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Citadel Securities

Quantitative Researcher - 2025 PhD Intern (US)

Citadel Securities, Miami, Florida, us, 33222


Job Description

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques. You'll get to challenge the impossible in quantitative research by applying sophisticated and complex statistical techniques to financial markets, some of the most complex data sets in the world.

As an intern, you'll get to challenge the impossible in research through an 11 week program that will allow you to collaborate and connect with senior team members. In addition, you'll get the opportunity to network and socialize with peers throughout the internship.

Your ObjectivesConceptualize valuation strategies, develop and continuously improve upon mathematical models, and help translate algorithms into codeBack test and implement trading models and signals in a live trading environmentUse unconventional data sources to drive innovationConduct research and statistical analysis to build and refine monetization systems for trading signalsYour Skills & Talents

PhD degree in mathematics, statistics, physics, computer science, or another highly quantitative fieldStrong knowledge of probability and statistics (e.g., machine learning, time-series analysis, pattern recognition, NLP)Prior experience working in a data driven research environmentExperience with translating mathematical models and algorithms into code (Python, R or C++)Independent research experienceAbility to manage multiple tasks and thrive in a fast-paced team environmentExcellent analytical skills, with strong attention to detailStrong written and verbal communication skills

Opportunities available in Miami, New York.

In accordance with New York City's Pay Transparency Law, the base salary range for this role is $4,325 to $5,750 per week. Base salary does not include other forms of compensation or benefits.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.