Senior AWS Cloud Architect - Remote, Enterprise-Scale Design

Callista is seeking a Senior AWS Cloud Architect to design scalable, secure cloud architectures for enterprise needs and guide cross-functional teams. The role emphasizes architectural leadership, standards, and governance across AWS services.

The position offers remote work with travel within Switzerland, starting immediately. Ideal candidates have strong AWS experience, IaC, and familiarity with life sciences or related regulated environments. 2–3 months engagement, 60%–100% workload.