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Talan
Application Support EngineerTalan • London, England, UK
Application Support Engineer

Application Support Engineer

Talan • London, England, UK
30+ days ago
Job type
  • Full-time
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 (7am6pm 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

  • Strong experience in Application Support within electronic trading or capital markets environments
  • Solid expertise across Linux and Windows server environments

  • Experienced within Wintel Engineering

  • Good understanding of market connectivity networking and infrastructure (firewalls multicast latency considerations)
  • Ability to analyse system performance across CPU memory network and messaging layers
  • Proficiency in scripting and automation (e.g. Python Shell PowerShell SQL)
  • Experience with CI/CD and deployment tools (e.g. Jenkins Ansible Artifactory)
  • Familiarity with application stacks involving Java C
  • Strong stakeholder engagement skills with the ability to operate in a front-office facing role
  • Proven ability to manage incidents and deliver improvements in high-pressure environments

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


Remote Work :

No


Employment Type :

Full-time


Experience: years
Vacancy: 1
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Application Support Engineer • London, England, UK

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