The place of employment; the company or workplace where someone works.
勤務先が遠いので、毎朝早く家を出る。
My workplace is far away, so I leave home early every morning.
履歴書には勤務先の住所と電話番号を記入してください。
Please fill in the address and phone number of your place of employment on the resume.
転勤で勤務先が来月から変わることになった。
Due to a transfer, my place of employment will change starting next month.