Making Tomorrow’s Markets


Working At Citadel Securities

Careers of Foresight

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"We are not just working with big data, but are working with big, important data. The math problems we solve in here make the world better out there."

Sahand Rabbani Senior Quantitative Researcher
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"Through our innovative efforts and engineering, we are able to lower the costs of trading for millions of hardworking investors, making it easier for them to invest in their future while simultaneously saving for it."

Joshua Fisher Director of Front Office Development
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“Helping companies expand their business is always one of our primary goals. By fostering liquidity in company stocks, we help provide corporate leaders with the assurance they need to continuously invent new products, enter new markets, and grow with confidence.”

Lauren Manchester DMM Relationship Manager
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"The mentors here teach you how to model both the markets – and your career.”

Alex Galperin Director - Software Architecture


Global Headquarters
131 South Dearborn Street
Chicago, IL 60603 USA

TEL 312-395-2100
FAX 312-267-7100

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New York

350 Park Avenue
(Between 51st and 52nd Street)
New York, NY 10022 USA

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120 London Wall
London EC2Y 5ET
United Kingdom


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Hong Kong

Chater House Suites 1801, 1806-10
8 Connaught Road
Central, Hong Kong

TEL 852.3667.5500
FAX 852.3667.5501

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First Canadian Place
100 King Street West
Suite 4720
PO Box 147
Toronto, Ontario
M5X 1C7

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15/F Plaza 66, Tower II
Nanjing West Road
Shanghai, China

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2 Park Street
Sydney NSW 2000

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One Grand Canal Square
5th Floor
Dublin 2
Dublin, Ireland

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Why Citadel Securities