Quantitative Research Analyst Intern - BS/MS (Europe)
Citadel Securities
Sponsorship status
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Last verified: 15 September 2026
11-week Quantitative Research Analyst internship, based in London, Paris or Zurich. Rolling/ongoing hiring, no fixed deadline - candidates register interest and are contacted as vacancies open. Sourced 15 Sept 2026.
Full job description
An 11-week Quantitative Research Analyst internship at Citadel Securities, based in London, Paris or Zurich, within the team that models markets and builds automated quantitative trading strategies. As an intern you would conceptualise and refine valuation strategies, develop and improve mathematical models, help translate algorithms into code, back-test and implement trading models and signals in a live trading environment, and use unconventional data sources to drive research - alongside opportunities to network and connect with senior team members throughout the programme. It's open to students pursuing a Bachelor's or Master's degree in mathematics, statistics, physics, computer science, or another highly quantitative field, with a strong grounding in probability and statistics (such as machine learning, time-series analysis, pattern recognition or NLP), prior experience in a data-driven research environment, independent research experience, and the ability to translate mathematical models and algorithms into Python, R or C++. Citadel Securities notes that opportunities across its European offices open on a rolling basis as vacancies arise, so interested candidates are encouraged to register their details at any time rather than wait for a single fixed application window.