Jane Street Group, LLC jobs

Production Engineer Singapore About the Position We are hiring Production Engineers in our Hong Kong and Singapore office. Jane Street Production Engineers are software developers who spend time both developing software and also providing high-quality support for software systems that are critical to Jane Street's trading business. Many of our Production Engineers are embedded in various software teams; others are in standalone teams. In both situations we work alongside application developers with a common goal of creating and running great software systems. As a firm we are big believers in functional programming, and use OCaml as our primary development language. Production Engineers play an essential role interacting with a wide variety of departments and functions at Jane Street. We solve real-time issues and make a firm-wide impact. We take ownership of the architecture and design of systems th at monitor and support the firm's trading. We also design and develop the tools that we use, and it feels great to be able to shape these tools and then enjoy the improvements. If you'd like to learn more, you can read about Production Engineering at Jane Street . How is a Production Engineer role different from a generic Software Engineering role? As Production Engineers: - We split our time between OCaml software development project work and a support rotation, in which we actively resolve live issues in Jane Street's critical systems - We are curious and eager to learn about a number of different systems and how they fit together. This

IT Operations Engineer Hong Kong, Hong Kong About the Program Our goal is to give you a real sense of what it's like to work at Jane Street full time. Over the course of your internship, you will explore ways to approach and solve exciting problems within your field of interest through fun and challenging classes, interactive sessions, and group discussions - and then you will have the chance to put those lessons to practical use. As an intern, you are paired with full-time employees who act as mentors, collaborating with you on real-world projects we actually need done. When you're not working on your project, you will have plenty of time to use our office amenities, physical and virtual educational resources, attend guest speakers and social events, and engage with the parts of our work that excite you the most. If you've never thought about a career in finance, you're in good company. Many of us were in the same position before working here. If you have a curious mind, a collaborative spirit, and a passion for solving interesting problems, we have a feeling you'll fit right in. Learn more about Jane Street's internship program here. About the Position If you are imagining a daily routine that involves making copies and watching as someone turns a computer off and back on, think again: this is not your typical IT internship. We will train you as if you're joining our full-time team of IT Operations Engineers who are responsible for

Data Centre Engineer Hong Kong, Hong Kong About the Position We are looking for an experienced Data Centre Engineer who can help our team keep Jane Street's data safe and accessible around the clock, which will involve a mix of hands-on work in our data and colocation centres, process thinking and project management. Your work will mostly involve designing, building, scaling and performing daily upkeep in our regional data and colocation centres. You'll also get to collaborate with really talented people from all different areas of expertise across Jane Street to optimise our data environments and prevent major problems before they happen. You will join an interdisciplinary team made up of several groups across Jane Street, including our Network, Server, Facilities Engineering, Market Data and Trading teams, along with some external data centre operators, colocation and smart hands service providers, and cabling, hardware and telco vendors. Together, you will: - Design plans for new equipment deployments using data centre best practices - Coordinate logistical tasks across locations, including procurement, shipping, moving and keeping inventory of our equipment, cabling and parts - Install and configure server OS in a PXE environment (fundamental Linux knowledge is required to deploy our network equipment) - Install, cable, configure and troubleshoot different types of network and server equipment - Ensure that all our data centres uphold the highest standards in terms of security, organisation, documentation, safety, cleanliness and supply management This role provides on-location services that are crucial to our daily operations in Hong Kong,

