Talan
Electronic Trading Application Support Engineer
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Job Description
Location: London, UK
Employment Type: Permanent
On-Prem: 5 days per week
The Role
As an Electronic Trading Application Support Engineer, you will join a global Production Support team responsible for supporting a highly available electronic trading ecosystem across Rates and Credit markets.
You will work closely with traders, quantitative development teams, infrastructure engineers, architects, and third-party vendors to ensure the stability, performance, and availability of critical trading systems operating across multiple global locations.
The environment consists of Windows and Linux servers supporting pricing platforms, algorithmic trading components, STP workflows, market connectivity solutions, and low-latency trading infrastructure.
This role operates within a global follow-the-sun support model, collaborating with teams across London, New York, Montreal, Singapore, and Mumbai.
Key Responsibilities
Production Support & Operations
- Provide day-to-day production support for business-critical electronic trading platforms.
- Monitor platform health, performance, capacity, and availability across multiple environments.
- Investigate, manage, and resolve production incidents while minimising impact to trading activities and business users.
- Take ownership of incidents from identification through to resolution and post-incident review.
- Participate in on-call support and out-of-hours maintenance activities on a rota basis.
Platform Engineering & Continuous Improvement
- Contribute to the design, implementation, and optimisation of support and monitoring solutions.
- Drive improvements in platform resiliency, stability, scalability, and performance.
- Identify opportunities for automation and operational efficiency.
- Support platform upgrades, migrations, and infrastructure refresh activities.
- Analyse and optimise system performance including CPU, memory, network, and application-level metrics.
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Change & Release Management
- Plan, coordinate, and execute production releases and system changes.
- Work closely with development teams to ensure smooth deployment of new functionality.
- Coordinate activities with exchanges, ECNs, and third-party vendors where required.
- Ensure all changes are documented, tested, and implemented in accordance with change management processes.
Stakeholder Engagement
- Liaise with traders, business users, developers, infrastructure teams, and external vendors.
- Provide clear communication during incidents and change activities.
- Maintain and improve operational documentation, support procedures, and knowledge repositories.
- Share expertise and mentor junior members of the global support team.
Required Skills & Experience
Technical Skills
- Strong experience supporting business-critical applications within Capital Markets or Electronic Trading environments.
- Excellent Linux and Windows Server administration skills.
- Strong understanding of server, network, and infrastructure technologies.
- Proven experience analysing:
- CPU utilisation
- Memory consumption
- Network performance
- NIC utilisation
- Multicast traffic and market data flows
- Experience with scripting and automation using one or more of:
- Python
- PowerShell
- Shell Scripting
- SQL
- Experience working with DevOps and deployment tooling including:
- Jenkins
- Ansible
- Artifactory
- Good understanding of application technologies including:
- Java
- C++ -.NET
- Experience delivering technical initiatives and small-to-medium scale infrastructure or application projects.
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Desirable Skills
- Experience with ION Trading platforms.
- Knowledge of algorithmic trading systems.
- Multicast messaging expertise.
- Experience tuning Linux or Windows systems for low-latency and high-performance environments.
- Monitoring platforms such as:
- Knowledge of STP processes within Front Office trading environments.
- Understanding of high-availability and disaster recovery architecture.
What We're Looking For
- Strong analytical and troubleshooting skills.
- A proactive and ownership-driven mindset.
- Ability to perform calmly and effectively under pressure.
- Excellent communication and stakeholder management skills.
- Attention to detail and strong organisational abilities.
- Collaborative team player with a continuous improvement mindset.
- Ability to learn complex technologies and business processes quickly.
- Passion for working within fast-paced trading and financial markets environments.
Additional Information
#TalanUK
Contract Type: Permanent contract
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