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Trading 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

Do you love solving technical problems in fast-paced and constantly-changing trading environments? Old Mission is seeking a well-rounded technologist with core strengths in trading systems production support, to manage and scale our environment comprising proprietary trading systems, third-party, and open-source applications. This Trading Support Engineer will be on the front lines of a fast-paced trading environment, interfacing with traders, exchanges, developers, and operations to react to real-time issues, collaboratively troubleshoot problems, and implement tactical and strategic solutions. They will own the deployment, maintenance, and enhancement of our production trading environments, and will drive enhancements of production procedures through automation and tooling.

Responsibilities
  • Deploy, run, and monitor all applications
  • Daily operational tasks supporting the production trading systems, user issues, and requests
  • Effectively collaborating with our traders, developers, and other teams to meet Old Mission's technology needs
  • Coordinate, prioritize, and plan the necessary changes
  • Automate processes using Python and bash scripting
  • Develop automation for system configuration and deployment
Required Skills
  • An undergraduate or an advanced degree in a quantitative field such as Computer Science, Engineering or one of the hard sciences.
  • Fluent in Bash and experience working in a Linux environment.
  • 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.
  • 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 2025-06-30

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