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# Market Data Engineer

- **Company:** Millennium Management LLC
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Microarchitecture, Linux Kernel, Object-Oriented Software Development, Release Management, Reliability Engineering, Software Engineering, System Programming, Scripting, Build Management, Information Technology
- **Published:** September 4, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=129c33d6564275b2

## About the Role

* Experience supporting market data environments within a global organization, including internally developed feed handlers and distribution infrastructure\
 * Strong understanding of market data concepts, including data models, messaging protocols, order book structures, recovery, and reliability mechanisms
 * Technical background in developing and supporting complex market data systems, including platforms such as Bloomberg and Thomson Reuters
 * Hands-on site reliability engineering or operational expertise, including system administration, automation, measurement, and release or deployment management
 * Experience with monitoring, metrics, and command-and-control capabilities for distributed market data platforms, with the ability to assess current solutions and drive improvements\
 * Degree in Computer Science or a related field, with strong object-oriented programming or scripting experience
 * Solid understanding of Linux internals, networking, and CPU architecture, with the ability to apply that knowledge to high-performance systems
 * Strong prioritization, communication, relationship management, and ownership skills, with a detail-oriented approach in fast-moving, high-pressure environments

## Description

* Support and manage both enterprise and latency-sensitive real-time market data environments, including internal, vendor, and exchange-driven changes
 * Partner with Portfolio Managers, trading desks, and core technology teams to support users of the market data platform and address evolving business needs
 * Help shape the team's technical direction by driving platform enhancements and new engineering initiatives
 * Collaborate with hardware and software engineering teams across the firm to build real-time market data processing and distribution systems
 * Optimize platform performance through network and systems programming techniques designed to reduce latency and improve reliability
 * Design and build tools that automate support and platform management, including monitoring, real-time and historical metrics, visualization, and self-service administrative capabilities
 * Strengthen operational processes and workflows across release management, incident response, remediation, exchange notification handling, and SLA enforcement
 * Contribute to the stability and evolution of the global market data plant across both low-latency and non-latency-sensitive environments


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