主要職責包括–(a)監督負責測量車輛廢氣的承辦商；(b)進行車輛廢氣測量；(c)對測量儀器進行定期品質檢查；(d)就儀器操作的故障檢修聯絡海外／本地生產商；(e)統籌生產商／承辦商進行儀器校準；以及(f)有需要時執行由督導人員指派的其他技術性／行政職務。 (註: 工作時間及地點須視乎部門的運作需要而定。獲聘人員可能要(a)不定時及超時工作，包括晚上及周末和周日;(b)經常在戶外工作;及(c)提舉重物。)

The main duties include – (a) overseeing contractors for measuring vehicle emissions; (b) conducting vehicle emission measurements; (c) performing periodic quality check of equipment; (d) liaising with overseas / local equipment manufacturers to trouble-shoot any operational issues; (e) arranging calibration with equipment manufacturers / contractors; and (f) performing other technical / administrative duties as assigned by the supervisors when required. (Notes: The hours and venues of work may be varied having regarded to the operational needs of the department. The successful candidate may be required to (a) work irregular hours and overtime, including evenings and weekends; (b) work regularly outdoors; and (c) lift heavy objects.)