Legal Intern - Summer 2027

Old Mission is recruiting for Legal Intern - Summer 2027 in Chicago, IL, United States. This listing was last seen on the firm's own job board on August 22, 2026.

A mid-sized Chicago market maker with a practical interview and less emphasis on pedigree.

What sets Old Mission apart: Markets and instrument knowledge weighted above abstract puzzles. Smaller firm, so juniors touch live risk sooner. ETF and fixed income market making rather than equities alone.

The role, as Old Mission describes it, published on August 10, 2026 and reproduced from their job board:

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.

About This Role

Old Mission is a global proprietary trading firm that uses cutting-edge technology and research to identify and execute profitable trading strategies across asset classes worldwide, with offices in Chicago, New York, and London.

This 2027 summer internship gives a law student real junior-attorney-level work inside a financial services legal department. You'll work alongside experienced counsel on active matters, get regular feedback, and gain hands-on exposure to the corporate, commercial, and regulatory issues facing a prop trading firm regulated by the SEC, FINRA, CFTC, and FCA.

What You'll Do

Review and assist with the firm's commercial agreements and vendor contracts

Maintain the firm's contract lifecycle management system

Assist with entity formation, foreign qualification, and related corporate governance filings

Conduct legal and regulatory research and prepare written summaries

Draft corporate documents, agreements, policies, and notices

Assist with ongoing regulatory compliance matters

Maintain research and regulatory reference materials for the legal team