行政服務助理主要負責(a) 提供廣泛的行政支援，包括人力資源管理、部門行政、一般行政支援、地區行政及委員會和議會支援服務、行政和政策支援、計劃管理、規管職責和投訴管理、財政資源管理、活動統籌和系統／項目規劃與發展；以及(b) 執行其他獲委派的職務。

獲聘的申請人會由政府調派到各決策局或部門工作，工作安排將視乎有關局／部門的服務需求而定。獲聘的申請人不會有調職安排，並可能需要執行戶外工作和逾時工作、不定時或輪班工作，以及在星期六、星期日和公眾假期上班。

An Executive Service Assistant is mainly deployed (a) to provide support in a wide range of executive functions including human resource management, departmental administration, general administration support, district administration, support to boards and councils, executive and policy support, scheme administration, regulatory functions and complaints management, financial resource management, event management, and system/project planning and development; and (b) to undertake any other duties assigned.

Successful candidates will be assigned to work in different government bureaux or departments (B/Ds) at the sole discretion of the Government. The work arrangements will be subject to the service needs of the B/Ds concerned and the successful candidates will not be eligible for posting. They may also be required to perform outdoor work and work overtime, irregular hours or shifts, and on Saturdays, Sundays and public holidays.