Jane Street

Seeking a Cybersecurity Engineer with an offensive security background to join the Cybersecurity team. The role involves hands-on vulnerability identification and remediation, partnering with teams to integrate security from the ground up, and performing threat modeling. Responsibilities include analyzing security implications, building security solutions, and communicating security principles to system owners. The role requires strong technical skills, problem-solving abilities, and excellent communication.

Hands-on Cybersecurity Engineer focused on threat modeling, vulnerability remediation, and guiding teams to build security into applications. Combines offensive security expertise with strong communication and problem-solving skills to improve the firm's security posture.

Recruiter to support the experienced hire team for non-technical professionals in the New York office. Responsibilities include candidate management, improving sourcing methods, pipelining, and positioning the firm in a competitive market. Requires 5+ years of recruiting experience.

Unified Communications Engineer to grow, monitor, and manage global voice and video infrastructure, focusing on end-user setup, asset management, and collaboration/telephony systems. Responsibilities include improving tooling, monitoring, hardware refreshes, and configuration changes, while minimizing downtime. The role involves interfacing with IT Operations, Cybersecurity, and Networking for capacity planning, standards development, and documentation.

Seeking an experienced Facilities Operations Engineer for a technical group managing physical infrastructure, including trading floors and IT equipment, in 24/7 critical environments. Responsibilities include project management, stakeholder relations, and ensuring maintenance SLAs are met. Requires professional training in electrical, mechanical, or building services engineering, or equivalent experience, with a focus on operational risk and engineering decision-making.

Experienced evening shift Move-Add-Change (MAC) Engineer to support IT Operations in improving desktop trading floor landscapes. Responsibilities include PC setups, deployments, asset management, procurement, user onboarding, desktop technology relocation, and infrastructure expansion projects. The role involves using automated tooling for efficiency and working with vendors. Requires hands-on experience with technical infrastructure projects, hardware, networking, and scripting (PowerShell is a plus).

Seeking an experienced Power Analyst/Trader with 5+ years in power markets to price and execute trades, develop cross-commodity correlation models, simulate strategy returns, and enhance desk strategies. Requires strong analytical, probability, and statistics skills, with coding skills preferred.

Unified Communications Engineer to manage global voice and video infrastructure, including end-user setup, asset management, and collaboration/telephony systems. Responsibilities include improving tooling, monitoring, hardware refreshes, and software/hardware configuration changes. The role involves multitasking, alarm monitoring, project tasks, and serving as an escalation point. Collaboration with IT Operations, Cybersecurity, and Networking teams for capacity planning, standards development, and documentation is key. Requires expertise in Cisco UC and Collaboration Product Suite, SIP, UC compliance products, and API automation with Python/PowerShell.

Jane Street is seeking an experienced Campus Technology Recruiter to join their Software Engineering teams. The role involves managing candidate pipelines, developing innovative recruiting strategies, and ensuring a high volume of full-cycle candidate management during campus recruiting season. The recruiter will also contribute to optimizing recruiting approaches based on seasonal observations and will receive training and mentorship within the team.

Data Centre Engineer responsible for designing, building, scaling, and maintaining data centres, including hands-on work with hardware, network equipment, and vendor management. The role requires strong Linux knowledge, networking fundamentals, and project management skills to ensure data safety and accessibility.

This role is within the Finance team, focusing on managing and improving daily activities and processes related to the firm's capital base. Responsibilities include monitoring capital usage, reconciling models, executing funding trades, operating position management systems, and automating workflows. The role involves quantitative analysis, problem-solving, and decision-making under pressure, with opportunities for growth and long-term improvement implementation.

Procurement Specialist role focused on sourcing and managing technology and non-technology services in the APAC region, involving RFX processes, negotiation, and contract management.

Seeking an experienced engineer with a strong background in mobile device management (MDM) and remote device solutions to engineer, manage, and maintain a fleet of thousands of iOS and Android devices. Responsibilities include improving, automating, and standardizing device management, developing PowerShell scripts, optimizing MDM systems, and collaborating globally to resolve issues, deploy updates, and enhance systems. The role also involves developing new solutions, architecting integrations, and documenting problem resolution.

This role is for an Audio/Visual (AV) Engineer responsible for designing, implementing, and supporting AV infrastructure in a financial environment. The role involves managing various AV systems, collaboration platforms, and teleconferencing services across different types of spaces, from conference rooms to trading floors and auditoriums. The engineer will act as a subject matter expert, provide technical support, and collaborate with other technology teams. The position requires a broad understanding of enterprise AV technologies, project management skills, and the ability to work with vendors and stakeholders.

Experienced Macro Analyst to provide macroeconomic and geopolitical insights to global trading and research teams, focusing on developing well-reasoned views and expanding trading opportunities. Responsibilities include macro updates, quantitative analysis, aggregating research, and deep dives into specific topics.

