Production Support Engineer - Selby Jennings in London - eFinancialCareers

Our client is a globally renowned systematic hedge fund where technology is central to investment performance. They are seeking a Senior Equities Production Support Engineer to join a highly visible front-office technology team, supporting some of the firm's most critical trading and research platforms. This is an opportunity to work directly with Portfolio Managers, Traders, and Quantitative Researchers in a business where engineering excellence is viewed as a true competitive advantage.

The successful Senior Equities Production Support Engineer will sit at the heart of the equities business, taking ownership of high-impact production systems that support the full trading lifecycle. This is far more than a traditional support role. As a Production Support Engineer, you'll drive platform improvements, automation initiatives, and strategic enhancements while acting as a trusted technology partner to the trading desk. The position offers exceptional visibility, significant ownership, and top-of-market compensation within one of the most sophisticated trading environments in the industry. Strong equities trading experience is essential, as you'll be directly supporting front-office users and business-critical trading workflows.

• Partner directly with Equity PMs, Traders, and Analysts to support trading, PnL, risk, reporting, and research platforms
• Own the stability, performance, and reliability of front-to-back equities trading systems
• Lead investigation and resolution of complex production incidents, driving root cause analysis and long-term fixes
• Identify opportunities for automation and process improvement across the production support function
• Build tooling and enhancements using Python, PowerShell, and SQL
• Monitor platform health, performance, and capacity to proactively reduce operational risk
• Collaborate with global engineering teams and external vendors on strategic platform initiatives
• Improve operational efficiency through automation, AI, and workflow optimisation
• Maintain documentation across trade flows, production processes, and critical systems
• Participate in on-call and cross-regional support rotations

• 5+ years' experience as a Production Support Engineer supporting equity trading environments
• Strong equities product knowledge and deep understanding of the equity trading lifecycle
• Proven front-office production support experience within a hedge fund, market maker, investment bank, or trading technology firm
• Strong troubleshooting capabilities across complex trading environments
• Python or PowerShell scripting experience, alongside strong SQL skills
• Experience supporting OMS/EMS platforms such as FlexTrade, Triton, or SpiderRock
• Exposure to Linux, Windows, AWS, and Kubernetes
• Knowledge of FIX connectivity, market data, messaging systems, and trade flows
• Experience with monitoring and observability tools such as Geneos or Zabbix
• Excellent stakeholder management skills and the ability to operate effectively in high-pressure trading environments