Campus Recruiter Hong Kong, Hong Kong About the Position We are looking for an experienced Campus Recruiter to help us find and hire outstanding interns to join Jane Street. We're focused on growing and diversifying our recruiting efforts, and the candidate landscape is more competitive than ever-your input will be critical as we work to stay ahead of the curve. We're looking for someone who can manage their own pipeline while also bringing fresh ideas to our approach and processes. This will require finding solutions to big, interesting problems while also getting the details right. You will be instrumental in helping to grow our internship and in-house programme pipelines. Your day-to-day work will involve facilitating interviews, sourcing and pipelining, maintaining real-time updates in our applicant tracking system and data reporting tools and assisting with various recruitment events. Our team has a long record of hiring great recruiters and coaching them to their full potential, and we spend a lot of time teaching our new hires the ins and outs of recruiting at Jane Street. This includes a thoughtful onboarding process that offers a deep dive into our big-picture strategy and how it applies to our daily work. Over time, we will continue to support your professional growth with hands-on training and mentorship. Our Recruiting team is an energetic, tight-knit team of people who believe Jane Street's greatest assets are the people working around us. We love what we do, and who we work with-and this drives our passion for connecting

Tools & Compilers Research and Development London, England, United Kingdom About the Position We are excited to announce research internships in our Tools and Compilers group. We're looking for PhD and masters students with outstanding research experience in programming languages, compilers, verification, and related areas. Jane Street's Compilers team focuses on improving OCaml as a foundation for Jane Street's ever-growing technology stack, in collaboration with the greater OCaml community. We work on many different aspects of the compiler, aiming to make it easier for developers to express their ideas in OCaml, to improve the performance of the generated code, and to make the OCaml compiler itself faster and easier to use. Over the years, we extended the type system with support for novel language features, re-engineered the optimizer ground-up, and added feedback-directed optimization. We also extend and enhance the surrounding toolchain, working on tools for profiling, debugging, documenting, and building automation. The vast majority of our work is open-source, and we upstream as much as we can to the mainstream OCaml compiler. During the application process, we will work with you to identify a project that aligns with your research expertise and interests. Examples of areas we are interested in exploring include: - Type systems that track locality and uniqueness - Superoptimization - Compiler testing and validation During the internship, you will work in collaboration with your mentors on one project for about 10-12 weeks. You'll learn how we use OCaml in our day-to-day work, and gain exposure to the

Campus Recruiter, Technology Hong Kong, Hong Kong About the Position We are looking for an experienced recruiter to help us find and hire outstanding interns to join our Software Engineering teams at Jane Street. We're focused on growing and diversifying our recruiting efforts, and the candidate landscape is more competitive than ever - your input will be critical as we work to stay ahead of the curve. We're looking for someone who can manage their own pipeline while also bringing fresh ideas to our approach and processes. This will require finding solutions to big, interesting problems, while also getting the day-to-day details right. During the campus recruiting season, you'll get into the weeds with a high volume pipeline of full-cycle candidate management. The observations and lessons learned during each season will inform your suggestions on ways we can optimise our approach. Our team has a long record of hiring great recruiters and coaching them to their full potential, and we spend lots of time teaching our new hires the ins and outs of recruiting at Jane Street. This includes a thoughtful onboarding process that offers a deep dive into our big-picture strategy and how it applies to our daily work. Over time, we will continue to support your professional growth with hands-on training and mentorship. Our Recruiting team is an energetic, tight-knit team of people who believe Jane Street's greatest assets are the people working around us. We love what we do, and who we work with - and this

Quantitative Trader Hong Kong, Hong Kong About the position Our goals are to give you a real sense of what it's like to work as a quantitative trader at Jane Street while also providing a truly unparalleled educational experience. You'll be paired with experienced quantitative traders who will teach you how to identify market signals, analyze and execute strategies, construct quantitative models, conduct statistical analysis, and build trading intuition. You'll work closely with two different mentors on projects relating to their day-to-day work, giving you a sense of the variety of problems we solve every day. Past projects have included analyzing new or existing datasets, training predictive models, simulating potential new trading strategies, writing tools that we use in production, and even working to answer big-picture questions we haven't yet figured out. This work is reinforced with intensive classes, workshops, and team-based mock trading sessions. These will expose you to many of the dynamics we observe in real markets, illustrate the role that we play in making markets more efficient, and help build intuition for how we think about both trading and collaborating. At Jane Street, the lines between research, technology, and trading are intentionally blurry. As our strategies grow more sophisticated, close collaboration is essential for continuing to push the boundaries of what's possible. We work with petabytes of data, have a computing cluster with hundreds of thousands of cores, and a growing GPU cluster containing thousands of high-end GPUs. We don't believe in “one-size-fits-all” modeling solutions; we are

