To thrive as a Site Controller, you need strong financial acumen, analytical skills, and a degree in accounting, finance, or a related field. Familiarity with ERP systems like SAP or Oracle, as well as proficiency in Excel and financial reporting tools, is typically required, and CPA or CMA certifications can be advantageous. Excellent communication, leadership, and organizational skills enable effective collaboration with site management and cross-functional teams. These qualities are crucial for accurately overseeing site finances, supporting operational decisions, and ensuring compliance with company policies and regulatory standards.