支援服務助理主要負責執行多個範疇的一般文書職務，包括：(a)一般辦公室支援服務；(b)人事；(c)財務及會計；(d)顧客服務；(e)發牌及註冊；(f)為政府律師提供支援，並為法官和法庭使用者提供法庭支援及登記處服務；(g)統計職務；(h)資訊科技支援服務；以及(i)其他部門支援服務。

獲聘的申請人會調派到政府各決策局或部門工作，工作安排將視乎有關決策局／部門的服務需求而定。獲聘的申請人不會有調職安排，並可能須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。

A Support Service Assistant is mainly deployed to carry out a wide range of general clerical duties in areas like (a) general office support; (b) personnel; (c) finance and accounts; (d) customer service; (e) licensing and registration; (f) support to Government Counsel, and court support and registry services to judges and court users; (g) statistical duties; (h) information technology support; and (i) other departmental support.

Successful candidates will be assigned to work in different government bureaux or departments (B/Ds). 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.