Senior Application Support

Senior Application Support

Cantor Fitzgerald Securities

London, United Kingdom

Permanent

2026-02-16T07:11:21.173Z

23839595

Full time

Competitive

Job Description

• 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.

Responsibilities & Skills

• 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.

#s1-Gen

{"description": " Job Description Key Responsibilities 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. Responsibilities 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. ", "salary_raw": "Row(double=None, string=None)"}