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Citadel is an equal opportunity employer. The company prohibits discrimination in employment and advancement opportunities on the basis of race, religious creed, color, national origin, citizenship status, ancestry, disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, or military or veteran status, or any other legally protected status or characteristic under applicable federal, state, provincial, or local law. It also prohibits unlawful discrimination based on the perception that anyone has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.
For Massachusetts applicants: it is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
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At Citadel Securities, our quantitative traders make complex risk decisions, model markets, and bring trading strategies to life every day. As a markets and trading expert, you’ll use predictive analytics and sophisticated statistical techniques to monitor risk, respond to market signals and develop trading strategies across Options, ETFs, Equities, Fixed Income, Commodities and Currencies.
Your Objectives
- Develop in-depth knowledge of a financial market
- Innovate by using one of the industry’s most powerful trading platforms
- Conceptualize valuation strategies, develop, and continuously improve upon mathematical models.
- Design, build, and implement predictive models to generate novel trading signals.
- 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, master's or PhD in applied math, engineering, statistical modeling, calculus, computer science, physics or related disciplines required
- Ability to think about the world systematically and quantitatively, as well as the ability to deal with uncertainty in a rigorous and statistical approach
- Experience 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++).
- 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 may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel Securities, please share your details and we will contact you if there is a vacancy available.
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 in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com.
Start Application
Sectors
Locations
Sectors
Locations
London
Personal Information
First Name
Last Name
Preferred Name
Phone Number
Current or Most Recent Employer
×
Attach a Resume (.docx,.doc,.pdf,.txt - max 10MB file size).
Choose A File
Education History
College / University / School
×
Degree
- Select-AssociateBachelorsCertificateDiplomaDoctoratePost-DoctorateMastersJ.D.M.D.LL.M.Other- Select-
- Associate
- Bachelors
- Certificate
- Diploma
- Doctorate
- Post-Doctorate
- Masters
- J.D.
- M.D.
- LL.M.
- Other
Major
- Select-Computer ScienceEngineeringMathematicsPhysicsEconomicsFinanceBusinessStatisticsOther- Select-
- Computer Science
- Engineering
- Mathematics
- Physics
- Economics
- Finance
- Business
- Statistics
- Other
GPA
GPA Scale
-Select -4.05.00-100-Select -
- 4.0
- 5.0
- 0-100
Start Date
Graduation Date
X
Add Education
Additional Questions
If you completed an internship this summer, please indicate whether you received a return offer:
Yes
No
Are you in any late stage processes with competing companies, including offer stage?
Yes
No
Add Competing Process
Do you now, or will you in the future, need sponsorship from an employer to obtain, extend, or renew your authorization to work in the country this job is posted in?
-- Select --YesNo -- Select --
- Yes
- No
Do you have family members that are currently employed at Citadel or Citadel Securities?
-- Select --YesNo -- Select --
- Yes
- No
Please share any relevant links that showcase your academic or technical work (e.g., GitHub, Google Scholar, LinkedIn, personal website).
X
Add Link
Citadel is an equal opportunity employer. The company prohibits discrimination in employment and advancement opportunities on the basis of race, religious creed, color, national origin, citizenship status, ancestry, disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, or military or veteran status, or any other legally protected status or characteristic under applicable federal, state, provincial, or local law. It also prohibits unlawful discrimination based on the perception that anyone has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.
For Massachusetts applicants: it is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Checking your Browser…
Verifying...
Stuck? Troubleshoot
Success!
Verification failed
Troubleshoot
Verification expired
Refresh
Verification expired
Refresh
Troubleshoot
Cloudflare, opens in a new tab
At Citadel Securities, our quantitative traders make complex risk decisions, model markets, and bring trading strategies to life every day. As a markets and trading expert, you’ll use predictive analytics and sophisticated statistical techniques to monitor risk, respond to market signals and develop trading strategies across Options, ETFs, Equities, Fixed Income, Commodities and Currencies.
Your Objectives
- Develop in-depth knowledge of a financial market
- Innovate by using one of the industry’s most powerful trading platforms
- Conceptualize valuation strategies, develop, and continuously improve upon mathematical models.
- Design, build, and implement predictive models to generate novel trading signals.
- 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, master's or PhD in applied math, engineering, statistical modeling, calculus, computer science, physics or related disciplines required
- Ability to think about the world systematically and quantitatively, as well as the ability to deal with uncertainty in a rigorous and statistical approach
- Experience 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++).
- 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 may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel Securities, please share your details and we will contact you if there is a vacancy available.
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 in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com.
Start Application
