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Reliability Engineer, Market Data

Two Sigma· London, United KingdomLicensed sponsor
Added 20 Jul 2026, 15:22
Two Sigma3.6 (15)
Levels.fyi · global compSWE $365k TC ($300k–$495k)
AI summary

Work with Python, Java, C++, Linux, and kernel-bypass networking. You will develop and maintain infrastructure for low-latency market data delivery and order execution across global exchanges, supporting multiple trading desks at a quantitative investment management firm.

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Reliability Engineer, Market Data

Location

UK London

United Kingdom

Business

Investment Management

Function

Engineering

Experience Level

Experienced

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Position Summary

Two Sigma is a leading quantitative investment management and trading firm. The company applies a scientific approach to investing, combining cutting-edge technology, artificial intelligence, data science, and quantitative research with rigorous human inquiry to capitalize on market opportunities and deliver alpha for investors.

Our team of engineers, quantitative researchers and data scientists looks beyond the traditional to test hypotheses and develop creative solutions to some of the world’s most complex economic problems.

Two Sigma's Market Data Reliability Engineering team is growing. We are looking for an experienced Reliability Engineer to help to assist in maintaining and advancing our trading platform by working closely with multiple trading teams to ensure the low latency delivery of market data and orders to and from exchanges and other counterparties across a wide variety of asset classes. In this role, you will gain exposure to global market structures for numerous asset classes and low-level performance analysis and tuning. Apply today if this sounds interesting to you!

You will take on the following responsibilities:

Develop, operate, and maintain the infrastructure vital to ensure that market data is processed, stabilized and redistributed in a live production environment.

Work with trading desks to ensure successful trading and minimal outages

Implement and operate tools to ensure compliance with all rules and regulations

Work directly with exchanges, counterparties, and data providers to bring value to all the trading desks at Two Sigma.

You should possess the following qualifications:

BS/BA degree in Computer Science or another highly technical, scientific field

Minimum 1 year of experience required; 5+ years of experience preferred in programming (structured and OO) with one or more high level language (such as Python, Java, C++)

Experience with market data production support and/or trade desk support, and knowledge of market microstructure, is preferred but not required

Linux administration experience. In-depth knowledge of networking technology (such as kernel bypass) is preferred, but not required

Proven track record of supporting live production systems

We are proud to be an equal opportunity workplace. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity/expression, age, status as a protected veteran, status as an individual with a disability, or any other applicable legally protected characteristics.

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