Job Description Help for Job Description. Opens a new window. Quantitative Researcher positions offered by Citadel Securities Americas Services LLC (Miami, Florida). Formulate advanced mathematical and simulation models of complex market problems, relating constants and variables, restrictions, alternatives, conflicting objectives, and their numerical parameters using technology, mathematical and statistical modeling, and computer systems. Perform and analyze market micro-structure trading simulations to develop trading strategies. Perform statistical and data analysis of historical market information to develop predictive signals. Conceptualize valuation strategies, develop, and enhance mathematical models and research tools, and translate algorithms into code. Conduct research and statistical analysis to build and refine monetization systems for trading signals. Requires a Ph.D. or foreign equivalent degree in Statistics, Mathematics, Physics, Computer Science, Engineering, or a related quantitative field. Education, training, or experience must include the following: Conducting time-series or cross-sectional analysis to develop trading strategies; Quantitative data analysis methods and techniques (including Regression Analysis, Machine Learning, or Large Language models); C++ or OOD programming; Utilizing Python, R or C++ to translate mathematical models and algorithms into code; and, Analyzing terabyte sized large datasets. Experience may be, but need not be, acquired concurrently. Please submit resume and transcripts to citadelrecruitment@citadel.com.