Susquehanna International Group, LLP

Overview An opportunity exists for aCo-locationOperations (ColoOPs) engineer to joinourLow Latency TradingColoOps Infrastructure Technology teambased inLondon, reportingintothe Dublin Infrastructure Technology team.As part of a multi-skilledteam,you will beprimarilyresponsible for the day to day running of our Colocation sitesinLondonandmainland Europe.Experience working inFinancialtrading exchange specific Data Centres is necessary for this role.Flexibility isrequiredfor the purposes of both travel and collaborating with core trading business hours.You will alsobe requiredto traveltoour Dublin office, if not basedin Dublin,from time to timeto buildupyourknowledge of the Susquehannalow latency Tradinginfrastructure and requirements for our Colo buildouts. What you can expect As part of ourColoOPS team, yourmain focuswill be onworking ontheday-to-dayonsiteoperationsand optimisations in our trading venues. ThesuccessfulEngineer will help growand optimiseSusquehanna'stradingfootprint and Data Centre presenceinLondonand mainland Europe.You will help implementthefit out and management of new data Centre infrastructures as well as make improvements and upgrades to the current environmentbased on Susquehanna's low latency trading R&D driven enhancements coming from Dublin. Support the day Colo team on site and plan and prepare for the next Colo visit, resolving issues, closing out onJIRAs'and supporting planned maintenance. You will followColoOps installation processes and procedures to ensure that all Racking & Cablingof hardware within cabinets is completed to a high standard. Respond to allrelevant trading colocationrelated issues and perform regular scheduled out of hour's maintenance window activities. Receipt, tracking and deployment of server and network hardware. Documentation of Colo infrastructure. Follow and implement processes and procedures that improve stability,performanceand availability Liaise with Dublin Low Latency Trading R&D(EMO)team to deliver solutions from our Dublin lab to ourproductiontradingcolos. As aColoOps teammemberyou willbe responsible forensuring projects and plans are delivered to agreed scope,milestonesand budgets Communicate and collaborate effectively across all departments within Susquehanna. Plannedtravel tootherEuropean Data Centre locations to aid in capacity expansionand new Tradingcoloprojects. OnCallis expected as part of the role. What we're looking for Technical Degree or equivalent experience Experience working within a high availability & high security Data Centre environment Data Centre, Network and Server installation and support in troubleshooting and break-fix experience Experience following andmaintainingData Centre industry best practices Cable management to an extremely high standard, specific to low latency trading. Measurement of optic fibres using Optical measurement tools StrongAttention to detail Data Centre documentation and asset tracking Arista,Ciscoor equivalent network hardware experience Knowledge of power distribution systems Some knowledge of hardware monitoring systems would beadvantageous Ability to plan and complete tasks with minimal direction Ability to work at heights and lift server & network hardware regularly Familiarity with Linux to advanced user or basic administrator level Familiarity with Windows Server2016/2019/2022to advanced user or basic administrator level Ability to perform basic port configuration on switches A validpassport isrequiredfor the purpose of travel withinthe EU. 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.

Susquehanna International Group, LLP is searching for talented Software Development Graduates to join their London office in September 2026. You will work closely with experienced technologists, participating in the development of innovative software solutions using languages such as C#, C++, and Python. The role entails not only technical development but also collaboration on real challenges in the trading systems domain, fostering an environment that values learning and creativity.

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 Who you are: 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. 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.