Strat Ae Roa South in London

Chicago Trading Company (CTC) is a premier proprietary trading firm specializing in options market making. Our collaborative culture fuels innovation in quantitative research, systematic trading strategies, and cutting-edge trading technology. For over three decades CTC has provided critical liquidity across derivatives exchanges worldwide - making them fairer, more transparent, and more efficient. We strive to be the most innovative firm in the industry today, tomorrow, and long into the future while upholding ethical excellence. We believe that CTC makes a positive impact on the markets, the lives of our employees, and all the communities to which we belong. Started in 1995 by a team of forward-thinking Traders, we are proud to call ourselves an industry leader that keeps making markets and each other better. Are you excited by the opportunity to be part of a dynamic trading environment that values teamwork and collaboration? Do you thrive in an innovative atmosphere? If so, we encourage you to consider Chicago Trading Company! The Role The Quant Trading Associate (QTA) role is our entry-level position within our Trading and Quant organization and gives you broad exposure to the whole business as you work towards graduating from the Associate Program and assuming a role as a Quant Trader or Quant Researcher. As a QTA, you will work in a high-impact role as a member of a trading or quantitative team. You will play a vital part in identifying trading opportunities and impacting your team through dynamic problem solving — including trade execution, strategy formulation, back-testing, data analysis, and the modeling and pricing of traded financial derivatives — while communicating with traders, risk managers, software engineers, and quants throughout the trading day. You will learn all aspects of the trading and quant operation and work towards a role that generates trading revenue or drives strategy development for the team. In addition to the

Position Overview: As an Associate Service Desk Analyst, you’ll be one of the key people helping our employees get the most out of their technology. You’ll provide friendly, reliable technical support, troubleshoot hardware, software, and network issues, and make sure problems are resolved as smoothly and quickly as possible. You’ll manage incidents from start to finish, keeping users informed along the way and making sure more complex issues are escalated to the right teams when needed. You’ll also have the opportunity to contribute to improving our IT processes, documentation, and knowledge resources, helping us continuously improve the support we provide. We’re looking for someone who enjoys solving problems, helping people, and learning new things. Strong analytical, communication, and customer service skills are important, as well as a proactive attitude and the motivation to grow your career within the organization. You’ll work both independently and as part of a global team, so being comfortable collaborating with people across different locations and teams is key. Key Responsibilities Deliver comprehensive onsite and remote technical support, ensuring rapid resolution of hardware, software, and network issues to maintain optimal business continuity and user productivity. Proactively manage and update service tickets throughout the incident lifecycle, leveraging advanced troubleshooting skills and maintaining clear, professional communication with stakeholders at every stage. Demonstrate in-depth proficiency with Diligent’s core technologies—including Windows, Mac OS, and O365— applying best practices to resolve complex technical challenges and enhance the end-user experience. Serve as a subject matter resource for both hardware and software support, collaborating with crossfunctional teams to drive continuous improvement in IT service delivery. Actively contribute to the development and maintenance of knowledge base resources, synthesizing insights fr