Production Engineer

Liquidnet; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Liquidnet Europe Limited is seeking a Senior Front Office Support Engineer to lead the Europe Front Office Support team. You will apply expertise in FIX, Linux, Windows Server, DevOps, databases, networking, and cloud tech to ensure platform reliability and performance.

You will drive automation, mentor junior engineers, own complex projects, and coordinate global migrations while focusing on root-cause analysis and preventative improvements across trading platforms.

Qualifications

• Hands-on production support experience within a financial institution (buy-side, sell-side, venue/platform provider).
• Deep application support experience within a Unix/Linux environment.
• Expert working knowledge of FIX protocol and complex debugging of FIX sessions and message flows.
• Strong experience supporting Windows Server environments.
• Advanced experience troubleshooting network problems: firewalls, routing, DNS, load balancers, connectivity.
• Experience with multiple buy-side or sell-side Order Management Systems.
• Strong understanding of international equity market mechanics, flows and settlement.
• Proven ability to lead multiple projects with deadlines.
• Expert-level experience with MSSQL, Oracle and Sybase databases, including complex queries and tuning.
• A natural leader who drives continuous improvement in support functions.

Responsibilities

• Act as technical lead and primary escalation point for complex application support issues, driving root-cause analysis and resolution across the trading platform.
• Lead and mentor junior engineers, fostering technical growth and knowledge transfer.
• Design, implement, and maintain automation solutions to streamline workflows and improve operational efficiency.
• Own and drive projects including new feature implementations, client migrations, and cloud migration initiatives.
• Fulfil and oversee complex client customisation requests within algorithmic trading systems and MTF platform.
• Manage and optimise team processes to ensure SLA adherence.
• Perform advanced troubleshooting and analysis of order routing, trade flow, and post-trade issues.
• Lead the 'follow the sun' support model with global teams in APAC and US.
• Drive incident management, trend analysis, and post-mortems; collaborate with dev teams for platform improvements.
• Occasional weekend work during major upgrades and out-of-hours testing.

Skills

FIX protocol

Linux

Windows Server

DevOps

Databases (SQL, Oracle, Sybase)

Networking

Cloud tech (AWS/Azure/GCP)

SRE practices

Trading platform know-how

Tools

Docker

Kubernetes

Solace/Kafka

Job description

Group Overview

The TP ICAP Group is a world leading provider of market infrastructure.

Group Overview

The TP ICAP Group is a world leading provider of market infrastructure.

Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.

Through our people and technology, we connect clients to superior liquidity and data solutions.

The Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world’s leading provider of OTC data, and an award winning all-to-all trading platform.

The Group operates from more than 60 offices in 27 countries. We are 5,300 people strong. We work as one to achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist.

Liquidnet

Liquidnet is a next-generation agency execution specialist. Powered by technology that helps drive institutional alpha, our trading and liquidity network intelligently and securely connects the world’s investors with the world’s investments.

Established in 1999 on the belief that there was a better way to trade, Liquidnet' journey began with a vision to create a platform that goes beyond traditional transactional models.

We wanted to build a community where traders could connect, collaborate, and execute trades with confidence. Over the years, we've grown from a vision into a thriving ecosystem that empowers the buy side in ways never before imagined.

We are committed to making trading more efficient, intelligent, and accessible. Our purpose guides every decision we make, from the tools we develop to the relationships we nurture with our Members.

Role Overview

Liquidnet Europe Limited is looking for a Senior Front Office Support Engineer to take a leading role within the Europe Front Office Support team. The team requires an experienced, technically strong engineer who can drive operational excellence, mentor junior team members, and take ownership of complex issues across our trading platform.

You will leverage deep expertise in FIX, Linux, Windows Server, DevOps, databases, networking, and cloud technologies to ensure platform reliability and performance.

This is a hands-on leadership role involving complex troubleshooting across cross-platform market-leading technologies, driving automation and tooling improvements, and acting as the primary escalation point for critical production issues. You will lead projects, drive new feature implementations, oversee client migrations, and champion Liquidnet's migration to cloud-based technologies.

The role also includes oversight of member user administration, OMS integration support, and trade lifecycle issues for both the MTF platform and trading desk, with a focus on root-cause analysis and preventative improvements.

The successful candidate should possess a positive 'can-do' attitude and an intuitively high level of customer service in their approach. This will complement strong FIX, database (SQL, Sybase or Oracle), Linux, understanding of cloud-based technologies, Windows and Networking troubleshooting skills, along with a proven ability to lead and mentor.

