Real-Time Market Data Engineer

Millennium Management LLC; Greater London; On-site; GBP 100,000 - 160,000; Full time

Job summary

Millennium is a global, diversified investment firm delivering results for investors. The SPEED Market Data team maintains high-performance, real-time market data infrastructure that supports systematic trading across low-latency and archival environments.

The Market Data Engineer will support enterprise-grade feeds, partner with traders and core tech, and help shape platform direction through automation, monitoring, and release practices. Strong Linux, networking, and SRE skills are essential.

Qualifications

• Experience supporting market data environments in a global org.
• Strong Linux, networking, and CPU architecture fundamentals.
• Hands-on SRE or operational automation experience.
• Monitoring, metrics, and incident remediation expertise.

Responsibilities

• Support and manage real-time market data environments, including vendor feeds.
• Partner with PMs, trading desks, and core tech teams to meet needs.
• Shape technical direction with platform enhancements and initiatives.
• Collaborate with hardware and software teams on low-latency processing.
• Improve platform performance to reduce latency and improve reliability.
• Design tools for monitoring, metrics, and self-service management.
• Strengthen release management, incident response, and SLA handling.
• Contribute to global market data plant stability across environments.

Skills

Market data concepts

Linux systems

Site reliability engineering

Automation and deployment

Networking

Programming/scripting

Education

Degree in Computer Science or related field

Tools

Bloomberg

Thomson Reuters

Job description

Millennium is a global, diversified investment firm delivering results for investors. The SPEED Market Data team maintains high-performance, real-time market data infrastructure that supports systematic trading across low-latency and archival environments.

The Market Data Engineer will support enterprise-grade feeds, partner with traders and core tech, and help shape platform direction through automation, monitoring, and release practices. Strong Linux, networking, and SRE skills are essential.