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Employer
Citadel / Citadel Securities
Location
London, UK / Miami and New York, US / Hong Kong
Salary
Unspecified
Posting live until
31 Dec 2025
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Job Details

 Citadel image

Citadel is one of the world’s leading alternative investment managers. We manage capital on behalf of many of the world’s pre-eminent institutions. We seek the highest use of investor capital to deliver leading results and contribute to broader economic growth.    

Citadel Securities is a leading global market maker and next-generation capital markets firm. We combine deep trading acumen with cutting-edge analytics and technology to deliver liquidity to the world’s most important financial institutions – while helping shape tomorrow’s markets.

Why work for us
Our culture of achievement invites the brightest minds in science. As a result, we have some of the most talented and accomplished researchers in the world working alongside our investment professionals, traders, and engineers.  

Through discussion, debate and collaboration, we continue to outdo what’s been done before. We’re empowered to test our ideas and develop commercial solutions that drive real impact. Compute power, sophisticated analytics, modern tech stacks, and other dedicated resources enable us to put our best ideas into action. 

Training and development
For new hires, we take an apprenticeship approach characterized by on-the-job learning: no prior finance experience required. We provide a robust onboarding and training programme to build skills that will prepare you for success now and in the future. Our early careers experience provides strong mentorship and a clear development plan. 

What we are looking for
Our quantitative researchers come from diverse fields of physics as the markets present rich data, complex problems and fast feedback. We treat market problems as scientific questions, and our quants can quickly see how the markets validate or refute their thinking. They excel at finding creative connections in the complexity of market data and thinking critically. Iterating from multiple angles, they observe patterns and form hypotheses. When the data supports a hypothesis, we build out large-scale strategies to implement the idea. 


Locations
London, UK; Miami, New York, US; and Hong Kong

Number of employees
Citadel: 3100
Citadel Securities: 1700

Positions recently recruited for
Quantitative research, quantitative development, software engineering, quantitative trading

Pre-requisites
Eligible to work in the US, UK, EU or Hong Kong

How to apply
View open roles and apply online:
www.citadelsecurities.com/careers/open-opportunities
www.citadel.com/careers/open-opportunities

Closing date
All year round

Contact
www.citadel.com
www.citadelsecurities.com

Company

Citadel image

Citadel is one of the world’s leading alternative investment managers. We manage capital on behalf of many of the world’s pre-eminent institutions. We seek the highest use of investor capital to deliver leading results and contribute to broader economic growth.    

Citadel Securities is a leading global market maker and next-generation capital markets firm. We combine deep trading acumen with cutting-edge analytics and technology to deliver liquidity to the world’s most important financial institutions – while helping shape tomorrow’s markets.

Why work for us
Our culture of achievement invites the brightest minds in science. As a result, we have some of the most talented and accomplished researchers in the world working alongside our investment professionals, traders, and engineers.  

Through discussion, debate and collaboration, we continue to outdo what’s been done before. We’re empowered to test our ideas and develop commercial solutions that drive real impact. Compute power, sophisticated analytics, modern tech stacks, and other dedicated resources enable us to put our best ideas into action. 

Training and development
For new hires, we take an apprenticeship approach characterized by on-the-job learning: no prior finance experience required. We provide a robust onboarding and training programme to build skills that will prepare you for success now and in the future. Our early careers experience provides strong mentorship and a clear development plan. 

What we are looking for
Our quantitative researchers come from diverse fields of physics as the markets present rich data, complex problems and fast feedback. We treat market problems as scientific questions, and our quants can quickly see how the markets validate or refute their thinking. They excel at finding creative connections in the complexity of market data and thinking critically. Iterating from multiple angles, they observe patterns and form hypotheses. When the data supports a hypothesis, we build out large-scale strategies to implement the idea. 


Locations
London, UK; Miami, New York, US; and Hong Kong

Number of employees
Citadel: 3100
Citadel Securities: 1700

Positions recently recruited for
Quantitative research, quantitative development, software engineering, quantitative trading

Pre-requisites
Eligible to work in the US, UK, EU or Hong Kong

How to apply
View open roles and apply online:
www.citadelsecurities.com/careers/open-opportunities
www.citadel.com/careers/open-opportunities

Closing date
All year round

Contact
www.citadel.com
www.citadelsecurities.com

Company info
Website
Telephone
+44 (0)20 7645 9700
Location
120 London Wall
London
EC2Y 5ET
United Kingdom

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