A Technical Officer Trainee (Building Services) is mainly deployed on undergoing training including on-the-job training in the following areas and attending full-time or part-time courses, if considered necessary by the department, for a period of three years : (a) preparing building services engineering drawings and details, and simple engineering documents; (b) carrying out engineering measurements and producing record drawings or reports; and (c) making simple engineering calculations and preparing minor design.

Candidates should have (a) (i) obtained a Certificate in Electrical Engineering or Mechanical Engineering or Building Services Engineering from a Hong Kong polytechnic university/polytechnic, the Hong Kong Institute of Vocational Education or a technical institute/technical college, or equivalent; or (ii) Level 3 or above in Mathematics and Level 2 or equivalent or above in four other subjects in the Hong Kong Diploma of Secondary Education Examination (HKDSEE) including Physics or Integrated Science or Combined Science (Chemistry, Physics) or Combined Science (Biology, Physics), or equivalent [Note (1)]; or (iii) Grade C or above in Mathematics and Level 2/Grade E or above in four other subjects in the Hong Kong Certificate of Education (HKCEE) including Physics or Engineering Science, or equivalent [Note (1)]; and (b) met the language proficiency requirements of Level 2 or above in Chinese Language and English Language in HKDSEE or HKCEE, or equivalent [Note (2)]. Preference will be given to candidates who have received training or have experience in drafting with AutoCAD.