Sales Trader Hong Kong, Hong Kong About the Position We are looking to hire an experienced Sales Trader to make an immediate impact on the client-relations side of our growing institutional trading team. In this dynamic role, you'll serve as a front-facing representative of Jane Street and a valued liaison between our sales and trading teams and institutional clients. You'll be a primary point of contact for our clients across ETFs, corporate bonds and listed derivatives, facilitating trade execution across the entire life cycle. This is the core of the role but the people who excel are the ones who turn reliable execution into lasting partnerships, positioning Jane Street as their clients' go-to for current and new execution needs. You'll bring clients thoughtful pre- and post-trade analysis, anticipate what they're trying to achieve, and consistently deliver an excellent and enjoyable client experience. The right candidate will have superb interpersonal skills and a genuine enthusiasm for building trust with sophisticated clients over time. You'll combine strong commercial instincts with analytical depth, allowing you to anticipate client needs, spark new conversations, and thrive in a team that has built a culture of trust, respect, and collaboration. About You - Have 5+ years of experience in sales trading, preferably from the sellside covering buyside clients or execution trading on the buyside - Demonstrated success in managing and building external relationships, particularly customer relationships - Able to demonstrate critical thinking skills and implement ideas in a fast-changing environment - Motivated, collaborative and experienced teaching

FIX Onboarding and Connectivity Engineer Hong Kong, Hong Kong About the Position We are looking for a FIX Onboarding and Connectivity Engineer to help us grow both our proprietary trading capabilities and client-facing trading business. This role involves working on the technical processes that enable our trading desks to access new products and exchanges, while also onboarding external clients to trade with Jane Street. You'll work closely with our trading teams to help them grow the business, and with our technology teams to build state-of-the-art connectivity systems. Jane Street is a place where people come to learn new things (and to eventually teach others what they know). While we welcome experience with FIX and other order flow/electronic trading protocols, and value software engineering backgrounds, we're excited to teach you the specifics of our trading and technology. The majority of your time will focus on onboarding and connectivity projects across both proprietary and client-facing trading. This will involve prioritising requests from the trading desks; working with our developers, infrastructure engineers, and external parties; and seeing the onboarding process all the way through to production. You will often find yourself bridging the gap between our clients, trading teams, and technology teams, requiring strong communication and coordination skills, but you will also need to be comfortable navigating the Unix command line and developing code of varying complexity to deliver these projects. Through this work, we will expect you to keep a thoughtful and empathetic perspective on the way the team functions and collaborates

Software Engineer Hong Kong, Hong Kong About the Program Our goal is to give you a real sense of what it's like to work at Jane Street full time. Over the course of your internship, you will explore ways to approach and solve exciting problems within your field of interest through fun and challenging classes, interactive sessions, and group discussions - and then you will have the chance to put those lessons to practical use. As an intern, you are paired with full-time employees who act as mentors, collaborating with you on real-world projects we actually need done. When you're not working on your project, you will have plenty of time to use our office amenities, physical and virtual educational resources, attend guest speakers and social events, and engage with the parts of our work that excite you the most. If you've never thought about a career in finance, you're in good company. Many of us were in the same position before working here. If you have a curious mind, a collaborative spirit, and a passion for solving interesting problems, we have a feeling you'll fit right in. About the Position As a Software Engineering intern, you'll learn how we use OCaml (our primary development language) in our day to day work, and gain exposure to the libraries and tools that are foundational to our internal systems. Some teams also use Python, so depending on the project, you might do some work with Python as well. During the internship, you'll

