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# Reliability Engineer

- **Company:** Two Sigma
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Unix, Linux, Distributed Systems, Python (Programming Language), Networking Basics, Object-Oriented Software Development, Ruby, Software Engineering, Information Technology, Low Latency
- **Published:** August 17, 2026
- **Apply:** https://www.efinancialcareers.com/jobs-United_Kingdom-London-Reliability_Engineer.id24658339

## About the Role

including observability, operability, scalability, and availability. Building and maintaining automation focused software (primarily in Python) to enable us to craft maintainable and scalable systems Demonstrating adherence to rigorous change management controls, including a commitment to continuous improvement of our tests and automated checks Extensive collaboration with our software engineering teams on architectural and product design, reliability, performance, support issues and improvements to our tools, processes, and software Responsibility for the daily operation and monitoring of a production-critical environment Participation in a support rotation responsible for several critical production and research data pipelines You should possess the following qualifications: A bachelor's degree, equivalent or higher in computer science or another highly technical, scientific discipline. Proactive approach to problem identification and resolution and continuous development and
automation. Proficiency with one or more object oriented scripting languages such as; Python, Ruby or JavaScript. Proven track record for automating processes together with an algorithmic approach to solving problems. Some knowledge of UNIX or Linux Systems. Preferred qualifications: Experience working with distributed systems and low-latency applications on Linux operating systems. Experience with networking fundamentals. Experience working directly with counterparties on issue resolution in a trading environment. Experience with Python 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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