行動及訓練助理員主要負責下列工作： (a) 監督初級員工； (b) 指導民安隊隊員使用工具和器材； (c) 帶領青少年活動和提供指導； (d) 在資訊科技／網絡環境中進行訓練課程的預備工作； (e) 利用電腦和資訊科技應用程式預備講義和協助教學； (f) 保養行動和露營工具； (g) 執行設備管理員的職責； (h) 協助執行緊急行動及／或社區服務；以及 (i) 協助管理隔離／檢疫中心。 申請人如獲取錄，須加入民眾安全服務隊成為該輔助部隊隊員。他／她或須不定時工作，包括晚上、周末和公眾假期，並須要穿著制服。

An Operations and Training Assistant is mainly deployed on - (a) supervising minor staff; (b) instructing volunteers in the use of tools and equipment; (c) leading and instructing youth activities; (d) making preparation for training session under IT / network environment; (e) setting up and facilitating presentation with computer and IT applications; (f) maintaining operational and camping equipment; (g) general quartermastering duties; (h) assisting in emergency operational duties and/or community services; and (i) assisting in the management of isolation / quarantine centres. On appointment, a successful candidate is required to become a member in the auxiliary Civil Aid Service. He/she may be required to work irregular hours including evenings, weekends and general holidays, and is required to wear uniform.