Application Support - London

About The Role

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.

About You

• Strong knowledge of FIX Protocol, including FIX session management, troubleshooting, and client onboarding.
• Experience supporting Cash Equities Trading environments.
• Experience supporting OMS (Order Management Systems) and EMS (Execution Management Systems).
• Strong SQL skills for data analysis, troubleshooting, and investigation.
• Experience working in Unix/Linux environments, including command-line administration and shell scripting.
• Understanding of front-office trading workflows and the lifecycle of equity orders and trades.
• Experience working within a production support or application support function.
• Strong analytical and problem-solving skills with the ability to work under pressure in a business-critical environment.

About Us

FDM is an award-winning global leader in tech and business talent solutions, backed by more than 35 years of industry experience. We have centres across Europe, North America, and Asia-Pacific, and a global workforce of over 2500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer, currently listed on the FTSE4Good Index and as a 2026 Financial Times UK 'Best Employer'.

Why join us

• Career coaching, mentoring and access to upskilling throughout your entire FDM career
• Assignments with global companies and opportunities to work abroad
• Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field
• Annual leave and work-place pension