Jane Street is seeking a Cybersecurity Governance and Risk Specialist to enhance and champion cybersecurity GRC activities. The role involves collaborating with cross-functional teams to improve governance and risk management, developing policies, monitoring compliance and regulatory requirements, performing control assessments, and conducting third-party vendor assessments. The ideal candidate has experience in technical environments, understands cybersecurity standards and regulatory requirements beyond finance, and is familiar with auditing processes.

Seeking an experienced Software Engineer with a background in programming languages to join the OCaml Language team. The role involves improving OCaml's type system, optimizer, and toolchain to enhance developer productivity and code performance. The work is largely open-source.

Data Engineer to transform messy real-world datasets into reliable inputs for research and trading, working closely with trading desks to identify data needs, evaluate datasets, and build pipelines for ingestion and transformation.

Cybersecurity Analyst responsible for developing and using monitoring tools, incident response, remediation, threat hunting, and improving detection capabilities and automation.

Cybersecurity Analyst responsible for developing and using monitoring tools, incident response, remediation, threat hunting, and improving detection capabilities and automation.

Software Engineer / Writer role focused on creating and improving documentation, building tools that support documentation, developing training materials, and writing longer-form content like tutorials and blog posts. Requires strong writing skills and sufficient programming ability to navigate codebases and understand technical concepts. Experience with functional programming, OCaml, or finance is not required.

Software Engineer to improve and maintain a custom ML-like programming language framework used for financial modeling, risk calculation, and alerting at Jane Street. The role involves working on core language features, standard library, and editor integrations, balancing support for existing uses with driving new functionality.

Procurement Specialist for IT Services, focusing on SaaS, cloud, IT, co-location, and telecom. Responsibilities include end-to-end sourcing, vendor management, negotiation, RFP execution, and purchase order processing. Requires 5-10 years of experience with RFPs, MSAs, SOWs, strong negotiation skills, and proficiency in P2P systems.

Senior Incident Responder and Forensic Investigator to join the Cybersecurity team, focusing on responding to external cyber incidents and investigating insider threats. The role involves using forensic analysis to determine attack vectors and scope, with an interest in automation and scripting.

Seeking a Statistical Arbitrage Research Analyst to apply math and statistical methods to develop trading strategies across various asset classes. Role involves analyzing diverse datasets, assessing data quality, feature engineering, and collaborating with a team. Experience in quantitative research and statistical/ML modeling is preferred.

Data Engineer at Jane Street to transform messy real-world datasets into reliable inputs for research and trading. Responsibilities include working with trading desks to identify data needs, evaluating datasets, building pipelines for ingestion and transformation, and shaping systems. Requires strong programming skills, SQL/DataFrame proficiency, intellectual curiosity, and clear communication.

Jane Street is seeking a Market Data Specialist to join their Metadata team in London. This role focuses on enhancing and maintaining the firm's Security Master and Corporate Action Management systems. Responsibilities include configuring systems for data quality, data cleaning and validation, resolving internal client support issues, and liaising with data providers. The specialist will collaborate with software developers, traders, and operations professionals.

Seeking a Technical Product Manager to provide organization and coordination for engineering initiatives in a core technology role within a financial trading firm. The role involves managing projects through their lifecycle, defining goals, tracking milestones, managing developer time, identifying risks, and communicating with stakeholders. Requires strong communication, strategic thinking, and the ability to handle ambiguity and competing priorities in a fast-paced environment.

Data Centre Engineer responsible for designing, building, scaling, and maintaining data and colocation centers, ensuring security, organization, and operational efficiency. This role involves hands-on work, process thinking, project management, and collaboration with various internal teams and external vendors.

Experienced FTR trader to trade congestion products, conduct research, and design trading strategies in multiple ISO/RTOs. Requires strong market knowledge, analytical skills, and experience with strategy lifecycle and risk management.

Seeking a Linux Engineering Manager to lead a team responsible for maintaining and improving the platform powering Jane Street's production trading systems. The role involves both individual technical contributions and people management, with an emphasis on leadership by example, problem-solving, and collaboration.

Data Engineer to turn messy, real-world datasets into reliable inputs for research and trading. Build pipelines that ingest and transform external data, working closely with trading desks to identify data needs and evaluate datasets. Requires strong programming, SQL/DataFrame proficiency, and data investigation skills.

Jane Street is seeking an experienced educator to develop and deliver courses for their internal educational programs, focusing on teaching engineers how to effectively use OxCaml, a performance-engineered branch of OCaml. The role involves creating materials, expanding existing bootcamps, developing tutorials for advanced features, and mentoring other teachers, while also contributing to the development of OxCaml itself through coding.

