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Quantitative Researcher (Systematic Equities)

Old Mission Capital - New York, NY, United States

Posted Jan 28, 2026

Benefits

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About this role

Quantitative Researcher (Systematic Equities) New York, NY, United States Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement. Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth. About the Position Old Mission is looking to hire a Quantitative Researcher for our growing Global Equities team in our New York City Office. We are seeking a Quantitative Researcher to design, research, and deploy systematic trading strategies across global equity markets. The role involves end-to-end ownership of the research process, from alpha generation to signal research, with a focus on portfolio optimization, risk management, and performance evaluation. Responsibilities - Research, develop, and implement quantitative trading strategies across global equity markets - Identify and test alpha signals using large, structured, and unstructured datasets - Perform statistical analysis, feature engineering, and model validation to assess signal robustness - Design portfolio construction and optimization frameworks, including risk constraints and transaction cost modeling - Conduct backtesting, out-of-sample testing and performance attribution - Collaborate with quantitative researchers, traders, and engineers to productionize models - Monitor live strategies, analyze the performance, and iterate to improve risk-adjusted returns - Continuously evaluate new data sources, market microstructure

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