Jane Street

Jane Street is seeking a FIX Onboarding and Connectivity Engineer to enhance their trading capabilities and client services. This role involves managing the technical processes for accessing new products and exchanges, onboarding clients, and collaborating with trading and technology teams to build connectivity systems. The engineer will prioritize requests, work with developers and infrastructure engineers, and ensure successful production onboarding. Responsibilities include bridging communication between clients, trading, and technology teams, navigating the Unix command line, and developing code. The role also emphasizes improving team function, collaboration, and project delivery practices.

Linux Engineer responsible for maintaining and improving the critical infrastructure underlying Jane Street's production trading systems. This involves debugging kernel performance, developing management tools, resolving production issues, deployment automation, configuration management, and monitoring. The role requires deep knowledge of Unix internals, Linux systems, systems programming, and troubleshooting tools, with a willingness to learn OCaml.

Seeking an IT Security Engineer with a strong Windows engineering background to secure internal IT and remote working platforms. Responsibilities include designing, implementing, and documenting security controls, automating workflows, investigating threats, and driving vulnerability management. Requires proficiency in Windows OS security, endpoint security solutions, and understanding of threat tactics. PowerShell scripting is a plus.

Software Engineers to design and build systems and tools for a trading firm, covering areas from trading desks to foundational infrastructure. Experience with functional programming (OCaml) and Python for data analysis and ML is mentioned, but talent in any language is valued.

Experienced Network Engineer to join the Network Security team, focusing on running, scaling, and improving network security infrastructure. Responsibilities include design, implementation, management of security appliances, network segmentation, threat detection, and collaboration with Cybersecurity and Software Engineering teams. Requires strong networking fundamentals and security appliance experience.

Software Engineers at Jane Street design and build systems and tools for various firm operations, including trading desks, accounting, and foundational infrastructure. The role emphasizes functional programming (OCaml) and increasingly utilizes Python for data analysis, visualization, and machine learning. The company values smart, curious, and collaborative programmers who enjoy solving problems, regardless of their prior experience in specific fields.

Jane Street is seeking Linux Engineers to maintain and improve the critical infrastructure for their production trading systems. 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 experience in systems programming concepts.

Cybersecurity Analyst role focused on protecting company infrastructure, data, and employees by developing monitoring tools, handling incident response, and promoting best practices. Requires strong programming skills, threat modeling knowledge, and the ability to communicate technical concepts to stakeholders.

Software Engineers to design and build systems and tools for a financial firm, covering trading, accounting, and infrastructure. Experience with OCaml and Python is mentioned, with Python being vital for data analysis, visualization, and machine learning.

Jane Street is seeking a Trading Desk Operations Engineer to manage and optimize desk infrastructure, support trading systems, execute data queries, and coordinate with stakeholders to ensure accuracy and efficiency in a fast-paced financial environment. The role involves building tools for smooth firm operations and efficient trade execution, requiring strong technical, organizational, and problem-solving skills.

Jane Street is seeking a Trading Desk Operations Engineer to manage and optimize desk infrastructure, support trading systems, design solutions for trading and operational issues, and communicate with external parties for trade settlement. The role emphasizes hands-on building of tools for efficient trading operations within a fast-paced financial environment.

The Trading Desk Operations Engineer (TDOE) role at Jane Street focuses on building and maintaining the infrastructure and operational processes that support the firm's global trading activities. This involves managing trading systems, executing data queries, collaborating with traders and developers, and communicating with external counterparties. The role emphasizes hands-on problem-solving, technical coding, and organizational skills in a fast-paced financial environment.

Seeking Linux Engineers to maintain and improve the critical infrastructure for Jane Street's production trading systems. Responsibilities include debugging kernel performance, developing management tools, resolving production issues, and focusing on deployment automation, configuration management, and monitoring. The role involves working with a mix of in-house and open-source software, collaborating with trading, technology, and operations teams, and performing root-cause analyses. Training is provided for smart problem solvers with a Bachelor's degree in a technical discipline or equivalent experience, and exposure to Linux environments.

FPGA Engineer with experience in both software and hardware design to build FPGA-based applications. The role involves using programming language technology to improve hardware design, testing, and validation processes, primarily using OCaml & Hardcaml for RTL design and testing, with exposure to Verilog and C. Experience with FPGA vendor tools and building FPGA projects is expected.

Jane Street is seeking Linux Engineers to maintain and improve the critical infrastructure for their production trading systems. This role involves debugging kernel performance, developing management tools, resolving production issues, and focusing on deployment automation, configuration management, and monitoring. The position is open to individuals with a strong problem-solving aptitude and a willingness to learn OCaml, with opportunities for hands-on training.

Seeking an Engineer with software and hardware design experience to build FPGA-based applications. The role involves using OCaml & Hardcaml for RTL design and testing, with exposure to Verilog and C. Focus is on improving hardware design and testing tools.

Software Engineer role at Jane Street, focusing on designing and building systems and tools across various firm functions including trading, accounting, and infrastructure. The role primarily uses OCaml and increasingly Python for data analysis, visualization, and machine learning. Experience in any programming language is welcome, with an emphasis on strong programming skills, intellectual curiosity, and a willingness to learn.

Seeking a talented engineer to manage and automate internal Windows infrastructure, including servers and desktops. Responsibilities involve improving, automating, and standardizing the Windows environment using scripting languages like PowerShell, Python, or C#. The role requires collaboration with a global team to resolve issues, plan deployments, and maintain high standards of performance and reliability.

IT Operations Engineer to support, configure, and maintain systems including desktop environments, network infrastructure, and application platforms. Responsibilities include responding to tech support requests, building/configuring systems, supporting Windows domain infrastructure, monitoring systems, and optimizing operations using automation tools like PowerShell. Collaborates with technically sophisticated users and specialized teams to maintain infrastructure powering trading operations.

Seeking an IT Operations Engineer to support, configure, and maintain systems including desktop environments, network infrastructure, and application platforms. Responsibilities include responding to tech support requests, building and configuring systems, supporting Windows domain infrastructure, monitoring critical systems, and optimizing operations through automation. The role requires strong problem-solving, troubleshooting, and communication skills, with collaboration across global IT Operations.

Cybersecurity Engineer focused on threat modeling, vulnerability identification, and implementing secure solutions for applications, data, and infrastructure within a fintech firm.

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.

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).

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.