Search the 27 jobs at Citadel Securities

As a Senior Research Engineer at Citadel Securities, you will curate and process large-scale structured and unstructured datasets, design and maintain data pipelines, collaborate with researchers, and develop tooling for data monitoring and visualization, contributing to business outcomes through data engineering.

Manage the order and execution lifecycle for trading operations, enhance trading workflows, drive improvements for trading platforms, and use data analysis to identify profit opportunities.

The Senior Network Engineer will design, implement, and maintain high-performance network infrastructure for trading systems. Responsibilities include network optimization, troubleshooting, security, collaborating with teams, and capacity planning while staying updated on networking trends.

The C++ Software Engineer will build, maintain, and support a powerful trading platform while improving its performance and stability. Responsibilities include designing and deploying software solutions, partnering with business leaders, analyzing technical issues, and providing systems support for trading activities.

The FPGA Engineer at Citadel Securities will design and deploy FPGA solutions to enhance ultra-low latency trading systems. Responsibilities include optimizing trading system performance and collaborating with business leaders to develop innovative FPGA solutions.

The Quantitative Researcher at Citadel Securities develops and tests automated trading strategies, performs statistical analyses to evaluate securities, works with large data sets to identify market patterns, and implements trading models in live markets.

The Site Reliability Engineer will diagnose problems in a real-time distributed environment, plan and deploy applications and infrastructure, and support application migrations and upgrades. The role demands collaboration, effective communication, and a problem-solving mindset. Candidates with less than 3 years should have foundational skills in UNIX/Linux, networking, SQL, and scripting languages like Bash or Python.

The role involves designing, developing, testing, and deploying software for automated trading systems in collaboration with Quantitative Researchers, utilizing advanced statistical techniques and technologies.

The Trade Operations Analyst is responsible for supporting day-to-day trading functions, including trade booking, reconciliation, and P&L analysis. They will collaborate with trading and technology teams, automate workflows, and ensure operational excellence while liaising across departments.

As a PhD intern at Citadel Securities, you will develop and improve mathematical models, back test trading strategies, and conduct statistical analyses. You will work closely with senior researchers and utilize complex data sets to inform trading signals, gaining experience in a dynamic environment.

As a Software Engineer at Citadel Securities, you will develop high-performance systems and research platforms, collaborate in small teams, and leverage technology to bring trading strategies to life. You will employ innovative techniques like distributed computing and machine learning to create advanced trading tools.

The role involves applying machine learning and AI to analyze data sets, develop trading strategies, implement algorithms, and back-test models. The researcher will work with large unstructured data and document findings while collaborating in a data-driven environment.

As a PhD intern at Citadel Securities, you will apply statistics, machine learning, and AI to innovate and conduct research on trading strategies. Your role involves implementing algorithms, working with large datasets, and back-testing models under the guidance of senior team members.

The role involves making complex risk decisions and executing trades using advanced statistical techniques and technology. Responsibilities include developing knowledge of financial markets, applying quantitative skills to trading, adapting trading strategies, and innovating with a powerful trading platform.

As a Quantitative Trader at Citadel Securities, you'll utilize advanced statistical techniques and analytics to make risk decisions and execute trading strategies across various financial products. You'll develop a deep understanding of financial markets while innovating and adapting trading approaches in real-time to seize investment opportunities.

As a Quantitative Research Analyst intern, you will develop and test automated trading strategies using advanced statistical techniques, conduct research and analysis to enhance trading models, and work alongside senior team members in a fast-paced environment.

The ML/Research Engineer will enhance the deep learning library at Citadel Securities, collaborating with researchers to add functionality and optimize workflows for improved training speeds and cost efficiency.

The High Performance Computing Engineer will support quantitative research and trading through the design and enhancement of proprietary libraries and ML pipelines, focusing on improving computing efficiency and resolving performance bottlenecks in cloud environments.

As a Research Engineer, you will design and develop high-performance Alpha and AI infrastructure. You will collaborate with researchers to enhance functionalities, optimize solutions, and maintain production systems, while leveraging advanced AI algorithms.

Senior Python Software Engineers design, develop, test, and deploy software solutions to optimize performance and efficiency across the firm. They work closely with business leaders, analyze complex problems, and provide support for trading activities while focusing on innovative technology solutions.