This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Platform Engineer based in United States. This role offers the opportunity to lead the design and evolution of secure, cloud-native platforms supporting critical mission-driven environments.You will serve as a technical leader responsible for building scalable runtime platforms, improving engineering practices, and enabling teams to deliver software efficiently and securely.The position combines hands-on engineering with strategic technical ownership, allowing you to influence architecture decisions and long-term platform direction.You will collaborate across engineering, product, and customer teams to solve complex infrastructure challenges and deliver impactful solutions.Working with modern technologies such as Kubernetes, GitOps, cloud platforms, and DevSecOps practices, you will help shape secure software delivery at scale.This is an ideal opportunity for an experienced platform engineer who thrives in ambiguity, innovation, and high-impact technical environments.