The most important decision of your career is choosing where it starts


Explore our Internships

An internship at Citadel Securities is more than a job—it’s an experience. Apply your curiosity and engage in meaningful work with the brightest minds in the industry.

Over the course of 11 weeks, our interns:

  • Benefit from mentorship: Receive constructive, tailored guidance to help you learn and deliver your best.
  • Develop valuable skills: Participate in classes, seminars and coffee chats led by our industry experts.
  • Make an impact: Apply what you learn working side-by-side with our full-time early career employees.
  • Explore the community: Experience the city with exclusive access to things like top cultural spots and sporting events.


Take a peek inside our one-of-a-kind 2020 internship

An immersive experience for our 2020 intern class

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Hear from our 2020 interns

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Find the path that suits your strengths

Bring your competitive drive and curiosity. We’ll teach you the skills to succeed and thrive.


Do you enjoy problem-solving and rapidly building technology for production?

Quantitative Research

Do you enjoy applying your research skills to develop predictive models?

Markets & Trading

Do you enjoy analyzing data to make critical investment and risk management decisions?

Discover Citadel Securities

Join us for a two-day event in Chicago, Singapore or London:

  • Discover the range of exciting opportunities on our team at Citadel Securities
  • Learn about the important role market makers play in creating transparent, competitive and resilient markets
  • Explore career paths in engineering, quantitative research and markets and trading
  • Experience our culture and how we work together
  • Meet our business leaders, recent graduates and recruiters

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Show us your skills

Compete against some of the best and brightest and see if you’ll excel on our team.

Are you passionate about applying math and computer science to tackle the most critical challenges in global markets? If so, compete in The 2021 Data Open to showcase your skills and earn a chance to interview with us.


Do you have what it takes to win a tower defense-style algorithm coding competition against the world’s top engineering students? Winners earn access to exclusive job opportunities and more.

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