Senior Application Support

Posted 5 Hours Ago
Be an Early Applicant
London, Greater London, England, GBR
In-Office
Senior level
Financial Services
The Role
Provide 24/7 application support for trading platforms: resolve production incidents, monitor systems across asset classes, maintain Production and UAT, liaise with development, document systems, support regulatory/reporting needs, identify operational risks, and ensure team training and clear business communications.
Summary Generated by Built In

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 lowlatency 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 highfrequency 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 customerservice mindset with excellent communication skills.

Skills Required

  • 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.
  • 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.
  • Strong customer-service mindset with excellent communication skills.
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The Company
HQ: New York, NY
1,857 Employees
Year Founded: 1945

What We Do

Cantor Fitzgerald is a leading global financial services firm, serving clients from over 30 offices around the world. Founded in 1945 as a securities brokerage and investment bank, the firm pioneered computer-based bond trading, built one of the broadest distribution networks in the industry and became the market’s premier dealer of government securities. Today, Cantor Fitzgerald is known for its strength across a diverse array of businesses, including equity and fixed income capital markets, investment banking, commercial real estate finance and services, prime brokerage, asset management and wealth management, and e-commerce and online ventures. In all its businesses, the firm is an acknowledged leader in developing advanced technologies to expand market access, and help clients achieve their most important financial and strategic objectives. This commitment to client-centered innovation has led to enduring relationships with many of the world’s most demanding institutional investors and corporations. For more information please visit www.cantor.com.

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