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Old Mission Capital jobs

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

Associate Head of Trader Education

Old Mission Capital · Chicago, IL, US · Posted 2026-08-12 · 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

Python

Legal Intern - Summer 2027

Old Mission Capital · Chicago, IL, US · Posted 2026-08-10

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

LegalSummermissionfirmtradingregulatoryresearchfinancial

Compliance Analyst Co-Op

Old Mission Capital · Chicago, IL, US · Posted 2026-08-05

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

ComplianceAnalystCo-Optradingmissionfirmresearchchicago

Quantitative Researcher (Ph.D.) - 2027 Graduate Program - (August Start)

Old Mission Capital · Chicago, IL, US · Posted 2026-07-30

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

QuantitativeResearcherPh.DGraduateProgramAugustoptionspricing

Senior Compensation Manager

Old Mission Capital · Chicago, IL, US · Posted 2026-07-28 · 8+ 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

Compensationfirmfromconversationsmissionstrategytotalrewards

Software Engineer – 2027 Internship Program (June Start)

Old Mission Capital · Chicago, IL, US · Posted 2026-07-15

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

SoftwareEngineerProgramJuneStartfirmmissionengineers

Quantitative Trader – 2027 Graduate Program (August Start)

Old Mission Capital · IL Or New York, NY, US · Posted 2026-07-13

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

QuantitativeTraderGraduateProgramAugustStartmissionenvironment

Quantitative Trader – 2027 Graduate Program (August Start)

Old Mission Capital · London, UK · Posted 2026-07-13

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

QuantitativeTraderGraduateProgramAugustStartmissionenvironment

Quantitative Trader – 2027 Graduate Program (February Start)

Old Mission Capital · IL Or New York, NY, US · Posted 2026-07-13

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

QuantitativeTraderGraduateProgramFebruaryStartmissionenvironment

Software Engineer – 2027 Graduate Program (August Start)

Old Mission Capital · Chicago, IL, US · Posted 2026-07-13

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

SoftwareEngineerGraduateProgramAugustStartmissionfirm

Tax Manager/Senior Tax Manager

Old Mission Capital · Chicago, IL, US · Posted 2026-07-02 · 8+ 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

Taxfirmresearchcomplianceinternationalmissionworkpapersu.s

Fundamental Research Analyst (Asian Market Hours)

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

Python

Senior Python Software Engineer

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

Python

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

Python

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

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

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

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 · 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

Quantitative Researcher (Fixed Income)

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

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

C++

Junior Quantitative Researcher (Ph.D.)

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

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 · IL Or New York, NY, US · Posted 2024-12-24

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

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

QuantitativeTraderOptionstradingmissionliquiditypaidsearch

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

C++

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

C++

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

Python

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

QuantitativeTradertradingmissionmarketstrategiesportfolioensure

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

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

GeneralSubmissionmissionindividualsfromsearchtradingfirm