Cloud Platform Engineer

Citadel Securities; Miami (FL); Hybrid; USD 100,000 - 140,000; Full time

Job summary

Citadel Securities is looking for a Cloud Platform Engineer to join our Research Platform Engineering team in Miami or New York. You will design and build scalable cloud-native platform services for research, AI, and data-intensive workloads, improving performance and operational excellence.

The ideal candidate has a Bachelor’s degree in Computer Science and 3+ years of experience in cloud infrastructure. Strong programming skills in Go, Python, or C++ and familiarity with Kubernetes are essential. Join us to help power critical systems across the firm.

Qualifications

• 3+ years of professional experience building and operating large-scale cloud infrastructure.
• Experience developing cloud-native systems and infrastructure.
• Demonstrated ability to build production software.

Responsibilities

• Design and build cloud-native platform services and distributed systems.
• Collaborate with researchers and engineers for scalable production systems.
• Improve observability, performance, and resiliency across platforms.

Skills

Strong programming skills in Go, Python, C++, or similar languages

Experience with Kubernetes and container orchestration

Understanding of distributed systems and networking fundamentals

Education

Bachelor's degree in Computer Science or a related field

Tools

GCP

AWS

Azure

Job description

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 workloads
• Build abstractions, APIs, and automation that simplify cloud resource management for researchers and engineers
• Design and operate large-scale compute, storage, and networking infrastructure across cloud environments
• Improve observability, performance, resiliency, and operational excellence across critical infrastructure platforms
• Collaborate closely with researchers and engineers to translate requirements into scalable production systems
• Contribute to platform architecture, deployment automation, and infrastructure lifecycle management

Qualifications

• Bachelor\'s degree in Computer Science or a related field
• 3+ years of professional experience building and operating large-scale cloud infrastructure, distributed systems, or platform services
• Strong programming skills in Go, Python, C++, or similar languages, with a demonstrated ability to build production software
• Experience 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 systems
• Experience with Kubernetes, container orchestration, infrastructure automation, or modern platform engineering practices