Linux Systems Engineer - Exciting Opportunity in Singapore

About the PositionAs a Linux Engineer at Jane Street, you'll play a vital role in managing the essential infrastructure that supports our cutting-edge technology. This position is tailored for dedicated Systems Engineers, Administrators, and Programmers who are committed to enhancing and maintaining the platform that drives our production trading systems. With a blend of proprietary and open-source software, you will have the opportunity to explore and innovate across various levels of technology. On any given day, you may find yourself debugging kernel performance, developing management tools, or swiftly addressing production issues. Tackling complex systems challenges is at the heart of what we do.Our ongoing projects emphasize deployment automation, scalable configuration management, and meticulous monitoring. We strive for automation not out of laziness, but because it significantly reduces errors and eases our workload—plus, we enjoy it!Joining our team means engaging with nearly every aspect of the company. Collaborating directly with colleagues in Trading, Technology, and Operations, you'll help design and maintain systems with a company-wide impact. By utilizing feedback from different teams and our custom monitoring tools, we aim to resolve production challenges promptly, conduct thorough root-cause analyses, and implement long-term solutions in a clean and efficient manner.

About the RoleAt Jane Street, we are consistently seeking talented software engineers across all our offices. Our work is fundamentally driven by technology, and our engineers play a crucial role in every aspect of our business.We strongly advocate for functional programming and primarily utilize OCaml, a statically typed functional programming language. Recently, Python has also become integral to our research and trading operations, serving as the primary language for data analysis, visualization, and machine learning.We value the significance of open source software, integrating it into our daily tasks and contributing over a million lines of our own code back to the community.

About the Position Jane Street is seeking talented Software Engineers eager to contribute to the design and development of the systems and tools that are crucial to our operations. Our engineers play integral roles across various departments, including trading, accounting, and infrastructure development. This includes tasks like implementing network monitoring tools and risk models. We are strong advocates for functional programming and primarily use OCaml, a statically-typed functional programming language, in our projects. Additionally, Python has gained prominence in our research and trading efforts, serving as an essential language for data analysis, visualization, and machine learning. We value open-source software and actively incorporate it into our workflows. We also contribute to the community, having released over a million lines of our code as open source. We are always on the lookout for ways to expand our open-source contributions, supporting projects like Mercurial, the OCaml compiler, and the OPAM package manager. Importantly, we welcome engineers with diverse programming backgrounds; many of our team members had minimal OCaml experience before joining. For more insights, check out our interview process and meet our newest hires. About You We do not expect you to have a background in functional programming, OCaml, Python, finance, or any specific field. We seek intelligent programmers who relish solving complex problems. Your ability to think critically and learn is more important to us than your current knowledge. Ideal candidates should be: A skilled programmer with a passion for technology Intellectually curious, collaborative, and eager to learn Humble and willing to ask questions and acknowledge mistakes To prepare for our software engineering interview, feel free to visit our interview prep page. If you are a recruiting agency interested in partnering with us, please contact agency-partnerships@janestreet.com.

About the Position Join our dynamic team as a Facilities Operations Engineer, where you will play a key role in managing and maintaining our vital physical infrastructure. This includes overseeing our trading floors, amenity spaces, and food service areas, all supported by cutting-edge mechanical, electrical, and IT systems. We pride ourselves on fostering a collaborative environment that spans various internal departments as well as external vendors, contractors, consultants, and operations teams. Your responsibilities will involve managing diverse projects related to our physical infrastructure while nurturing relationships with stakeholders to ensure the delivery of 24/7 critical infrastructure. We seek candidates who are professionally trained in electrical, mechanical, or building services engineering, or those with equivalent experience in facilities management. Experience in managing facilities maintenance service-level agreements (SLAs) is essential to meet industry standards. If you possess a proven ability to deliver excellence, have strong technical skills, and can make informed engineering decisions regarding operational risk, we encourage you to apply!

