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Two Sigma

Reliability Engineer

London
Posted 22 days ago
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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.

The Reliability Engineering team in London is responsible for multiple data plants which provide live and historical data across the firm. We drive automation, improve real-time monitoring, develop metrics to measure performance, drive operational excellence, and lead release and deployment.

You Will Take On The Following Responsibilities

  • Software development of systems, services, tools, and libraries.
  • Improving all aspects of software reliability, 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.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

Only hits

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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.

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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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Location

London, England, United Kingdom

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