FIX Onboarding and Support Engineer

Clear Street; London; On-site; GBP 60,000 - 100,000; Full time

Job summary

An innovative firm is seeking a FIX Onboarding and Support Engineer to enhance their brokerage ecosystem. In this role, you'll collaborate with sales and trading desks to provide exceptional support and onboarding for FIX clients across diverse asset classes. Your technical skills will be vital in automating tasks, analyzing logs, and implementing application changes. Join a dynamic team dedicated to quality and innovation, where your contributions will drive impactful improvements in a collaborative environment. This is an exciting opportunity to be part of a modern financial services firm that values diversity and creativity.

Benefits

Competitive Compensation

Equity

Pension

Parental Leave

Comprehensive Health Insurance

Qualifications

• 5+ years of experience in front office application support.
• Proficient in scripting and database management.
• Knowledgeable in FIX and native protocols.

Responsibilities

• Provide high-touch user support across EMEA and US markets.
• Onboard FIX clients and manage trading systems configuration.
• Analyze application logs and automate repetitive tasks.

Skills

Client Onboarding

Application Support

Scripting (PowerShell, Python, Bash)

Database Proficiency

FIX Protocol Knowledge

Market Data Handling

Tools

Fidessa

UL

TT

Job description

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About Clear Street:

Clear Street is modernising the brokerage ecosystem. Founded in 2018, it is a diversified financial services firm replacing legacy infrastructure used across capital markets. The company has built a cloud-native clearing and custody system for today’s complex, global markets, focusing on efficiency, risk minimization, and cost reduction. Our goal is to create a comprehensive platform for all asset classes, countries, and currencies.

The Role

As a FIX Onboarding Engineer and Application Support at Clear Street, you will be part of a dedicated team working closely with sales, trading desks, and software engineers to provide end-to-end FIX onboarding and support across front, middle, and back-office systems. This role suits technically inclined support and onboarding professionals eager to delve into issues, coding, and impactful improvements.

You Will:

• Provide high-touch user support to sales and trading desks across EMEA and US markets.
• Onboard FIX clients across all asset classes.
• Support trading platforms on various OS environments, including high/low touch trading, algorithmic trading, exchange/FIX connectivity, and middle office bookings.
• Manage trading systems configuration in production and UAT environments.
• Analyze application logs, code bases, OS, and network to identify root causes and workarounds.
• Automate repetitive tasks and identify process improvements.
• Develop scripts, SQL queries, and implement application changes.
• Coordinate with internal teams, clients, and vendors.
• Work flexible hours, including weekends and evenings.
• Maintain high attention to detail and quality service.
• Prioritize multiple tasks effectively.

Requirements:

• Minimum five years of experience in high-pressure environments, preferably in front office application support with tight deadlines.
• Experience with client onboarding and supporting vendor platforms like Fidessa, UL, TT; knowledge of Equities, Futures, Commodities, FX assets.
• Knowledge of transfer protocols such as FIX and native protocols.
• Experience with PowerShell, Python, Bash, or Shell scripting.
• Proficiency with relational and non-relational databases, including data querying and exploration.
• Knowledge of execution feeds, market data handling, and algorithmic trading is a plus.

The Team

You will collaborate with talented professionals committed to innovation and quality. We value diversity, creativity, and strong work ethics, supporting your growth with the latest technologies and a collaborative environment.

We Offer:

Competitive compensation, equity, pension, parental leave, and comprehensive health insurance. We require in-office presence at least three days a week to foster collaboration. We are dedicated to a diverse, inclusive, and high-performance workplace.