
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.
Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm’s growth.
About the Position
Old Mission is seeking two motivated interns — an Accounting & Accounts Payable Intern and a Tax Intern — to join our team in Chicago for the summer, with the potential to continue on a part-time basis during the school year. Reporting directly to our firm's Controller and Director of Tax, you will gain meaningful, hands-on exposure to accounting and tax operations at a fast-paced trading firm, including invoice processing, general ledger entries, VAT and use tax compliance, month-end close, and cost allocations across our trading centers.
This is a high-impact role where your ideas will matter, and the processes you help shape will have a global footprint. If you are intellectually curious, detail-oriented, and eager to learn how accounting and tax functions operate within a sophisticated financial firm, we encourage you to apply.
Responsibilities
Accounts Payable & General Accounting
VAT & Use Tax Compliance
Required Skills
Nice to Have
Program Details
Pay Range
$30/hr. ($62,400 annually based on a 40-hour work week). Compensation is determined based on experience, skills, and qualifications relative to role requirements. This position is classified as non-exempt and is eligible for overtime pay in accordance with the Fair Labor Standards Act and Illinois state wage and hour law.
Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.

Old Mission is a global, multi-asset market maker. We specialize in valuing individual securities and complicated derivatives at the speed of modern markets. Our advanced market-making platform allows us to collaborate seamlessly with the world’s largest exchanges, brokers, and institutional investors, providing them with a trusted partner for efficient risk transfer across a diverse range of securities worldwide.