fluent English communication

Requisitos principales • Hybrid work model • belonging and inclusion • continuous learning and growth opportunities • share matching program • flexible benefits

📌 Staff System Architect (m/f/d) (Madrid)
🏢 Siemens
📍 Madrid