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FPGA Engineers at Citadel Securities are responsible for creating and deploying next-generation FPGA solutions to enhance trading systems' performance. They collaborate with business leaders to maximize efficiency and accelerate algorithmic trading processes.

The Senior Network Engineer will design, implement, and maintain low-latency network solutions for trading systems, optimize network performance, troubleshoot issues, and ensure network security. The role also involves collaborating with teams to meet business needs and staying updated on industry trends.

The Quantitative Developer/Research Engineer at Citadel Securities is responsible for designing, developing, testing, and deploying software solutions for automated trading systems, collaborating with Quantitative Researchers to customize solutions. They leverage sophisticated statistical techniques and advanced technologies to enhance trading efficiencies.

As a Quantitative Developer/Research Engineer, you will design, develop, and deploy software solutions for automated trading systems in collaboration with Quantitative Researchers. Your responsibilities include testing, defining priorities, and delivering custom software that utilizes statistical techniques and sophisticated technologies.

The C++ Software Engineer will build, maintain, and support a trading platform, design and develop software solutions, and analyze complex problems while working collaboratively with business leaders.

The role involves supporting and diagnosing issues in a distributed environment, capacity planning, and application migrations. Applicants must be knowledgeable in UNIX/Linux and have experience in Python and SQL. Strong communication skills and the ability to work under pressure are essential.

Site Reliability Engineer responsible for first line support, troubleshooting in distributed environments, infrastructure capacity planning and deployment, and application migrations. Candidates with less than 3 years must be familiar with UNIX/Linux, networking protocols, and SQL. Those with 3+ years should have experience in large-scale applications and infrastructure upgrades.