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服務和資源管理； (b) 進行研究和分析數據及資料，以監察機構表現，從而協助部門就郵務運作、業務發展和組織發展等方面作出決策； (c) 協助尋找新的商機，並對業務需求作出回應，提高盈利能力和顧客滿意程度； (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； (e) 協助管理辦公地方編配計劃；以及 (f) 提供郵政相關業務所需的行政支援，包括國際郵政事務、財務、公關服務和員工培訓與發展。

An Assistant Controller of Posts II is mainly deployed on - (a) managing the provision of postal services and resource management in branch offices; (b) conducting research and analyzing data and information for tracking organizational performance for supporting decision-making on postal operation, business development and corporate development; (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 operation needs; (e) assisting in the management of office accommodation projects; and (f) providing administrative support for postal related activities, including international postal affairs, financial services, public relation services and staff training and development.