音樂主任(弦樂)的主要職責為-
(a) 教授器樂訓練班，聯絡學員家長，統籌教材，就課程、教學大綱及訓練計劃提出建議，以及執行其他訓練相關的行政職務；
(b) 協助籌組器樂訓練班及暑期音樂營的學員招募委員會、樂團／樂隊試音遴選委員會及內部評核委員會，並擔任該等委員的主席／成員；
(c) 擔任導師樂團／合奏團／音樂會的指揮／演奏員，並協助籌劃音樂會的內容；
(d) 擔任高級樂團／樂隊的指揮，協助準備訓練曲目，籌組表演，製備樂曲簡介及其他與樂團／樂隊演出有關的印刷資料；協助督導初級及中級樂團／樂隊的策劃、訓練及表演事宜；以及統領學員音樂會及聯合音樂會的彩排；
(e) 協助策劃和統籌音樂事務處舉的各項音樂活動；
(f) 管理和督導助理音樂主任及兼職導師／演奏員的工作，進行視學，並撰寫視學報告；
(g) 協助盤點和採購樂器，並處理樂器的保養和維修事宜；以及
(h) 協助處理弦樂組的行政及管理工作。
（註：或須不定時工作。）

A Music Officer (String) is mainly deployed to:
(a) teach instrumental training classes, liaise with parents, co-ordinate teaching materials, propose the curriculum, syllabus and training plans, and carry out other training administrative duties;
(b) assist in the planning of recruitment panels for the instrumental training classes and summer music camp, orchestra/band audition boards and internal assessment panels; and to serve as chairman/member of these boards/panels;
(c) serve as conductor/tutti player in the Instructor’s Orchestra/Ensemble/Concert and to assist in the planning of concert content;
(d) serve as conductor of flagship orchestras/bands and to assist in the preparation of training repertoire, organising performances, programme notes and other printing information concerning performances of these orchestras/bands; to assist in supervising the planning, training and performances of elementary and intermediate level orchestras/bands; and to act as the officer-in-charge of dress rehearsal of trainees’ concerts and joint concerts;
(e) assist in the planning and co-ordination of music programmes for various Music Office activities;
(f) manage and supervise the work of Assistant Music Officers and part-time instructors/performers, conduct class inspections and prepare inspection reports;
(g) assist in stock-checks, procurement and maintenance and repair of musical instruments; and
(h) assist in the administration and management of the String Section.
(Notes: May be required to work irregular hours.)