Application Support Engineer

Beschreibung:

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
* 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++, or .NET
* 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