Billing & Collections Lead | Office Operations (Hybrid)

M&A Law Firm, P.C. is seeking an Office Administrator to lead collections, own the billing database, and collaborate closely with the Director of Operations. The role supports two offices (Schaumburg and Chicago) with hybrid work options after an initial onsite period and offers growing responsibilities as the firm expands. You will manage client payments, respond to invoices, and help implement new systems while maintaining high professional standards and tenacious follow-through on