About the Role Jane Street is seeking a Senior Network Engineer to enhance our network infrastructure and meet the growing demands of our business. In this role, you will play a critical part in standardizing operations through automation and exploring AI-driven improvements. Our extensive distributed systems operate on a multi-vendor, high-availability network, supporting a diverse range of traffic profiles, from high-speed trading to standard internet connectivity. A typical day within our Network Engineering team includes: Collaborating on new data center and colocation projects, WAN routing optimization, and cross-team design initiatives. Engaging with stakeholders to assess business needs and develop innovative network capabilities. Leading both reactive support and proactive infrastructure improvements, emphasizing detailed documentation to minimize outages and enhance troubleshooting. Investigating AI and machine learning enhancements to streamline operations and continuously improve service quality. Utilizing your networking expertise to scale our infrastructure while ensuring high standards for performance and reliability. Documenting solutions and processes with meticulous attention to detail to improve team efficiency. If you are passionate about innovating within a complex network ecosystem and enjoy building scalable systems and documentation structures, this role offers a unique opportunity to make a significant impact at Jane Street. We look forward to your expertise and unique perspective.

About the Role Jane Street is seeking talented Production Engineers to join our dynamic teams in Singapore and Hong Kong. As Production Engineers, you will engage in software development while also providing exceptional support for critical software systems that drive our trading operations. Our Production Engineers either work closely within software teams or operate as part of standalone groups. Regardless of the setup, collaboration with application developers is key to our shared objective of delivering outstanding software solutions. Emphasizing our commitment to functional programming, we primarily utilize OCaml as our development language. In this role, you will have the opportunity to interact across various departments and functions, addressing real-time challenges that significantly impact our firm. You will take charge of the architecture and design of systems that monitor and support trading activities, and you will design and develop the tools we utilize, allowing you to directly influence and enhance our operational efficiencies. For more insights, feel free to visit Production Engineering at Jane Street.

About the Position Jane Street is on the lookout for a motivated and detail-oriented Technical Program Manager to join our dynamic team in Singapore. In this pivotal role, you will provide essential organizational and coordination support for our engineering projects. As technology is the backbone of our operations, this position offers a unique opportunity to collaborate closely with our engineers in the development and optimization of Jane Street’s trading technology. Your technical expertise will be invaluable as you guide projects through their entire lifecycle. This includes defining objectives, creating timelines, monitoring progress, managing developer resources, identifying potential risks, and liaising with relevant teams. You will also be responsible for communicating project schedules, priorities, and updates to the broader organization. To thrive in this role, you will need exceptional communication skills and the ability to juggle competing priorities effectively. Collaboration will span various teams within Jane Street—such as developers, business units, operations, and support—as well as external financial organizations, ensuring that every project is completed on time while meeting or surpassing established goals and expectations. Our work culture fosters a flexible problem-solving environment that encourages innovative thinking when developing processes and tools for ongoing projects. We seek a strategic thinker who takes into account both team and project goals during problem resolution. This role is part of Jane Street’s technology group, which designs, deploys, and maintains the infrastructure that supports our trading activities. You will gain exposure to a diverse range of global market systems, enhancing your understanding as you work to improve them. Success in this position requires a passion for independent work within small teams, a willingness to learn quickly, and the ability to make impactful decisions for the firm. At Jane Street, the “P” in TPM can represent various roles. Depending on the team and circumstances, you may find yourself anywhere from Program Manager to Product Manager. Therefore, being comfortable with ambiguity and eager to engage hands-on with challenges will lead to your success. You may also notice a corresponding job posting for “Technical Product Manager” on our site—feel free to apply to whichever role aligns more closely with your experience and interests, and we will ensure your application is directed appropriately.

About the PositionAs a Linux Systems Engineer at Jane Street, you will play a crucial role in managing the essential infrastructure that supports our technology operations. This dynamic team of Systems Engineers, Administrators, and Programmers is dedicated to enhancing and maintaining the platform that drives Jane Street's production trading systems. With a blend of proprietary and open-source software, you will have the opportunity to explore and innovate at all levels. Your day might involve debugging kernel performance, crafting management tools, or swiftly addressing production challenges.Our ongoing projects emphasize deployment automation, scalable configuration management, and meticulous monitoring. We believe in automating our processes not out of laziness, but to minimize errors and reduce our workload—plus, we find it enjoyable!Collaboration is key in our environment, providing you the chance to work with various departments across the firm, including Trading, Technology, and Operations. By leveraging feedback and our specialized monitoring tools, we focus on quickly resolving production issues, conducting thorough root-cause analyses, and implementing sustainable solutions.

Join our innovative team at ncs3 as a Systems Engineer specializing in Linux and Windows environments. This is an excellent opportunity for tech enthusiasts eager to contribute to exciting projects and enhance their skills in a dynamic setting.

