Research Platform Infrastructure Engineer

Miami, New York

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Job Description

Role Summary:
Are you excited about cutting-edge technology and making a tangible impact? Our team is at the forefront of innovation, designing and maintaining the distributed systems that power large-scale simulations for our researchers. These simulations are critical in developing the best models or alphas for live trading, directly generating revenue for our firm.
Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel, please share your details and we will contact you if there is a vacancy available.
What we Do:
  • Python SDK Development: We create powerful tools that allow researchers to build and express their research DAGs seamlessly.
  • Scheduling & Orchestration: We optimize cloud resources to meet user requirements, balancing runtime efficiency and costeffectiveness.
  • High Throughput IO: Our filesystem abstractions support high throughput IO, essential for handling large datasets.
  • Data Management: We manage a robust data platform that handles data taxonomy, lifecycles, backups, and synchronization in the cloud.
  • Infrastructure & Systems: Using Terraform and low-level system optimizations, we ensure scalability, resilience, and extreme performance.
  • Cloud Services Abstractions: We provide meaningful abstractions around cloud services to simplify complex tasks for our users.
Qualifications:
  • 5+ years of relevant experience
  • Experience designing and writing highly scalable (micro)services
  • Understanding of cloud computing paradigms with experience building and designing large scale distributed systems in the cloud that follow Networking, IAM, security, etc. best practices
  • Familiarity with IaC solutions and full automation of infrastructure provisioning
  • Experience building out logging/monitoring/alerting systems at scale + quantifiably measuring reliability, and detecting issues before the customer
  • Strong design preference towards simplicity, least-privilege, and reliability
  • Familiarity with CI/CD systems and software engineering best practices
  • Experience with developing on, debugging, and profiling Linux systems and applications
  • Comfortable working and debugging across the full stack
  • Role specific technologies (experience with similar / like tooling is fine):
o Languages: Golang, Python, Java, Bash
o OS: Linux
o CI: Jenkins
o Cloud Platform: GCP
o IaC: Terraform, Packer
o SCM: Git
Why You Should Join Us:
  • Scale and Impact: We work with millions of CPUs and manage hundreds of petabytes of data, providing an unparalleled scale and opportunity to make a significant impact.
  • Innovative Solutions: We focus on solving business challenges with cutting-edge technology, allowing our users to concentrate on what matters most.
  • Exceptional User Experience: Our commitment to reliability, resilience, and scalability ensures we provide exceptional user experience.
  • Impactful Work: Your work will directly contribute to accelerating revenue for Citadel Securities and Asset Management.
  • If you are passionate about technology and eager to make a significant impact, come join us and be part of a team that is shaping the future of trading.


In accordance with applicable law, the base salary range for this role is $175,000 to $350,000.
In addition, the employee who fills this role will be eligible to participate in a discretionary incentive compensation program,
as well as a wide array of benefit programs, such as medical and life insurance, retirement and tax-free savings plans,
and access to other healthcare programs.

About Citadel Securities

Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market’s most critical challenges, turning big ideas into real-world outcomes.

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