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Old Mission Capital jobs

Browse current Old Mission Capital openings that JobDrop found directly from the company's careers source.

Tax Manager/Senior Tax Manager

Old Mission Capital · Chicago, IL, US · Posted 2026-07-02 · Experience required

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 te

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Employee Experience Specialist (Receptionist)

Old Mission Capital · Chicago, IL, US · Posted 2026-07-01 · No minimum stated

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 te

EmployeeSpecialistReceptionistnbspmissionofficeprofessionalfully

Fundamental Research Analyst (Asian Market Hours)

Old Mission Capital · Chicago, IL, US · Posted 2026-06-30 · Experience required

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 te

Python

Summer Tax/Accounting Intern

Old Mission Capital · Chicago, IL, US · Posted 2026-06-16 · Experience required

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 te

Excel

Site Reliability Engineer

Old Mission Capital · Chicago, IL or New York, NY, US · Posted 2026-05-13 · 4+ years

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 te

PythonRustC++PerlKubernetesDockerAnsibleCI/CD

Python Software Engineer

Old Mission Capital · New York, NY, US · Posted 2026-05-05 · 2+ years

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 te

PythonPostgreSQLMySQLLinux

Python Software Engineer

Old Mission Capital · London, UK · Posted 2026-03-30 · 3+ years

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 te

PythonPostgreSQLMySQLLinux

Junior Quantitative Trader (Asian Market Hours)

Old Mission Capital · Chicago, IL, US · Posted 2026-03-19 · 2+ years

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 te

PythonC++RubyR

Quantitative Researcher (Experienced - Ph.D.)

Old Mission Capital · Chicago, IL, US · Posted 2026-03-16 · Experience required

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 te

PythonC++

Quantitative Researcher (Systematic Equities)

Old Mission Capital · New York, NY, US · Posted 2026-01-28 · 4+ years

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 te

Python

Operations Analyst

Old Mission Capital · London, UK · Posted 2025-12-03 · Experience required

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 te

PythonSQLLinuxExcel

Quantitative Trader (ETF)

Old Mission Capital · Chicago, IL, US · Posted 2025-11-18 · 2+ years

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 te

PythonJavaC++

Systematic Equity Options Trader

Old Mission Capital · Chicago, IL, US · Posted 2025-11-18 · 4+ years

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 te

SystematicEquityOptionsTradertradingquantitativestrategiesmission

Fundamental Research Analyst

Old Mission Capital · Chicago, IL, US · Posted 2025-04-22 · Experience required

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 te

Python

Quantitative Researcher (Fixed Income)

Old Mission Capital · Chicago, IL, US · Posted 2025-03-24 · Experience required

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 te

PythonR

C++ Software Engineer

Old Mission Capital · London, UK · Posted 2025-03-20 · 7+ years

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 te

PythonC++LinuxGit

Junior Quantitative Researcher (Ph.D.)

Old Mission Capital · Chicago, IL, US · Posted 2024-12-24 · Experience required

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 te

PythonC++

Quantitative FX Trader

Old Mission Capital · Chicago, IL or New York, NY, US · Posted 2024-12-24 · No minimum stated

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 te

PythonSQLExcel

Systematic Equity Trader

Old Mission Capital · New York, NY, US · Posted 2024-12-24 · Experience required

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 te

PythonC++

Bazel Engineer

Old Mission Capital · Chicago, IL, US · Posted 2024-12-05 · 5+ years

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 te

C++KubernetesDockerCI/CDJenkinsGit

Quantitative Researcher (ETFs)

Old Mission Capital · Chicago, IL, US · Posted 2024-09-25 · 5+ years

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 te

PythonJavaR

Quantitative Trader (Options)

Old Mission Capital · Chicago, IL, US · Posted 2024-08-14 · 1-4 years

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 te

QuantitativeTraderOptionstradingmissionliquiditypaidnbsp

C++ Software Engineer

Old Mission Capital · Chicago, IL, US · Posted 2023-05-08 · 2+ years

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 te

PythonC++LinuxGit

C++ Software Engineer

Old Mission Capital · New York, NY, US · Posted 2023-05-08 · 5+ years

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 te

PythonC++LinuxGit

Python Software Engineer

Old Mission Capital · Chicago, IL, US · Posted 2023-04-25 · 2+ years

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 te

PythonPostgreSQLMySQLLinux

Quantitative Trader

Old Mission Capital · New York, NY, US · Posted 2022-03-14 · 3+ years

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 te

QuantitativeTradertradingmissionmarketstrategiesnbspportfolio

Quantitative Researcher

Old Mission Capital · New York, NY, US · Posted 2021-11-01 · 3+ years

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 te

PythonJavaC++RubyR

Quantitative Trader

Old Mission Capital · London, UK · Posted 2021-05-04 · 1+ years

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 te

PythonJavaC++RubyR

General Submission

Old Mission Capital · Chicago, IL, US · Posted 2021-04-28 · No minimum stated

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 te

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