At Janes, we are continuously seeking exceptional talent to join our team. If you do not see a current opening that aligns with your skills and career aspirations, we encourage you to reach out to us. Your expertise is valuable, and should a suitable position become available in the future, we will be in touch! Life at JanesWe pride ourselves on fostering a vibrant workplace culture. Our core values and leadership principles guide our actions, ensuring we create the best outcomes for our customers, colleagues, shareholders, and the business. Our supportive and dynamic environment encourages personal and professional growth.Janes is committed to inclusivity and equal opportunity, welcoming applications from individuals of all backgrounds, including age, race, disability, religion, sexual orientation, gender reassignment, marital status, and parental status.While this role is classified as full-time, we recognize the importance of flexibility in the workplace. We embrace a hybrid work model across all locations and are open to discussing various flexible working arrangements. If you have specific needs or preferences regarding your work style, please apply and let us know.Job Applicants - Privacy PolicyKnow your rights document

Join Jane Street as a Network Engineer where you will play a crucial role in maintaining and enhancing our network infrastructure. You will work collaboratively with our engineering teams to design, implement, and optimize our network systems, ensuring high availability and performance.

Join our dynamic team at ncs3 as a Senior Unix/Linux Systems Engineer, where you will play a pivotal role in designing, implementing, and maintaining robust Unix/Linux systems. You will leverage your expertise to optimize system performance, enhance security protocols, and ensure high availability of critical services.In this position, you will collaborate with cross-functional teams to deliver innovative solutions while mentoring junior engineers and contributing to the overall success of our projects. If you are passionate about advancing your career in a fast-paced environment and driving technological excellence, we want to hear from you!

About the Role Jane Street is seeking a highly motivated FIX Onboarding and Connectivity Engineer to enhance our proprietary trading capabilities and client-facing trading operations. In this pivotal role, you will engage in the technical processes that empower our trading desks to access a diverse range of products and exchanges, while also facilitating the onboarding of external clients for trading with Jane Street. You will collaborate closely with our trading teams to drive business growth and partner with our technology teams to develop cutting-edge connectivity systems. At Jane Street, we foster a culture of learning and knowledge-sharing. While experience with FIX and other electronic trading protocols is welcome, we are eager to provide you with the specific training required to excel in our trading and technology environments. The majority of your responsibilities will revolve around onboarding and connectivity projects for both proprietary and client-facing trading initiatives. This involves prioritizing requests from trading desks, collaborating with developers, infrastructure engineers, and external stakeholders, and overseeing the onboarding process from inception to production. You will serve as a crucial link between our clients, trading teams, and technology teams, which will require excellent communication and coordination skills. Additionally, you should be comfortable using the Unix command line and developing code to deliver these projects successfully. We expect you to maintain a thoughtful and empathetic perspective on team dynamics and collaboration, suggesting improvements and promoting best practices. Your insights into project management and interdepartmental interactions will be highly valued.

Join our innovative team as a Red Hat Linux System Engineer where you will play a critical role in managing and optimizing our systems. You will be responsible for deploying, configuring, and troubleshooting Red Hat Linux environments, ensuring high availability and performance. This position requires a proactive mindset and the ability to work collaboratively in a fast-paced environment.

Execute monthly and ad-hoc patching for various servers as per contract obligations. Conduct ongoing performance tuning, hardware upgrades, and optimize resources as needed. Configure CPU, memory, and disk partitions accordingly. Generate monthly performance reports and collect server health statistics to support capacity planning initiatives. Perform level 1 troubleshooting and maintenance for storage systems, collaborating with level 2 storage teams for deeper troubleshooting and deployment of new storage solutions. Address additional server-related requests as they arise. Facilitate vendor escorts on the customer’s premises when required. Be available for rotating standby to handle night or weekend tasks as necessary.

