Full-Time · Quantitative Development
Junior Trading Operations/DevOps Engineer
Old Mission · Chicago, IL, United States · $150,000 - $200,000 · Posted Sep 8, 2026
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 is looking for a Junior Trading Ops/DevOps Engineer to join our growing team in Chicago. You'd work within the technology landscape safeguarding the performance and stability of proprietary trading systems and related hardware, with direct ownership of technical issues in in-house trading applications. The role blends SRE, Operations Engineer, and DevOps Engineer responsibilities. Deploy, run, and monitor production latency-sensitive trading applications Automate trading infrastructure/application management in Python Triage and resolve live incidents in a fast-paced trading environment Create and integrate monitoring and alerting Work with Linux, network, and datacenter engineers to troubleshoot issues and optimize trading performance Assist with rollout of new products, systems, and exchanges Conduct user acceptance testing across internal trading application stacks Review incidents for recurring themes and feed technical requirements back into the development cycle
Requirements
- Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline
- 0-2 years of relevant work experience
- Strong programming ability
- High proficiency in Python on Linux Platforms
- Networking knowledge/interest is a plus
- Strong troubleshooting instincts and root-cause discipline
- Curiosity and eagerness to learn how systems fit together
- Ability to work under pressure and with frequent interruption
- Strong teamwork and collaboration ability