European Natural Gas & LNG Analyst/Trader London, England, United Kingdom About the Position We are looking for an experienced natural gas analyst/trader to help our team develop our existing fundamental-driven trading. The ideal candidate will be capable of providing deep insight into the European and/or Global gas market, driving and owning modelling and associated trading strategy. The role sits within the global Commodity team, which covers a wide range of products and strategy types within Jane Street's core quantitative trading strategy. The right person will have a strong fundamental background in natural gas and enjoy working in a fast-paced and collaborative environment. About You - 3+ years of professional experience in analyzing European natural gas fundamentals - Exposure to building part or all of the Global LNG S&D balance is a plus - Strong analytical capabilities - Experience with oil or gas physical markets is beneficial - Proficiency in statistics - Coding skills are a plus - Fluency in English required If you're a recruiting agency and want to partner with us, please reach out to [email protected] .

Linux Engineer Hong Kong, Hong Kong About the Program Our goal is to give you a real sense of what it's like to work at Jane Street full time. Over the course of your internship, you will explore ways to approach and solve exciting problems within your field of interest through fun and challenging classes, interactive sessions, and group discussions - and then you will have the chance to put those lessons to practical use. As an intern, you are paired with full-time employees who act as mentors, collaborating with you on real-world projects we actually need done. When you're not working on your project, you will have plenty of time to use our office amenities, physical and virtual educational resources, attend guest speakers and social events, and engage with the parts of our work that excite you the most. If you've never thought about a career in finance, you're in good company. Many of us were in the same position before working here. If you have a curious mind, a collaborative spirit, and a passion for solving interesting problems, we have a feeling you'll fit right in. About the Position As a Linux Engineering intern, you'll work side by side with full-timers to learn how we maintain and improve the critical infrastructure underlying our firm's technology, including our production trading systems. On any given day, we might be debugging kernel performance, developing management tools, or resolving production issues in real time. Our mix of in-house and open source software

Cybersecurity Analyst Hong Kong, Hong Kong About the position We're looking to add a passionate Cybersecurity Detection and Response Analyst to our Hong Kong office to help protect Jane Street's employees, data and infrastructure from the wilds of the internet. This is not (just) an eyes-on-glass, click ops role-our cybersecurity analysts are also responsible for developing the tools and systems we use to guard the firm. Think about this role as some combination of incident responder, detection engineer, security engineer, SOC automation engineer, threat hunter, threat modeler and security awareness engineer. Our SOC team is involved in engineering (e.g., we built our own SOAR, email content scanning system, the entire alerting stack and much more) and we handle the incident response and remediation when a threat is found. Our analysts research and prioritise what threats need to be monitored, hunt for them in our data, write code to detect them and constantly tune the detection to prioritise quality over quantity. We maintain full control over the alerts we respond to, and own all stages of the detection and response lifecycle. Our Cybersecurity team is a skilled group of programmers and security experts who are dedicated to keeping the firm safe. We consider ourselves to be tapped into developments in the broader cybersecurity space, and can tell the difference between the latest cool hack by security researchers and what actually matters in our day-to-day. In this role, you'll carefully consider the context of our decisions as we think about the tradeoffs

Staff UX Designer London, England, United Kingdom About the Position We are looking for Staff UX Designers capable of producing elegant design solutions, while also cultivating an environment for sustainable design growth at the firm. You will be placed on one of various teams within our Technology groups, depending on your particular background and focus. Collaboration amongst teams and users across a wide variety of disciplines is integral to Jane Street, so we're very invested in building an intentional design culture that helps our colleagues do their best work. The interest in partnering with people who bring user experience process and thinking to projects has grown in parallel with the scale of the firm. You will be joining at an inflection point: we are actively growing our design talent to meet the demand. With direct access to a diverse user community, you will lead initiatives to help your team understand what people need to do their jobs, and apply user research to help scope what products need to be built to address those needs. You will also help teams better understand how to approach user-centred research and how they can deploy these methods early and often during the product life cycle. Demonstrating design craft is critical to the daily work of this role. As you scope work to be done in partnership with your team, you will sketch, storyboard and prototype possible solutions for better experiences. We will expect you to distil the complex routines of our user communities into

