Quantitative Research Analyst – Intern (US)

Overview

Citadel Securities is a leading global market maker. Our team of quantitative researchers models the markets and develops automated quant trading strategies. We leverage advanced statistical techniques and cutting-edge machine learning to solve complex problems in finance. As an intern, you will participate in a summer-long program that enables collaboration with senior team members and networking with peers.

Program Highlights

During the internship, you will have the opportunity to collaborate with experienced researchers, network with peers, and engage in activities that support professional growth.

Your Objectives

• Conceptualize valuation strategies, develop, and improve mathematical models.
• Design and build predictive models to generate novel trading signals.
• Back-test and implement trading models and signals in a live trading environment.
• Leverage unconventional data sources to drive innovation.
• Conduct research and statistical analysis to refine monetization systems for trading signals.

Your Skills & Talents

• Bachelor's or master's degree in mathematics, statistics, physics, computer science, or another highly quantitative field.
• Experience applying advanced machine learning techniques; familiarity with modern AI concepts such as Large Language Models (LLMs) and agentic systems is highly desirable.
• Expertise in translating mathematical models and algorithms into code (Python, R, or C++).
• Prior experience in a data-driven research environment.
• Independent research experience.
• Ability to manage multiple tasks and thrive in a fast-paced team environment.
• Excellent analytical skills with strong attention to detail.
• Strong written and verbal communication skills.

Location & Scheduling

Opportunities available in New York and Miami.

Compensation & Benefits

In addition to weekly pay, interns may be eligible for a highly competitive sign-on bonus, housing stipend or covered living accommodations, company-sponsored travel, and a variety of on-site benefits, including access to on-site fitness and wellness amenities, catered meals, and social and networking events.

Salary

In accordance with applicable law, the base salary range for this role is $4,500 to $5,800 per week.

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 across a broad array of financial products. Our engineers, traders, and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning, and AI to power our analytics and address market and client challenges. We are shaping the future of capital markets. For more information, visit citadelsecurities.com.