The Site Reliability Engineer will support and diagnose problems in a real-time, distributed environment, managing application migrations and infrastructure upgrades while collaborating with colleagues. Candidates should have experience with UNIX/Linux, networking, SQL, and scripting, and demonstrate strong communication and problem-solving skills.

As a Fundamental Analyst Intern at Citadel Securities, you will gain experience in fundamental analysis, collaborating closely with traders and developing trade ideas. You'll identify pricing inefficiencies, transform unstructured data into signals, and monitor market trends.

The Fundamental Analyst at Citadel Securities will analyze financial markets using fundamental and quantitative research. Responsibilities include developing sector knowledge, identifying pricing inefficiencies, collaborating with traders, and transforming data into actionable insights.

As a Trading Intern at Citadel Securities, you will gain hands-on experience in trading and risk management, applying your quantitative skills to complex market scenarios. You will collaborate with experienced traders, learn statistical techniques, and innovate using advanced trading platforms.

Site Reliability Engineers at Citadel Securities manage application reliability, performance, and production readiness. They innovate and automate processes while collaborating with development teams to enhance application functionality through systematic analysis and engineering solutions.

As a Software Engineer Intern at Citadel Securities, you will work in small teams to develop high-performance technology tools and research platforms. You will engage in hands-on projects, leveraging innovative techniques like distributed computing and machine learning, and collaborate with senior team members during an 11-week internship program.

As an FPGA Intern, you will design, implement, and test FPGA solutions to enhance trading system performance. You'll collaborate with senior engineers, work on projects that optimize efficiency, and gain network opportunities during an 11-week program.

As a Quantitative Research Intern, you will develop and enhance mathematical models, implement trading strategies, and conduct statistical analyses. You'll translate complex algorithms into code and innovate using unconventional data sources, all while collaborating with your team to drive research forward.

As a Quantitative Research Analyst Intern, you will conceptualize valuation strategies, develop mathematical models, backtest trading signals, and conduct statistical research while collaborating with senior team members. You will gain experience in using unconventional data sources for trading and develop insights for monetization systems.

As a Quantitative Trader, you'll apply advanced statistical techniques and predictive analytics to develop trading strategies. You will learn financial markets, monitor risks, and innovate using advanced trading platforms. A systematic and quantitative mindset is crucial for solving complex trading problems.

The C++ Software Engineer will build and maintain sophisticated trading platforms, design software solutions, analyze complex problems, and support trading activities while collaborating with business leaders to enhance system performance and stability.

The Quantitative Developer/Research Engineer at Citadel Securities designs, develops, tests, and deploys software solutions for automated trading systems while collaborating with the Quantitative Research team to deliver customized solutions.

FPGA Engineers at Citadel Securities design and deploy advanced FPGA solutions to enhance ultra-low latency trading systems, working closely with business leaders. Responsibilities include researching, implementing, and optimizing trading system performance for rapid algorithmic trade execution.