Join our dynamic team as a System Engineer specializing in RedHat Linux, where you will play a key role in the administration and management of our IT infrastructure. Your expertise will ensure the seamless operation of various operating systems, hardware, and software platforms, enhancing system reliability and ensuring compliance with ITIL V4 standards.System Administration: Oversee and maintain systems across diverse platforms including Windows Server, Linux (RedHat, Suse, Ubuntu), Solaris, IBM AIX, and Oracle Linux.Software & Hardware Management: Manage components such as Active Directory, DNS, DHCP, Azure AD, clustering tools, file servers, SAN/NAS storage, and virtualization platforms.Monitoring & Troubleshooting: Proactively analyze performance issues across development, staging, production, and disaster recovery environments.Transition Management: Facilitate the transfer of responsibilities from existing vendors or internal teams.Compliance & Security: Uphold legal and internal compliance standards through regular patching and security updates.Documentation: Develop and maintain Standard Operating Procedures (SOPs), system configurations, and performance, security, and incident reports.Automation: Introduce tools to automate processes like provisioning, monitoring, and issue resolution to enhance efficiency.User Support: Deliver clear communication and support to users while managing privileged access.Backup: Collaborate with backup teams to ensure effective backup processes, scripts, and restore procedures are in place and tested.Access Control: Administer access rights in compliance with access policies.System Availability: Utilize enterprise monitoring tools to ensure system uptime and hardware maintenance.Disaster Recovery: Engage in the planning, testing, and execution of disaster recovery strategies.Configuration Management: Maintain up-to-date hardware/software configurations.Performance Tuning: Monitor and optimize system performance and configurations.Problem & Change Management: Lead issue resolution, perform impact analysis, and manage change requests for smooth implementation.Audit Compliance: Support audits by providing necessary data and addressing findings.Capacity Planning: Assess usage and forecast future system needs.Security Oversight: Establish and enforce security policies, conduct audits, and assist with investigations.

Join Akuna Capital:At Akuna Capital, we pride ourselves on being a pioneering trading firm with a strong emphasis on teamwork, state-of-the-art technology, and data-driven automation. As an options market maker, we are dedicated to providing competitive quotes for buying and selling. Our success is rooted in our ability to design and implement our own low-latency technologies, innovative trading strategies, and sophisticated mathematical models. With a flat organizational structure, every voice is heard, and the best ideas come to the forefront.Founded by visionaries including Andrew Killion in Sydney, Akuna opened its first office in 2011 in Chicago, the global hub for derivatives and options trading. Our reach has since expanded to include offices in Sydney, Shanghai, Singapore, and London.Your Role as a Systems Engineer:We are seeking a skilled Systems Engineer to ensure the optimal health of Akuna’s Linux server platform. This role involves the design, deployment, and maintenance of our high-performance platform that underpins our trading operations. You will automate daily software and hardware tasks while developing and maintaining scripts and tools. The ideal candidate is self-driven, proactive, and capable of managing projects with minimal oversight. In this position, you will:Explore new products and techniques to enhance efficiency and performance.Architect and maintain a tiered storage solution.Oversee the management of Akuna’s server infrastructure across both third-party and local data centers.Engage in system analysis, monitoring, performance tuning, and provide additional support as necessary.

As a Technical Product Manager at Jane Street, you will play a crucial role in bridging the gap between technology, business, and user experience. You will collaborate with cross-functional teams to define product vision, prioritize features, and ensure successful product launches. Your analytical mindset and strategic thinking will drive innovative solutions that enhance our trading systems.

About the Role Jane Street is seeking a dedicated Cybersecurity Detection and Response Analyst to join our dynamic team in Singapore. In this pivotal role, you will play a key part in safeguarding our employees, data, and infrastructure from the ever-evolving threats of the internet. As a cybersecurity analyst, you will develop and utilize advanced monitoring tools to protect our firm while also managing incident responses and remediation efforts when threats arise. Our team prides itself on being at the forefront of cybersecurity developments, capable of distinguishing between the latest research hacks and the critical issues that impact our daily operations. In this position, you will thoughtfully assess the context of our cybersecurity strategies, weighing the trade-offs involved in resolving complex security issues. You will employ a systematic approach to conduct unstructured investigations aimed at identifying and rectifying security vulnerabilities. While some of your responsibilities will involve operational coverage, you will also engage in projects designed to enhance our detection capabilities, automate processes, and improve overall efficiency. You will have opportunities to lead threat hunts, further developing your skills and making a significant impact. As a representative of best practices within the organization, you will foster an environment where all team members embrace robust personal cybersecurity hygiene and can effectively communicate its importance to others. A key aspect of success in this role is your ability to guide your colleagues on their cybersecurity journey, and you should be passionate about learning from your peers and sharing knowledge with new analysts.