Job Description
Location: London (On-site, 5 days per week)
Role Overview
Talan is seeking an experienced Application Support Engineer to join a high-performing global team supporting the eTrading environment for a leading investment banking client.
Operating within a Production & Application Support function, this role sits at the heart of front-office trading technology, ensuring the stability, performance, and continuous improvement of critical electronic trading platforms.
You will work in a complex, low-latency environment supporting high-volume trading flows, interacting closely with trading desks, development teams, and infrastructure specialists across a global follow-the-sun support model.
Key Responsibilities
-
Oversee day-to-day production support activities, including monitoring, incident management, and capacity planning
-
Act as a key point of contact for issue resolution, liaising with traders, developers, infrastructure teams, and external vendors
-
Take ownership of assigned applications and platforms, developing deep technical expertise
-
Support and enhance electronic trading systems, including pricing engines, algorithmic trading components, and STP workflows
-
Manage connectivity to external trading venues (e.g. exchanges, ECNs, market data providers)
-
Contribute to system design improvements, focusing on resilience, scalability, and performance optimisation
-
Coordinate release and change management activities, ensuring robust deployment processes
-
Participate in a shift-based rota (7am–6pm coverage) and on-call support, including occasional weekend work
-
Collaborate with global teams across Europe, North America, and Asia within a follow-the-sun support model
-
Continuously improve documentation, monitoring, and operational processes
Required Skills & Experience
Desirable Skills
-
Experience with ION trading platforms or similar vendor systems
-
Knowledge of multicast messaging and low-latency trading architectures
-
Monitoring tools such as Geneos or Zabbix
-
Experience with Splunk or similar log analytics platforms
-
OS performance tuning and optimisation
Additional Information
#TalanUK
