Senior Software Engineer, Technology Security & Risk

About this role

Position Summary


Two Sigma is a leading quantitative investment management and trading firm. The company applies a scientific approach to investing, combining cutting-edge technology, artificial intelligence, data science, and quantitative research with rigorous human inquiry to capitalize on market opportunities and deliver alpha for investors.


Our team of engineers, quantitative researchers and data scientists looks beyond the traditional to test hypotheses and develop creative solutions to some of the world’s most complex economic problems.


The Security Development and Infrastructure and the Tech Security and Risk teams are responsible for Two Sigma's most critical authentication, authorization, and security infrastructure systems. We build, maintain, and evolve premier security solutions including identity management systems, access control platforms, and configuration management databases that protect the company's technology while meeting evolving business needs.


We are seeking a senior software engineer to architect and build the next generation of our security infrastructure, transforming legacy systems into modern, scalable solutions. This role combines hands-on software development with technical leadership opportunities, requiring you to make critical architectural decisions while mentoring team members and driving cross-organizational initiatives to improve our security posture.


You Will Take On The Following Responsibilities

• Become a technical domain expert on running our authentication, authorization, and identity management systems, with a focus on their evolution toward zero touch and zero trust architectures
• Develop robust software in either Python or Go to enhance system capabilities, improve performance, and reduce operational complexity
• Mentor junior engineers and develop technical direction through code reviews, development discussions, and teamwork
• Lead team-wide and cross-team efforts to improve syste...