# Quantitative Researcher – PhD Intern (US) [Citadel](https://www.jorb.ai/firms/citadel.md) · New York · United States · [Hedge Fund & Quant](https://www.jorb.ai/jobs/hedge-fund-quant.md) Citadel is hiring a Quantitative Researcher – PhD Intern (US) in New York. Posted 2025-12-26; applications close 2026-06-30. **Apply**: https://www.citadelsecurities.com/careers/details/quantitative-researcher-phd-intern-us/ Posted 5mo ago. ## Role details ## Overview Citadel Securities is a leading global market maker. Our team of quantitative researchers models the markets and develops trading strategies, applying sophisticated statistical techniques to financial data sets. As an intern, you will challenge the impossible in research by collaborating with senior team members in an 11-week program, with opportunities to network and socialize with peers. ## Program Details The signature internship program takes place June through August, with occasional flexibility to other times of the year. You will be able to indicate your timing preference in the application. ## Objectives - Conceptualize valuation strategies, develop and continuously improve 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 - PhD 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 ## Locations & Compensation Opportunities available in Miami and New York. In accordance with applicable law, the base salary range for this role is $4,300 to $5,800 per week. ## 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 across 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. We are forging the future of capital markets. For more information, visit citadelsecurities.com. ## Apply Start Application ## Applying to this role This Quantitative Researcher – PhD Intern (US) role at Citadel runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications. [Tailor this application](https://www.jorb.ai/signup?ref=job-atom&firm=citadel&job=694ef16daa11ce41cf5114b4) ## More open roles at Citadel - [Software Engineer – Intern (Europe)](https://www.jorb.ai/jobs/694ef16daa11ce41cf5114a7.md) – London, posted 5mo ago - [Machine Learning Researcher – PhD Intern (US)](https://www.jorb.ai/jobs/6a197d66e098b223efbf6f2b.md) – New York, posted 1d ago - [Quantitative Researcher – PhD Intern (Europe)](https://www.jorb.ai/jobs/6a197d66e098b223efbf6f46.md) – London, posted 1d ago - [Quantitative Researcher – PhD Intern (Asia)](https://www.jorb.ai/jobs/6a197d66e098b223efbf6f1f.md) – Hong Kong, posted 1d ago - [International Equities Associate – Intern (Europe)](https://www.jorb.ai/jobs/6a197d66e098b223efbf6f21.md) – London, posted 1d ago ## Other open Hedge Fund & Quant roles - [Graduate Trader](https://www.jorb.ai/jobs/68d7def098223bb0b2a35253.md) at [Onyx Capital Group](https://www.jorb.ai/firms/onyx-capital-group.md) – London, posted 8mo ago - [APAC GM Prime Quantitative Research, Associate](https://www.jorb.ai/jobs/6a16df9183e9ccd62b08a838.md) at [BNP Paribas](https://www.jorb.ai/firms/bnp-paribas.md) – Hong Kong, posted 3d ago - [Quantitative Researcher/Trader, Associate](https://www.jorb.ai/jobs/69669948a221733d21ce91fc.md) at [Balyasny Asset Management](https://www.jorb.ai/firms/balyasny-asset-management.md) – London, posted 4mo ago - [Quantitative Trading Analyst - New York, Boston](https://www.jorb.ai/jobs/6981c1994d40a6a22835f128.md) at [Balyasny Asset Management](https://www.jorb.ai/firms/balyasny-asset-management.md) – New York, posted 3mo ago - [Quantitative Researcher / Quantitative Research Analyst](https://www.jorb.ai/jobs/69fd339603041d1180b40b12.md) at [Citadel Securities](https://www.jorb.ai/firms/citadel-securities.md) – Singapore, posted 23d ago --- Updated: 2026-05-31 Canonical: https://www.jorb.ai/jobs/694ef16daa11ce41cf5114b4