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 the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market’s most critical challenges, turning big ideas into real-world outcomes.

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