China Sales Hong Kong, Hong Kong About the Position We are looking to hire an established and experienced Sales Specialist focused on the China market. Based in Hong Kong, this addition to our team will be a valued liaison to our institutional clients and play a formative role in helping our team develop a strategy for the region. You'll work closely with colleagues across the firm to expand our client coverage and improve our client servicing. We'll lean on your deep knowledge of the China market and the industry as we identify potential institutional clients and communicate our full range of services and products to them. This is a people-focused role that relies heavily on building and maintaining relationships. You'll be expected to travel and join client meetings, directly engage clients and prospects on their investment objectives and trading styles, and represent the firm externally to various partners. We're looking for someone who has a deep understanding of sales and/or sales trading, as well as some knowledge in financial products such as ETFs, Equities, or Fixed income. We'll need someone who is able to quickly comprehend the complexities of our business, as you'll be the person cross-selling with institutional clients when appropriate. In addition to working closely with the rest of our Institutional team, you'll work with our Trading team, as well as groups such as Marketing, Strategy and Technology to provide feedback and further develop Jane Street's offering to our APAC client base. About You - 10+ years of

Financial Resource Management Specialist London, England, United Kingdom About the Position We are looking for skilled analysts to join our Finance group. Our team, like the rest of Jane Street, are critical thinkers and problem solvers. We are ultimately responsible for managing the capital base the firm uses for trading. Much of what we do is constrained optimization - working with and providing costs to trading desks, managing our positions across providers subject to a vast set of limits and constraints, and strategizing how to support future growth. We're also responsible for the modeling, monitoring, operational processes and infrastructure that enable it. In this role, you'll work closely with colleagues within the group, with other teams throughout the firm and across offices, and with external counterparties - taking on responsibilities including: - Monitoring the firm's capital usage and cost allocation systems, including triaging, escalating, and actioning alerts - Translating qualitative recommendations into system configuration and parameter changes - Reconciling internal and external margin and billing models, including liaising with our external counterparts - Executing various funding and financing trades - such as FX balance management, equity position financing, and funding treasuries - Operating firm-wide position management systems that shape our book based on various costs and constraints - Maintaining and improving desk infrastructure by automating workflows, building new monitoring and visualization tools, and supporting ad-hoc requests from the team - Identifying material financing cost inefficiencies and establishing mechanisms to optimize them going forward There is ample room for growth in

IT Security Engineer New York, New York, United States About the Position We are looking for an IT Security Engineer with a strong Windows engineering background and practical exposure to modern platform security controls to join a global team dedicated to securing Jane Street's IT platforms. In this role, you will help secure our internal IT and remote working platforms through a combination of hands-on technical work, consultancy, and security influence to the wider IT team. The ideal candidate will demonstrate strong judgment and discerning taste in prioritizing potentially complex and extensive remediation efforts. We'll lean on you to suggest where to focus our mitigation efforts, and to provide both technical advice and decision making on behalf of the group where needed. This role will encompass a range of responsibilities, including: - Proactively proposing, designing, testing, implementing, and documenting strategic security controls - Coordinating and delivering security solutions across our IT platforms while identifying opportunities to further automate intelligent workflows - Building security controls that scale, investigating emerging threats, developing new security tooling, and driving vulnerability management initiatives This position sits within our IT Engineering group, a highly dedicated team of engineers who monitor and manage our environment across a physical/virtual computing landscape spanning three continents. Your analytical thinking and expertise will be invaluable as we support the daily work of our colleagues and keep our systems operating at the highest standard. About You - Proficient in securing Windows OS platforms and resolving complex technical issues in a fast-moving environment

