SIG Susquehanna

Overview Susquehanna is seeking talented graduates to join their growing London office in September 2026. As a Software Development Graduate at Susquehanna, you will be working with senior technologists from the beginning of your programme who will act as your mentors throughout. Your role will allow you to get involved with the development teams building cutting edge technologies. You will be working with Software Developers who have a constant focus on evolving a stable, scalable, optimized environment with minimized risk. Our growing team of analysts, developers, infrastructure engineers and support specialists design, deliver and optimize industry leading technical solutions that can process large amounts of data, ensuring high performance and stability. What we're looking for Technical: You have strong software development skills in any object oriented language (we use C#, C++ & Python mostly). You also understand algorithms, data structures, and object oriented design patterns. Problem Solver: When it comes to solving problems, you use clear and sound reasoning. You're rational and like to use numbers and data to come up with sensible solutions. Curious: You're eager to learn and develop new technologies. You're inquisitive and creative, questioning the status quo. Communicator: You enjoy building relationships with those you work closely with. You enjoy sharing ideas, expressing your thoughts, and listening to the views of others. Ambitious: You constantly set yourself goals in life and give your all to achieve them. You're not afraid to put in the effort to reach your full potential. Education: You will be graduating in 2026 from a Computer Science, Engineering, Mathematics, Physics or related STEM bachelor's or master's degree. Prior experience in finance or trading is not necessary. What's in it for you Education: Our education and training is industry leading. Getting a "big picture" perspective of our technology is important. You will also join industry lectures to understand trading and delve deeper into the crucial role that technologists play in Susquehanna. We provide a variety of technical classes to get you up to speed on any technologies that will be needed for success in your role. These include C#, C++, Python. Real Impact: Through a combination of hands on and classroom discussion, you will learn how we solve the real technical challenges of building and maintaining the best trading systems. You will learn about our use of leading edge hardware and software technologies. With other developers and traders, you will collaborate on live challenges, improvements, and technical issues which are key to the ongoing success of the business. Culture: Our non-hierarchical culture allows employees of every level to thrive. We are not your typical trading firm - the environment is casual, collaborative and we focus on continuous development, no matter how long you've been in Susquehanna. Interview Process Apply Technical Screen Recruiter Interview Technical Interview Final Interview Offer Note: You must be available to begin in September 2026 to qualify for this role. Susquehanna is an equal opportunity employer. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruitment process, please contact us. About Susquehanna Susquehanna is a global quantitative trading firm founded by a group of friends who share a passion for game theory and probabilistic thinking. We have incorporated this approach into our culture, where you will find relentless problem solvers within each of our core disciplines: Trading, Technology, and Quantitative Research. From offices around the world, our employees collaborate to make optimal decisions and are driven by the desire to achieve winning results together. What we do We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized, allowing for a deep understanding of unique drivers of each asset class.

Overview Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting edge technology, we excel in solving complex problems and pushing boundaries together. Susquehanna is looking for a London Support Engineer, who will join our existing London Support team responsible for supporting all teams in Susquehanna's London office which is primarily a highly advanced trade floor. This is a very demanding and varied environment that covers a range of user services for all Susquehanna's London employees. Telecommunications support (including IPC Turret, Cisco Phone, and mobile support) Desktop Support (SCCM Builds, all hardware and software support) Application Support (desktop trading apps, BBG Terminals, Office) Web conferencing and AV administration and support Coordinate and support all visitors, moves and onboarding Inventory Management Printing Support This role involves working in an energetic, dynamic, and fast paced environment providing full support for all employees in London. You will display strong technical ability when making critical support judgments while working under pressure. As a member of the London Support team, you will participate in early morning and late evening shifts and may also be requested to support out of hours work where required. You will collaborate with teams locally, in the Dublin office, and across other offices globally to provide excellent support and services to the business. What we're looking for Provide 1st and 2nd level support - working closely with the software development teams and system architects to provide essential primary support for all desktop software and hardware systems - using tools such as Jira, Confluence, Splunk, WinDbg, Check_MK and Wireshark. Continuous evaluation and improvement of support procedures, development and implementation of required/agreed tools and associated runtime environments. Interact with various internal IT support functions to troubleshoot and resolve problems as they happen. Liaise with technology teams in Ireland, the US and/or external vendors as required. Maintain our Knowledge Base and ensure all relevant run books are up to date. Experience 3+ years providing desktop support for software and hardware systems. Development or trading user support experience is beneficial. Excellent working knowledge of Windows desktop OS Win bit. Ability to monitor and diagnose desktop issues. Ability to modify the system registry for configuring the Windows operating system. PowerShell scripting would be an advantage. BSc in a technical discipline or equivalent experience. Experience working with SCCM would be an advantage. Excellent knowledge of MS Office (2003/2010/2016/O365), in particular Excel. Strong knowledge of Active Directory. Strong working knowledge of peripherals, printers, graphics cards. Hardware experience (KVM switches, multiple screens set up 4x 4k screens , ability to replace components such as graphics cards, CPUs, etc.). BSc in a technical discipline or equivalent experience. Personal Skills Initiative - proven record of seeking continuous improvement and implementing best practice in a technology environment. Ability to work under pressure and tight deadlines. Self motivated and creative. Strong communication (verbal and written) - ability to convey technically complex subjects in a clear and concise manner. Attention to detail - thorough in work carried out. Interpersonal - friendly and approachable. Teamwork - working together to meet deadlines. Excellent time management, organization and prioritization skills. Flexibility - all members of the team participate in early morning and out of hours support schedules. Desire to learn and improve skills and knowledge.