Role Responsibilities

• Act as technical lead and primary escalation point for complex application support issues, driving root-cause analysis and resolution across the trading platform
• Lead and mentor junior engineers, fostering technical growth and ensuring knowledge transfer within the team
• Design, implement, and maintain automation solutions to streamline workflows, reduce manual effort, and improve operational efficiency across key business processes
• Own and drive projects including new feature implementations, client migrations, and cloud migration initiatives
• Fulfil and oversee complex client customisation requests within algorithmic trading systems and MTF platform
• Manage and optimise team processes including chat, queue, and mailbox workflows to ensure SLA adherence
• Perform advanced troubleshooting and analysis of order routing, trade flow, and post-trade issues
• Lead the 'follow the sun' support model coordination, working closely with global teams in APAC and US
• Drive incident management practices, trend identification, and post-mortem analysis. Collaborate with development teams to influence platform improvements based on support insights
• Occasional weekend work will be required during major upgrades and out of hours testing

Experience / Competences

Essential

• Hands-on production support experience within a financial institution (buy-side, sell-side, venue/platform provider)
• Deep application support experience within a Unix / Linux environment
• Expert working knowledge of the FIX protocol, including complex debugging of FIX sessions and message flows
• Strong experience supporting and troubleshooting Windows Server environments
• Advanced experience in troubleshooting network problems: firewalls, routing, DNS, load balancers, and connectivity issues
• Working knowledge of multiple buy-side or sell-side Order Management Systems
• Strong understanding of international equity market mechanics, flows, and settlement processes
• Proven ability to lead multiple projects simultaneously, delivering to deadlines
• Expert-level experience with MSSQL, Oracle and Sybase database environments, including complex query-writing and performance tuning
• A natural leader who relishes the prospect of supporting an expanding business and driving continuous improvement in support functions
• Motivated self-starter who takes ownership of responsibilities and can work autonomously, setting the standard for the team
• Ability to confidently communicate at all stakeholder levels (technical, client, trader, executive team) and influence decision-making
• Passionate about customer satisfaction and service excellence
• Excellent organisational skills with the ability to prioritise under pressure
• Disciplined approach towards Service Level Agreement adherence and minimising Mean Time to Resolve (MTTR)
• Willing to embrace core business values demonstrated by day-to-day work ethic
• Analytical and disciplined approach to problem-solving, with a focus on prevention over reaction
• Must be a team player who actively participates in projects, mentors others, and collaborates across departments
• Must be flexible in relation to working hours
• Positive approach to the day-to-day, with the resilience to handle high-pressure production incidents

Desired

• Experience with Site Reliability Engineering (SRE) practices, including monitoring, incident response, and post-mortem analysis
• Proven experience applying AI or machine-learning models to optimise workflows, identify patterns, and drive intelligent automation solutions
• Hands-on experience with containerization technologies such as Docker and Kubernetes, including cluster management, deployment, scaling, and observability
• Deep practical knowledge of algorithmic trading workflows, including the behaviour, lifecycle, and risk controls of execution algos used across the EMEA markets
• Experience designing and supporting message-based architectures (Solace, Kafka, or similar)
• Practical understanding of global Listed Derivatives markets and system workflows
• Proven experience managing cloud-based infrastructure and services (AWS, Azure, or GCP), including architecture design and cost optimisation
• Strong understanding of DevOps principles and practices, including CI/CD pipelines, infrastructure as code (IaC), and automated testing
• Experience with industry-standard monitoring tools (ITRS or similar) including configuration and alert design
• Advanced automation experience using Python, PERL, or similar scripting languages, including building tooling for the wider team
• Understanding of financial regulations and reporting requirements in EMEA and Asia cash equity markets
• Experience mentoring and developing junior team members

Job Band & Level

• Professional / 5

Company Statement

We know that the best innovation happens when diverse people with different perspectives and skills work together in an inclusive atmosphere. That's why we're building a culture where everyone plays a part in making people feel welcome, ready and willing to contribute. TP ICAP Accord - our Employee Network - is a central to this. As well as representing specific groups, TP ICAP Accord helps increase awareness, collaboration, shares best practice, and holds our firm to account for driving continuous cultural improvement.

Location

UK - 135 Bishopsgate - London