Engine optimisation specialists Work, Jobs in London, Eng (with Salaries)

Application Support Engineer
Talan —London
- Weekend availability
- Java
- SQL
- C++
Quick apply
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Quick apply
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- Weekend availability
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- Microsoft Powerpoint
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- £35,270 - £41,770 a year
- Hybrid work
- Microsoft Powerpoint
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- Life insurance
Quick apply
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- Full-time
- Hybrid work
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- Annual leave
- Employee discount
Quick apply
SME COLLATERAL - ID 137
Skillfinder International —London
- Remote
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- Hybrid work
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Quick apply
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- Full-time
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LSEG (London Stock Exchange Group) —London
- Full-time
- Oracle
- Computer Science
- Engineering
13d

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Application Support Engineer

Talan -
London

Quick apply

Job details

Full-time

Qualifications

Microsoft Windows Server
Ansible
Software deployment
.NET
Java
SQL
C++
Splunk
Scripting
Linux
Application support
Jenkins
Python
PowerShell

Full job description

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

Quick apply

Refine Your Search

engine optimisation specialists jobs in london, eng

Application Support Engineer

Digital Content & SEO Editor

SEO & AI Search Specialist

Global Performance Marketing Manager

Senior Marketing Executive (Campaigns)

Deputy Audience Editor

Content Marketing Specialist

Senior Software Engineer

Operations Specialist (12-Month FTC)

Global Marketing Senior Director – Content Discoverability

Senior Specialist, Strategic Partnerships

SEO Senior Account Manager

Senior Software Engineer (Java)

Paid Media Manager (Japanese/Korean/Chinese Speaking)

Head of Social Media

SME COLLATERAL - ID 137

SEO/GEO Account Director 6M FTC

Foundation Pharmacist-ON CALL

Tax and Finance Transformation and Technology – Manager

Data Engineering Lead

I want to receive the latest job alerts for engine optimisation specialists in london, eng

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