Software Engineer, Security Engineering

Position Summary

Two Sigma is a financial sciences company, combining data analysis, invention, and rigorous inquiry to help solve the toughest challenges in investment management, securities, private equity, and venture capital.

Our team of scientists, technologists, and academics looks beyond the traditional to 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 experienced software engineers to architect and build the next generation of our security infrastructure, redefining 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

• Develop robust software in either Java, Go, or Python to enhance system capabilities, improve performance, and reduce operational complexity
• Lead architectural decisions and technical strategy for migrating legacy infrastructure to modern, cloud-native platforms while maintaining high security and reliability standards
• Mentor junior engineers and influence technical direction through code reviews and design discussions
• Drive team-wide and cross-team projects to improve system observability, monitoring, and documentation
• Research industry standards, contribute to open source, and evaluate emerging security technologies for potential adoption
• Become a technical domain authority on running our security platform suite, with a focus on moving towards zero touch and zero trust architectures

You Should Possess The Following Qualifications

• BS in Computer Science, Software Engineering, or another technical discipline
• Experience in software engineering roles building and maintaining distributed systems at scale
• Proficiency in programming languages such as Java, Python or Go
• A deep understanding of system design principles, including distributed systems architecture and database management
• Experience with authentication and authorization protocols, configuration management tools, CI/CD and security standards
• Consistent track record of leading technical initiatives and making architectural decisions
• Strong communication skills with ability to work effectively across teams and with collaborators

Preferred Qualifications

• Expertise in zero trust security models and implementation
• Familiarity with identity systems and technologies
• Experience with cloud infrastructure (GCP, AWS, or Azure) and hybrid cloud architectures
• Knowledge of entitlement systems and audit processes within financial or technology organizations
• Experience with containerization technologies (Docker) and orchestration platforms (Kubernetes)
• Background in C or Bash scripting for system-level programming
• Contributions to open source projects or published technical content

You Will Enjoy The Following Benefits

• Core Benefits: Fully paid medical and dental insurance premiums for employees and dependents, competitive 401k match, employer-paid life & disability insurance
• Perks: Onsite gyms with laundry service, wellness activities, casual dress, snacks, game rooms
• Learning: Tuition reimbursement, conference and training sponsorship
• Time Off: Generous vacation and unlimited sick days, competitive paid caregiver leaves
• Hybrid Work Policy: Flexible in-office days with budget for home office setup

The base pay for this role will be between $165,000 and $250,000. This role may also be eligible for other forms of compensation and benefits, such as a discretionary bonus, health, dental and other wellness plans and 401(k) contributions. Discretionary bonus can be a significant portion of total compensation. Actual compensation for successful candidates will be carefully determined based on a number of factors, including their skills, qualifications and experience.

We are proud to be an equal opportunity workplace. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity/expression, age, status as a protected veteran, status as an individual with a disability, or any other applicable legally protected characteristics.

Two Sigma is committed to providing reasonable accommodations to qualified individuals in accordance with applicable federal, state, and local laws.

If you believe you need an accommodation, please visit our website for additional information.