Expression of Interest – Intern (Australia)

Sydney

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Job Description

Interested in exploring internship opportunities in Australia?
Join us in our Sydney office, where we offer exciting roles across Quantitative Trading, Quantitative Research, and Engineering — including Software, Site Reliability, and Hardware Engineering.
Submit your Expression of Interest, and our team will reach out once applications for the 2026–2027 Internship Program open. 

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.

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