Site Reliability Engineer

Hong Kong, London, New York, Singapore

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Job Description

At Citadel, a leading investor in the world’s financial markets, we aim to win together as one team to earn the long-term trust of our capital partners and each other. Our collaborative approach allows technologists to grow alongside other team members and execute on big, innovative ideas. 
Site Reliability Engineers (SREs) combine software and systems engineering expertise to build and operate the systems that power the firm’s investment strategies at the speed and scale required in fast-evolving markets. SREs are responsible for reducing complexity and improving performance in all corners of Citadel, providing early support for applications in development and ensuring crisp functioning of applications in production. 
Members of the Citadel SRE team have software development backgrounds and varied experience across production engineering, software quality metrics, chaos engineering, networking, UNIX internals, cloud application architecture, and much more.  A Citadel SRE’s work includes automation, instrumentation, optimization, incident response, and consultative support for other engineering teams. Crucially, Citadel SREs are commercial thinkers who partner closely with investment teams and enterprise functional teams to develop deep understanding of how applications work and to promote the SRE mindset, helping to build applications for stability and resiliency from their first stages.  
When you join our team, you will be part of a cohesive group of engineers and investment professionals who are partnering to build world class tools and systems. If you have a mind for innovation and automation and enjoy using measurements and statistics to drive constant improvement, we are eager to hear from you. 
  • Understand the end-to-end flow across applications at a business level 
  • Ensure the reliability, availability, and performance of applications in production 
  • Own the automation of repetitive tasks and resolution of systematic issues  
  • Investigate new ways to improve operations and define new solutions to solve technically complex systems issues 
  • Identify and deliver green-field engineering solutions for issues based on root cause analyses  
  • Own incident management and drive tactical and strategic solutions  
  • Lead by evangelizing the SRE mindset to other teams 
  • Learn from industry leaders, distinguished engineers and investment professionals 
  • Minimum of a Bachelor’s degree in Computer Science, or a related STEM discipline, or equivalent experience 
  • Strong background in computer science fundamentals, data structures, algorithms, distributed systems  
  • Fully proficient in at least one modern structured programming language (Python preferred)  
  • Comfortable with a range of current software development tools and practices (testing, source control, build systems, CI/CD, etc.)  
  • SQL and database experience is a strong plus 
  • Web UI experience (JavaScript, CSS, React) is a plus 
  • Excellent written and verbal communication skills and a passion for solving problems 
  • Strong entrepreneurial spirit and the ability to adapt to changing requirements and technologies 
  • A passion for learning and inventing novel approaches to hard problems 

In accordance with New York City’s Pay Transparency Law, the base salary range for this role is $105,000 to $300,000. Base salary does not include other forms of compensation or benefits.

About Citadel

Citadel is one of the world’s leading alternative investment managers. We manage capital on behalf of many of the world’s preeminent private, public and nonprofit institutions. We seek the highest and best use of investor capital in order to deliver market leading results and contribute to broader economic growth. For over 30 years, Citadel has cultivated a culture of learning and collaboration among some of the most talented and accomplished investment professionals, researchers and engineers in the world. Our colleagues are empowered to test their ideas and develop commercial solutions that accelerate their growth and drive real impact.