Provides real-time, client-facing support for an electronic algorithmic execution platform across equities and listed options. Responsibilities include resolving technical and functional issues, coordinating with technology and engineering teams, advising clients on algorithmic strategies and best execution, and supporting FIX connectivity with exchanges and execution venues. The role requires expertise in options trading, risk management, market structure, transaction cost analysis, and execution quality metrics, plus familiarity with Python, AWS, or Snowflake.