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 dive into 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. Our signature internship program takes place June through August. Occasionally, we can be flexible to other times of the year. You will be able to indicate your timing preference in the application. Your Objectives Conceptualize valuation strategies, develop and continuously improve upon mathematical models, and help translate algorithms into code Back test and implement decisions and signals in a live trading environment Use conventional data sources to drive innovation Conduct research and statistical analysis to build and refine managing systems for trading signals Your Skills & Talents PhD degree in a highly quantitative field Strong knowledge of statistics (e.g., machine learning, time-series analysis) Experience with translating mathematical models and algorithms into code (Python, R or C++) Independent research experience Ability to manage multiple tasks Excellent analytical skills Strong communication skills 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 Securities, please share your details and we will contact you if there is a vacancy available. We collect and use personal data in accordance with our Privacy Policy. We retain data on prospective candidates and may consider suitability for alternative opportunities at Citadel Securities. For more information, see our Privacy Policy. About Citadel Securities Citadel Securities is a technology-driven, global market maker. We provide institutional and retail investors with solutions in a broad array of financial products. Our teams harness quantitative research and analytics to address the market's most critical challenges. For more information, visit citadelsecurities.com.

Quantitative Researcher – PhD Intern (Europe)