Interactive Brokers (IBKR) is seeking a Platform Engineer – Support to join our Information Technology team. This role provides first-level technical support for Microsoft Windows platforms across the organization. You will assist business and development end-users via phone, email, and a centralized ticketing system to resolve or escalate IT issues. This position requires strong technical knowledge, polished communication skills, and a high sense of urgency. Ideal candidates will demonstrate intermediate expertise in Windows and networking technologies, patience with less technical users, and the ability to thrive in a fast-paced environment.