Production Support Engineer | Site Reliability Engineer – Market Making London | £200,000 – £300,000 (base performance bonus) | 4 days in office We’re partnering with a leading market making firm seeking a highly skilled Production Support Engineer to join their London team. This is a hands-on role at the heart of a fast-paced trading environment, blending operational expertise with technical precision to ensure seamless trading execution and reliable market data delivery. Key Responsibilities Oversee and validate ETL pipelines to ensure accurate and timely pricing data using Python and SQL Bring trading systems online and provide Tier 1 and Tier 2 operational support across trading sessions Streamline, automate, and enhance operational workflows and scripts to improve efficiency and reliability Collaborate closely with traders, quants, and developers to design new tools and refine existing systems Required Skills & Experience Strong Python programming skills, including data analysis with Pandas Advanced SQL proficiency (PostgreSQL or equivalent) managing large-scale datasets Solid understanding of market data sources (Bloomberg, Refinitiv/Reuters, etc.) Experience with Linux system administration in a low-latency or real-time environment Prior exposure to electronic trading systems or market making operations is highly advantageous Excellent communication skills and the ability to prioritize effectively under pressure Compensation & Benefits Total compensation: £200,000 – £300,000 (base performance bonus) Opportunity to work directly with front-office trading and technology teams in a high-performance environment Work Pattern Hybrid: 4 days per week in the London office We look froward to hearing from you!