ETF Trading Technical Support Engineer

Old Mission
London
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 Capital is seeking a well-rounded technologist with core strengths in Python, SQL, and Linux. Each morning our team of Technical Support Engineers is responsible for bringing up the firm's ETF trading software and ensuring all data is correct and ready for production trading. Throughout the day they work closely with traders to answer topical questions using data, provide Tier 1 and Tier 2 support for trading technology, and contribute refinements to our codebase to continuously improve and automate our operations. They also work directly with Software Engineers to develop new tools and workflows to achieve 100% uptime and best-in-class technology.

Responsibilities
  • Use in-house software, Python, and SQL to verify our ETL pipelines have produced correct pricing data each morning before the market opens.
  • Bring up our ETF pricing software and provide Tier 1 and Tier 2 support for operational trading issues.
  • Continuously improve existing operational procedures, scripts, and workflows.
  • Contribute new tools by effectively collaborating with traders, developers, and other teams to meet the Firm's technology needs.
  • Must be able to provide onsite support between the hours of 6:00am - 3:00pm, Monday - Friday.
Required Skills
  • An undergraduate or an advanced degree in a quantitative field such as Computer Science, Engineering or one of the hard sciences.
  • 2+ years of Python experience, including Pandas and familiarity with object-oriented design.
  • 2+ years SQL experience. Ideally PostgreSQL, but any variant of the standard SQL query language will suffice.
  • Basic working knowledge of Bash and familiarity working in a Linux environment.
  • Punctuality and attention to detail.
  • Strong analytical and problem solving skills.
  • Excellent communication skills, both written and verbal.
  • Ability to prioritize and multi-task in a fast-paced environment.
Benefits and Perks
  • Competitive salary with discretionary annual bonus
  • Fully paid private medical, dental, vision with extended coverage, and life insurance
  • Robust Pension Scheme, income protection, and salary exchange
  • Free on-site lunch daily
  • Season Ticket Loan Scheme
  • Tuition Reimbursement Program
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.
Posted 2025-06-15

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