Application Support (FIX Specialist)- London

We are seeking an Application Support Analyst to join a team responsible for the complete front-office application support function for Equities Trading. The role will focus on supporting OMS/EMS platforms, managing trade flow issues, onboarding FIX clients, and providing technical support to trading desks, business users, and external clients. This is initially a 12 month contract with the potential to extend and will be a Fully office based role that will be based in London.

This is a hands-on support role requiring strong FIX Protocol knowledge, experience supporting electronic trading applications, and the ability to troubleshoot across multiple technologies in a fast-paced trading environment.

Responsibilities:

• Provide front-office application support for equities trading platforms and related applications.
• Support and troubleshoot OMS/EMS systems, ensuring smooth order and trade flow processing.
• Manage FIX connectivity issues, client onboarding, certification, and production support activities.
• Investigate and resolve application, trade, and market connectivity incidents.
• Work closely with traders, sales traders, operations teams, technology teams, and external clients.
• Perform root cause analysis and drive improvements to system stability and performance.
• Monitor production systems and proactively identify potential issues.
• Support release deployments and participate in change management activities.
• Create and maintain operational runbooks, support documentation, and procedures.