designation不是職位。
designation：
讀音：英 [?dez?ɡ?nen]、美 [?dez?ɡ?nen]
n.任命；指定；名稱；稱號；選定；委任；稱呼。
例句：
The?district?is?under?consideration?for?designation?as?a?conservation?area.?
正在考慮將這個地區指定為保護區。
同義詞
1、appointment
n. 任命，委任。
辨析：通常指對某人擔任某壹職務的不經選舉的任命。
例證：
The appointment of John as chairman of the meeting will be announced tomorrow.
約翰任大會主席的任命將於明日宣布。
What do you think of the appointment of a new foreign minister?
妳對任命新的外交部長壹事有何看法？
2、assignment
n. 分派，指派。
辨析：指職務、任務、工作等的分派。
例證：
Her assignment to other duties was decided.
她擔任的其他職責已經定了下來。
When was she informed of her assignment as manager of that new department?
她何時得知已被指派為那個新部門的經理的？