Domain Specific Language Engineer New York, New York, United States About the Position We're looking to hire a Software Engineer with experience working on programming languages. Our team maintains a framework used at Jane Street for a wide variety of purposes, including financial modeling, risk calculation, and custom alerting. Our system evaluates, in real time and in parallel, a large, irregular, and dynamic graph of calculations, described in a custom ML-like programming language. This role focuses on improving and maintaining the language and surrounding ecosystem through a wide range of areas: core language features, standard library management, editor integrations, and more. The language is widely used for critical firm functions, yet offers substantial opportunity for extension and improvement. You should be able to balance the work of understanding and supporting existing uses, as well as organizing and driving new functionality. About You - You have a background in programming languages - You are excited to build out a widely used, but relatively young language - You are eager to work with a wide variety of end users, and to help build tools that empower them - No previous experience with OCaml or functional programming languages is required If you're a recruiting agency and want to partner with us, please reach out to [email protected] .

Cybersecurity Detection and Response Analyst Singapore About the Position We're looking to add a passionate Cybersecurity Analyst to our Hong Kong or Singapore office to help protect Jane Street's employees, data and infrastructure from the wilds of the internet. Our cybersecurity analysts are responsible for developing and using monitoring tools to guard the firm, as well as handling incident response and remediation when a threat is found. Our team considers itself to be tapped into the developments happening within the broader cybersecurity space, and able to tell the difference between the latest cool hack by security researchers and what actually matters in our day-to-day. In this role, you'll carefully consider the context of our decisions as we think about the trade-offs we're making in our approach to resolving cybersecurity issues. We'll expect you to apply a methodical approach to performing unstructured investigations to locate and repair the source of a security issue. While there will be an element of operational coverage, your time will also be spent on projects to improve our detection capabilities, automation and efficiencies, as well as performing threat hunts, allowing you to grow your skill set and impact. You will also act as an ambassador of best practices to the rest of the firm. All of our team members understand and practise good personal cybersecurity hygiene, and are able to talk to others about it. A key component of doing well in this position is bringing everyone else along with you on the cybersecurity journey, and

Financial Reporting Accountant Hong Kong, Hong Kong About the Position We are looking for a qualified accountant to join our Financial Reporting team. In this role, you will primarily maintain the books and records for our APAC businesses and work with our regional and global accounting teams to prepare monthly and annual financial statements. Additional responsibilities of the role will include: - Preparing or reviewing various accounting reconciliations and financial schedules that support the financial statements - Collaborating with outside auditors and advisors, interpreting GAAP and documenting accounting policies and internal controls - Working closely with other team members, including members of our accounting-specific technology team, to improve and automate processes At Jane Street, we always look for the best solutions to complex problems-and that mindset extends to our accounting function. Since our legal and regulatory environment is constantly shifting, we are looking for a proactive, detail-oriented person who can jump into our fast-paced environment and take ownership of delivering high-quality work on time. About You - Have a bachelor's degree and are a qualified accountant with relevant accountancy credentials - Have 3+ years of experience in an accounting role, including experience with preparing financial statements and account reconciliations - Have a solid understanding of IFRS (knowledge of US GAAP is desired but not essential) and are preferably familiar with relevant regulatory regimes - Organised with great communication skills; able to build strong collaborative relationships across various groups within the firm - Self-motivated to improve processes where possible - Have

Experienced Hire Recruiter, Non-Technology Hong Kong, Hong Kong About the Position We are looking for a Recruiter to support our experienced hire team as we find, interview, and hire non-technical professionals in our Asia offices. Your impact will be significant, as in many ways you will be a candidate's first introduction to the firm. All of our recruiters provide a nuanced, white glove service to the candidates we interact with daily and the internal teams who are looking to hire them. We get the little things right and create connections with our candidates, aiming to be responsive and helpful during the entire recruitment lifecycle. Along with day-to-day candidate management, you'll have the opportunity to bring fresh ideas to our recruitment approach across all non-technical hiring areas and think about ways to improve our creative sourcing methods, pipelining, and how we position the firm and our teams in an increasingly competitive market. We'll teach you the big picture strategy behind our approach and how we apply it to our daily work. Over time, you'll continue to benefit from ongoing opportunities for learning and development. At Jane Street, our people are our most important resource. We've developed an exceptional search and interview process to find over 2,500 of the strongest hires from all corners of the world but we know there is more work to be done. When it comes to our next great idea, the sky's the limit. About You - 3+ years of professional recruiting experience in financial services or

