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Old Mission entry level jobs & internships

9 open in the US

About Old Mission

Old Mission Capital is a global quantitative trading firm and market maker headquartered in Chicago. Founded in 2008, the company specializes in providing liquidity across equities, ETFs, options, and futures using advanced technology and systematic trading strategies. Old Mission is widely recognized as a leading ETF market maker, partnering with exchanges, issuers, and institutional clients to support efficient and resilient markets.

The firm's mission centers on combining rigorous quantitative research, engineering excellence, and deep market expertise to deliver reliable liquidity and competitive pricing. With a compact, highly skilled team of traders, developers, and researchers, Old Mission maintains a strong reputation for innovation and adaptability in the fast-evolving electronic trading landscape. The company operates across major global markets and continues to expand its footprint in the financial services industry.

Open roles (9)

Old Mission • Chicago, IL

Full time
Internship
  • Python
  • statistics
  • Probability
  • Quantitative research
  • Trading Strategies

8 hours ago

Old Mission • Chicago, IL

Full time
Entry level
  • SQL
  • Algorithms
  • C++
  • Data Structures
  • Python
  • JavaScript
  • +2 more

$175k – $200k / year

5 days ago

Old Mission • Chicago, IL · New York

Full time
Entry level
  • C++
  • Python

$200k – $200k / year

5 days ago

Old Mission • Chicago, IL · New York

Full time
Entry level
  • C++
  • Python

$200k – $200k / year

5 days ago

Old Mission • Chicago, IL

Full time
Internship
  • Regulatory Compliance
  • MS office
  • Legal research
  • Contract Management
  • Corporate Governance

$30 – $35 / hour

5 days ago

Old Mission • Chicago, IL

0–2 years
Full time
Entry levelExperienced
  • Python
  • Networking
  • Linux
  • DevOps
  • Troubleshooting
  • Monitoring
  • +2 more

$150k – $200k / year

5 days ago

Old Mission • Chicago, IL

Full time
Entry level
  • Data Analysis
  • Programming
  • Quantitative research
  • Financial Modeling
  • Securities Analysis
  • Macroeconomic Research

$125k – $125k / year

5 days ago

Old Mission • Chicago, IL

Full time
Entry level

$80k – $100k / year

5 days ago