Cloud Platform Engineer

Role Overview Citadel Securities is seeking an exceptional Cloud Platform Engineer to join our Research Platform Engineering team in Miami or New York. Our team develops and operates the cloud platforms, distributed systems, and infrastructure that power research, simulations, AI workloads, and data-intensive applications across the firm. We build the services and abstractions that allow researchers and engineers to efficiently leverage large-scale compute, storage, and cloud resources. This role is focused on building scalable, reliable infrastructure and platform services that improve the efficiency, usability, and performance of some of the firm's most critical systems. Locations New York, Miami Responsibilities Design and build cloud-native platform services and distributed systems supporting research, AI, and data-intensive workloadsBuild abstractions, APIs, and automation that simplify cloud resource management for researchers and engineersDesign and operate large-scale compute, storage, and networking infrastructure across cloud environmentsImprove observability, performance, resiliency, and operational excellence across critical infrastructure platformsCollaborate closely with researchers and engineers to translate requirements into scalable production systemsContribute to platform architecture, deployment automation, and infrastructure lifecycle management Qualifications Bachelor's degree in Computer Science or a related field3+ years of professional experience building and operating large-scale cloud infrastructure, distributed systems, or platform servicesStrong programming skills in Go, Python, C++, or similar languages, with a demonstrated ability to build production softwareExperience developing cloud-native systems and infrastructure on platforms such as GCP, AWS, or Azure (GCP experience is a plus)Strong understanding of distributed systems, Linux, networking fundamentals, and large-scale production systemsExperience with Kubernetes, container orchestration, infrastructure automation, or modern platform engineering practices Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel, please share your details and we will contact you if there is a vacancy available. About Citadel Securities Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com.