Campus Recruiter, Machine Learning and Quantitative Research New York, New York, United States About the Position We are looking to hire a Campus Recruiter to help us develop strategy and grow our recruiting efforts as we identify, interview, and hire interns and new graduates for both our Research and Machine Learning Research teams. You will help us plan, organize, and execute our internship programs for both teams in our New York office. Hiring the right people is one of the most important parts of our business. We have developed a dynamic recruitment strategy and engaging interview process to find and hire some of the best and brightest new talent from all corners of the world. But our campus recruitment efforts are growing fast, and we need additional strategic thinkers to help us stay ahead of the curve. We are looking for someone who can deliver excellent day-to-day candidate management while also zooming out with members of Recruiting and teams across Jane Street to think about what we can be doing better, and where our recruiting efforts need to go next. Our ability to get the little things right, stay responsive and helpful, and create connections with our candidates is what drives our recruiting success. You'll need to be highly organized with excellent attention to detail and a roll-up-your-sleeves, no-job-too-small attitude. Your ability to balance efficiency with genuine empathy for candidates will make you a valuable addition to all aspects of the team. About You - Have 8+ years of professional

Data Center Mechanical Engineer New York, New York, United States About the Position We are looking for an experienced Data Center Mechanical Engineer who can help Jane Street shape how we approach cooling our data centers. It's no small task-this critical role will directly support our data centers which powers our trading operations. We are looking for someone with a deep understanding of the full data center infrastructure stack. We need someone who understands how a data center is designed, built, and used for the most demanding AI workloads. While we won't ask you to be racking and stacking, we need you to have a deep familiarity of the work within the facility; a “jack of all trades” understanding up and down the technology and infrastructure stack from the power and cooling distribution to the chip level. You'll help us shape and support everything; the operation, management, and monitoring of the thermal environment. You are going to bridge the gap between theory and practice - between our high-level thinking around strategic design and the practical conversations around compute and associated constraints with the physical infrastructure. Responsibilities of the role will include: - Working closely with internal engineers as well as external vendors and consultants to design, implement, and monitor the operation of our data center power and cooling systems - Consulting internally with technology stakeholders to understand our compute needs and how they translate to our infrastructure needs - Develop and review design documentation, including cooling and power calculations, CFD

Events Specialist London, England, United Kingdom About the Position We are looking for an Events Specialist to join our Workplace Services and Experience team who can help expand the events offered in our London office. The right person will have a service mentality and enjoy building relationships with all sorts of teams across our firm to understand their team goals and what types of events would best suit them. Our colleagues are key to our firm's success, and we work hard to find opportunities for them to connect with our culture and each other. We aim to offer events that support the broader goals of the firm, while also keeping people feeling engaged, supported, and excited to come to work. We also use our event offerings to shape the way people outside of Jane Street interact with our firm, including students and professionals who are looking to work with us. You will be indispensable to both pieces of this effort, designing, planning, and executing events for both current employees and university recruits in our offices. Responsibilities of this role will include: - Full-scale event management, including developing an event strategy that considers each stakeholder's input, logistical coordination, creative design, content development, vendor management, venue selection and coordination, budget management and reconciliation, RSVP management, and on-site event day support - Building relationships with department and desk heads to proactively plan, execute, and promote high-quality events - Establishing event objectives and measures for success - Maintaining a database of all event details