合約農林助理員的主要職責包括(a) 處理野生動物滋擾個案，例如追逐、挑惹、設陷阱捕捉和實施相關措施，以控制市區範圍內野生動物的種羣；(b) 就野生動物造成的滋擾進行實地調查，並回答公眾查詢；(c) 就香港法例第170章訂明禁止的活動，例如狩獵、故意干擾受保護的野生動物、在郊野公園違例餵飼野生猴子及在拉姆薩爾濕地架設鳥網，進行額外巡邏及採取執法行動；及(d) 協助駕駛車輛，以執行職務、勘查、實地調查及採取執法行動。

The Contract Field Assistant is mainly deployed on (a) handling wild animals nuisance cases such as chasing, baiting, trapping and relevant measures for controlling the population of the wild animals in urban areas; (b) carrying out site investigation for wild animal nuisance, and answering enquiries from the general public; (c) carrying out additional patrols and taking necessary enforcement action on unauthorised activities under Cap. 170 such as hunting or willfully disturb of protected wild animals, illegal feeding of wild monkeys in concerned Country Parks and the erection of bird nets in the Ramsar Site; and (d) assisting in driving vehicle for conducting operations, surveys, site investigation and enforcement action.