Quant Jobs › Old Mission Capital careersOld Mission Capital careers
Every open role at Old Mission Capital, from its own careers pages, with its internships and the pay its postings disclose. Updated daily. Compare all firms hiring
Type Prop trading & market making
Old Mission Capital internships 3 open internships, 3 for 2027.
All 38 open roles Newest first. Each role links to its details and the firm's apply page.
Title ↕ Role ↕ Location ↕ Seniority ↕ Salary ↕ Languages ↕ Posted ▼ Associate Head of Trader Education Quant Trading Chicago Senior $188k Python 9 Oct 2026 ETF Sales Trader Sales & Trading London Mid 9 Oct 2026 Fundamental Research Analyst Portfolio Mgmt Chicago Senior $185k Python 1 Oct 2026 Quantitative Trader - 2027 Micro-Internship Program (January Start) Quant Trading Chicago Intern Python 1 Oct 2026 Senior Python Software Engineer Software Eng New York Mid $188k Python 21 Sep 2026 C++ Software Engineer - Research Infrastructure Software Eng Chicago Mid $238k C++, Python 18 Sep 2026 Floor Trader - 2027 Graduate Program (August Start) Quant Trading Chicago Junior $90k 16 Sep 2026 Junior Trading Operations/DevOps Engineer Software Eng Chicago Junior $175k Python 8 Sep 2026 Fundamental Research Analyst - 2027 Graduate Program - (August Start) Quant Research Chicago Junior $125k 2 Sep 2026 Senior Software Engineer - Post Trade Software Eng Chicago Senior $225k Python, C++ 26 Aug 2026 Legal Intern - Summer 2027 Compliance Chicago Intern 10 Aug 2026 Quantitative Researcher (Ph.D.) - 2027 Graduate Program - (August Start) Quant Research Chicago Junior $213k Python, C++ 30 Jul 2026 Junior Quantitative Researcher (Ph.D.) Quant Research Chicago Junior Python, C++ 21 Jul 2026 Quantitative Researcher (Experienced - Ph.D.) Quant Research Chicago Junior Python, C++ 21 Jul 2026 Software Engineer – 2027 Internship Program (June Start) Quant Dev Chicago Intern C++, Python, TypeScript 15 Jul 2026 Quantitative Trader – 2027 Graduate Program (August Start) Quant Trading Chicago, IL or New York Junior $200k Python, C++ 14 Jul 2026 Quantitative Trader – 2027 Graduate Program (August Start) Quant Trading London Junior Python, C++, VBA 14 Jul 2026 Quantitative Trader – 2027 Graduate Program (February Start) Quant Trading Chicago, IL or New York Junior $200k Python, C++ 14 Jul 2026 Software Engineer – 2027 Graduate Program (August Start) Quant Dev Chicago Junior $188k C++, Python, SQL 14 Jul 2026 Python Software Engineer Software Eng London Mid Python 9 Jul 2026 Operations Analyst Operations London Mid Python, SQL, VBA 8 Jul 2026 Tax Manager/Senior Tax Manager Operations Chicago Senior 2 Jul 2026 Fundamental Research Analyst (Asian Market Hours) Portfolio Mgmt Chicago Mid $175k Python 30 Jun 2026 Quantitative Trader Quant Trading London Junior Python, C++, Java 5 Jun 2026 C++ Software Engineer HFT Systems Chicago Mid $238k C++, Python 26 May 2026 C++ Software Engineer HFT Systems New York Senior $238k C++, Python 26 May 2026 General Submission Other Chicago Mid 26 May 2026 Junior Quantitative Trader (Asian Market Hours) Quant Trading Chicago Mid Python, C++, Java 26 May 2026 Python Software Engineer Software Eng Chicago Mid $188k Python 26 May 2026 Quantitative FX Trader Quant Trading Chicago, IL or New York Senior Python, SQL 26 May 2026 Quantitative Researcher Quant Research New York Senior $235k C++, Python, R 26 May 2026 Quantitative Researcher (ETFs) Quant Research Chicago Senior Python, Java, R 26 May 2026 Quantitative Researcher (Fixed Income) Quant Research Chicago Mid Python, VBA, R 26 May 2026 Quantitative Researcher (Systematic Equities) Quant Research New York Senior Python 26 May 2026 Quantitative Trader Quant Trading New York Mid 26 May 2026 Quantitative Trader (Options) Quant Trading Chicago Mid $175k Python, C++, Java 26 May 2026 Systematic Equity Options Trader Quant Trading Chicago Senior Python, C++ 26 May 2026 Systematic Equity Trader Quant Trading New York Mid Python, C++ 26 May 2026