You need a degree in a quantitative field, strong stats knowledge, coding skills (Python/R/C++), research experience, and excellent analytical and communication abilities.

You will develop and refine mathematical models, back test trading strategies, analyze unconventional data, and conduct research to enhance monetization systems for trading signals.

United Kingdom

London

Large

Citadel Securities is the next-generation capital markets firm. Our work is powered by the deepest integration of financial, mathematical and engineering expertise. Combining deep trading acumen with cutting-edge analytics and technology, we at Citadel Securities deliver critical liquidity to the world’s most important financial institutions—while helping shape the global markets of tomorrow.


Finance

Citadel Securities

<div>
 <div>
  <h2 class="jobSectionHeader"><b>Job Description</b></h2> 
  <div>
   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. 
  </div>
  <div></div>
  <div>
   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.
  </div> 
  <div></div>
  <div>
   <b>Your Objectives</b>
  </div> 
  <ul>
   <li>Conceptualize valuation strategies, develop and continuously improve upon mathematical models, and help translate algorithms into code</li> 
   <li>Back test and implement trading models and signals in a live trading environment</li> 
   <li>Use unconventional data sources to drive innovation</li> 
   <li>Conduct research and statistical analysis to build and refine monetization systems for trading signals</li> 
  </ul>
  <div></div>
  <div>
   <b>Your Skills &amp; Talents</b>
  </div> 
  <ul>
   <li>Bachelor’s or master’s degree in mathematics, statistics, physics, computer science, or another highly quantitative field </li>
   <li>Strong knowledge of probability and statistics (e.g., machine learning, time-series analysis, pattern recognition, NLP)</li> 
   <li>Prior experience working in a data driven research environment</li> 
  </ul>
  <ul>
   <li>Experience with translating mathematical models and algorithms into code (Python, R or C++)</li> 
   <li>Independent research experience</li> 
   <li>Ability to manage multiple tasks and thrive in a fast-paced team environment</li> 
   <li>Excellent analytical skills, with strong attention to detail</li> 
   <li>Strong written and verbal communication skills</li> 
  </ul>
  <div></div>
  <div>
   Opportunities available in London, Paris.
  </div> 
  <h2 class="jobSectionHeader"><b>About Citadel Securities</b></h2> 
  <p> 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.</p>
 </div>
</div>
<div></div>


 
  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 Objectives
   
  
   Conceptualize valuation strategies, develop and continuously improve upon mathematical models, and help translate algorithms into code 
   Back test and implement trading models and signals in a live trading environment 
   Use unconventional data sources to drive innovation 
   Conduct research and statistical analysis to build and 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 
   Strong knowledge of probability and statistics (e.g., machine learning, time-series analysis, pattern recognition, NLP) 
   Prior experience working in a data driven research environment 
  
  
   Experience with translating mathematical models and algorithms into code (Python, R or C++) 
   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 
  
  
  
   Opportunities available in London, Paris.
   
  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.
 



Quantitative Research Analyst – 2025 Intern

Requirements

Responsibilities

FAQs

What is the duration of the internship program?

Where are the internship opportunities located?

What kind of degree is required for this internship?

What skills are necessary for a successful applicant?

Will interns have the opportunity to work closely with experienced team members?

What type of projects will interns work on?

Is prior experience in a data-driven research environment required?

Are there specific programming languages required for this role?

Will interns have networking opportunities during the program?

Is independent research experience important for this position?

Citadel Securities

Mission & Purpose