Jobs at Jane Street

Design, deploy, configure, scale, and maintain regional data and colocation centres across Asia. Responsibilities include equipment deployment planning, procurement and inventory coordination, Linux server installation in PXE environments, network and server hardware installation, cabling, troubleshooting, vendor coordination, documentation, safety, security, and operational standards. The role is based in Singapore and supports remote locations, with occasional travel and some evening or weekend work.

Design and build critical systems, trading tools, foundational infrastructure, monitoring systems, risk models, and accounting technology. Work collaboratively to solve complex problems using OCaml, Python, and other programming languages. Contribute to and support open-source projects while learning new technologies and applying strong problem-solving skills.

Network Engineering Interns collaborate with experienced engineers to maintain and improve multi-vendor network infrastructure supporting trading and internet connectivity. Responsibilities include debugging routing protocols, supporting site expansions and colocation builds, provisioning market data connections, automating support tasks, monitoring networks, resolving production issues, conducting root-cause analyses, and implementing long-term fixes.

The Network Engineer will manage network security infrastructure, improve observability, collaborate with teams, and enhance network processes. Requires strong communication and analytical skills.

Twelve-week Software Engineering internship (Singapore) working on real production projects under mentor guidance. Interns learn and use OCaml (and sometimes Python), contribute maintainable code across diverse systems, receive training in Hong Kong, and visit the New York office. Full availability for the program dates required; flights and accommodation provided.

This role involves using OCaml and Python for various software engineering tasks, promoting collaboration within small teams at Jane Street.

The Engineer will manage FIX onboarding projects, coordinate with trading and technology teams, and develop connectivity systems for both proprietary and client trading initiatives.

The Senior Network Engineer will scale and standardize network infrastructure, improve operations using automation and AI, and document processes.

Production Engineers develop software and support critical systems at Jane Street, focusing on OCaml and solving real-time issues in trading.

Linux Engineers maintain and improve the infrastructure for production trading systems, focusing on automation, performance debugging, and systems programming.

As a Cybersecurity Analyst, you will develop monitoring tools, handle incident response, and improve detection capabilities while educating others on cybersecurity best practices.

The Cybersecurity Engineer will protect company infrastructure, lead cybersecurity awareness efforts, handle incident responses, and collaborate on security practices.