首席技術主任(多媒體)的主要職責是 (a)研究、策劃和制訂多媒體、學習科技及電子學習系統與教材，以及管理相關項目；(b)推廣多媒體、學習科技及電子學習的廣泛應用，以及就這些方面提供意見和訓練；(c)管理有關多媒體、學習科技及電子學習製作的外判工作；(d)策劃、籌備、採購和管制訓練教材的發行；(e)管制多媒體製作設備及進行定期檢查；以及(f)督導員工和管理資源。 (註：可能須不定時工作，以及在戶外工作。)

A Principal Technical Officer (Multimedia) is mainly deployed on (a) researching, planning and developing multimedia, learning technologies and e-Learning training systems and materials, and managing related projects; (b) promoting greater use of multimedia, learning technologies and e-Learning, and providing advice and training in these areas; (c) managing the outsourcing of multimedia, learning technologies and e-Learning production; (d) planning, preparing, procuring and controlling the issue of training materials; (e) controlling multimedia production equipment and conducting periodic inspections; and (f) supervising staff and managing resources. (Note: May be required to work irregular hours and perform outdoor duties.)