Senior Application Support

• Resolve production issues quickly and engage additional resources when needed to restore service.
• Prioritise issues effectively based on business impact and urgency.
• Monitor trading platform components across all asset classes and contribute to improving the efficiency of monitoring tools.
• Support and maintain both Production and UAT environments.
• Communicate clearly and professionally with users onsite and remotely.
• Document system components, processes, and future enhancements.
• Work closely with Development teams to ensure smooth handover of new systems and releases to Support.
• Provide clear updates on outages and incidents to the business.
• Support regulatory and reporting requirements.
• Identify operational risks and help close any gaps.

Ensure team members receive required training.

Skills

• BS or MS in Computer Science with 5+ years of relevant experience.
• Strong appetite for learning new technologies and tools.
• Knowledge of FX, UST, or Futures markets.
• Understanding of FIX and/or low - latency protocols (ITCH/OUCH).
• Experience with FIX or FIX onboarding workflows (beneficial but not mandatory).
• Experience with messaging buses (e.g., JMS).
• Previous exposure to electronic or high - frequency trading systems.
• Understanding of STP trade flows.
• Strong networking knowledge with the ability to analyse packet captures.
• Advanced Unix skills (TCP stack tuning, CPU affinity).
• Scripting experience in at least one language.
• Exchange connectivity experience is a plus.
• Strong customer - service mindset with excellent communication skills.

• Job Identification 249453
• Posting Date 07/27/2026, 11:36 AM
• Locations Five Churchill Place, London, Canary Wharf, E14 5HP
  , GB