Technical Programme Manager to provide organisation and coordination support for engineering initiatives in a fintech trading technology company. The role involves leading projects through their lifecycle, managing timelines, risks, and communication across teams, and contributing to the design, deployment, and support of trading infrastructure. Requires strong technical background, communication skills, strategic thinking, and comfort with ambiguity.

Seeking an experienced Natural Gas Analyst to research and develop new strategies that integrate fundamental analysis with quantitative trading approaches for the European natural gas market.

Software Engineer with experience in language compilers and runtimes to maintain a framework for financial modeling, risk calculation, and custom alerting. Focus on performance, scalability, distribution, scheduling, and resource usage measurement.

This role focuses on building and maintaining desk infrastructure, supporting trading systems, and implementing solutions for trading and operational issues within a fast-paced financial environment. It requires strong technical, organizational, and communication skills, with an emphasis on hands-on problem-solving and collaboration.

Data Centre Engineer responsible for designing, building, scaling, and maintaining data centre infrastructure, including hardware, cabling, and network equipment, ensuring security, organization, and operational efficiency.

Software Engineer with experience in high-performance, low latency systems to work on fast-trading systems. Experience with low level systems programming and optimization is critical. Knowledge of OCaml is not required but can be taught.

Experienced Network Engineer to join the Network Security team, focusing on running, scaling, and improving network security infrastructure. Responsibilities include hands-on operations, design, implementation, managing network segmentation, evaluating new platforms, collaborating on threat mitigation, and enhancing observability. Requires strong networking fundamentals and experience with security appliances.

Software engineer focused on front-end development, UI design, and typed functional programming for trading infrastructure tools. The role involves designing and implementing next-generation browser-based tools for expert users, maintaining a high UX bar, and creating flexible, powerful tools. Opportunities exist to develop libraries, abstractions, and improve firm-wide UI development practices. Requires strong web technology background (CSS, DOM, UI frameworks), practical experience with sophisticated UIs, and an interest in typed functional programming (Elm, ReasonML, Purescript, Typescript are a plus). The role may involve working across the stack (front-end, back-end, middleware, databases) and collaborating with traders. Fluency in English is required.

Software engineer passionate about front-end development, user-interface design, and typed functional programming to build next-generation browser-based tools for trading infrastructure. Focus on high UX, flexibility, and power for expert users, with opportunities to create libraries, abstractions, and improve development practices. Requires strong web technologies background, practical experience with sophisticated UIs, and interest in typed functional programming. Role involves working across the stack and closely with traders.

Data Specialist role focused on understanding, improving, and maintaining data for trading operations. Responsibilities include analyzing, onboarding, validating, and producing large datasets, collaborating with engineers and traders, and interfacing with exchanges and data vendors to resolve issues. Requires strong data analysis, debugging, programming, and SQL skills.

Research internships in Tools and Compilers group focusing on improving OCaml, including type systems, optimizers, and toolchain enhancements. Projects involve applying state-of-the-art research to a production codebase.

Research internship in Jane Street's Tools and Compilers group, focusing on improving OCaml. Projects involve type systems, superoptimization, and compiler testing, applying state-of-the-art research to a production codebase.

Jane Street is hiring Production Engineers in Hong Kong and Singapore. This role involves both software development and providing support for critical trading systems. Production Engineers work within software teams, focusing on creating and running great software systems, with a strong emphasis on functional programming (OCaml). They interact with various departments, solve real-time issues, and impact the firm-wide operations by owning the architecture and design of monitoring and support systems. The role requires a blend of development and support rotation, offering broad knowledge and collaboration opportunities. Candidates should be strong, curious, collaborative programmers who enjoy problem-solving and can communicate clearly under pressure.

Production Engineers at Jane Street are software developers who split their time between developing software and providing high-quality support for critical trading systems. They work alongside application developers, taking ownership of the architecture and design of systems that monitor and support the firm's trading, and design/develop their own tools. The role requires strong programming skills, intellectual curiosity, and excellent communication, particularly during production incidents. OCaml is the primary development language.

Seeking a Linux Engineering Manager to lead a team responsible for maintaining and improving the platform powering Jane Street's production trading systems. The role involves both individual technical contributions and people/project management, with a focus on Linux systems, Unix command line, and systems programming.

Jane Street is seeking Linux Engineers to maintain and improve the critical infrastructure underlying the firm's technology. This role involves debugging kernel performance, developing management tools, resolving production issues, and focusing on deployment automation, configuration management, and monitoring. The ideal candidate has deep knowledge of Unix internals and the Linux ecosystem, with practical experience in systems programming concepts.

Linux Engineers at Jane Street are responsible for maintaining and improving the critical infrastructure that powers the firm's production trading systems. This involves debugging kernel performance, developing management tools, resolving production issues, and focusing on deployment automation, scalable configuration management, and monitoring. The role requires deep knowledge of Unix internals and the Linux ecosystem, systems programming concepts, and strong troubleshooting skills.