FIX Onboarding Analyst in Slough

A leading quantitative brokerage in the capital markets spare are currently seeking a technical, detail-oriented FIX Onboarding Analyst to support onboarding of institutional counterparties in the derivatives / best execution space.

I you are hired you will manage FIX connectivity, certification, and trade-flow integration while working closely with quants, brokers, developers, and operations. The role requires deep knowledge of FIX protocol, derivatives workflows, and best execution obligations.

Key Responsibilities;

• Own the full onboarding lifecycle in a client- and venue-facing capacity, engaging with brokers, ECNs, ATSs, and exchanges.
• Manage FIX certification: schemas, mappings, test plans, and cutover.
• Troubleshoot connectivity, latency, sequencing, and messaging issues.
• Maintain a counterparty library of FIX versions, dialects, and extensions.
• Ensure compliance with regulatory, risk, and legal requirements.
• Drive automation and process improvements in onboarding workflows.

Required Skills & Experience

• 3–7+ years in electronic trading / FIX onboarding (derivatives preferred).
• Strong experience with FIX protocol systems
• Familiarity with TCP/IP, VPNs, and basic network troubleshooting
• Linux/bash, XML, and SQL or similar tech stack experience
• Excellent communication & project coordination skills
• Ability to read logs, follow specs, and keep organized records
• Familiarity with GitHub or other versions a bonus

Desired Skills & Experience

• Derivatives trading experience (OTC, cleared).
• Knowledge of futures and cash treasuries markets
• Experience with OMS/EMS, broker onboarding, or exchange UAT

Compensation & Benefits

• Competitive salary + bonus.
• Health, retirement, and PTO benefits.
• Professional development and industry conference participation.
• Opportunity to work on cutting-edge trading infrastructure.
• Three days in office requirement.