This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Cloud Security Engineer based in United States. As a Staff Cloud Security Engineer, you will help define and strengthen the security foundation of modern, multi-cloud environments and next-generation applications. You will design automated security controls and embed security directly into development and deployment workflows. The role spans DevSecOps, identity and access management, infrastructure hardening, workload security, data protection, and threat detection. You will partner closely with engineering, DevOps, product, and security teams to build secure-by-default systems at scale. You will also help secure emerging AI/ML workloads, protecting models, data pipelines, identities, and sensitive information from evolving threats. Your work will directly reduce organizational risk while improving developer efficiency, visibility, and resilience. This is a high-impact technical leadership opportunity for a hands-on security engineer who enjoys building scalable solutions in a rapidly evolving environment.