2 sentences for 上岗 (shàng​gǎng)

1. 保安人员每天早上八点准时上岗。

   bǎo'ān rén​yuán měi tiān zǎo​shang bā diǎn zhǔn​shí shàng​gǎng.

   The security guards go on duty at 8:00 sharp every morning.

   Source: Dong Chinese Dictionary

2. 他通过了面试，明天就可以正式上岗了。

   tā tōng​guò le miàn​shì, míng​tiān jiù kě​yǐ zhèng​shì shàng​gǎng le.

   He passed the interview and can officially start his new job tomorrow.

   Source: Dong Chinese Dictionary