二級助理郵務監督的主要職責包括- (a) 管理郵政分局的郵政業務，向顧客提供快捷可靠的服務； (b) 安排資料蒐集及有關研究工作，協助部門制定與郵務運作、業務策劃及市場推廣等方面有關的決策； (c) 協助尋找新的商機，並對業務需求作出回應，提高盈利能力與顧客滿意程度； (d) 協助提供資訊科技和郵務機械化方面的解決方案，迎合業務和運作方面的需求；以及 (e) 執行一般行政工作，包括國際郵務、財務和公關方面等的行政工作。

An Assistant Controller of Posts II is mainly deployed on - (a) managing the postal services in branch offices for efficient and reliable services to customers; (b) arranging research and data collection activities to assist management decisions including postal operation, business planning and marketing activities; (c) assisting in identifying new business opportunities and responding to business needs to improve profitability and customer satisfaction; (d) assisting in delivering information technology and postal mechanization solutions to meet business and operational needs; and (e) performing general administrative work including international postal affairs, financial services and public relation arrangements etc.