The Account Manager at SBM Management is responsible for managing sales and maintaining existing customer relationships to ensure continued business. Key responsibilities include operating as the lead contact for accounts, building strong client relationships, resolving conflicts, overseeing account management, negotiating contracts, and identifying new sales opportunities. The role also involves giving sales presentations, forecasting sales results, communicating progress, meeting deadlines, and managing a team through hiring, training, assigning work, evaluating performance, and resolving employee issues.