1. A salesgirl with one year working experience is needed here.
这里需要一名有一年工作经验的女售货员。
还能这样说：
There needs a salesgirl who has one year working experience.
There is in need of a salesgirl with a year working experience.
谚语：
Experience is the mother of wisdom.
经验乃智慧之母；实践出真知。

2. Ability to work on the night shift is a distinct advantage.
能上晚班者优先考虑。
还能这样说：
People who can work on the night shift are a top priority.
We will keep the one who is able to work on the night shift in consideration.
应用解析：
for a shift 出于权宜之计；
full of shifts and devices 足智多谋

3. Here is a job which offers you an opportunity for advancement.
这里有一个给你提供晋升机会的工作。
还能这样说：
This job can provide you an opportunity for promotion.
The job can give you promotion opportunity.
应用解析：
offer系常用词，指给某人某物，对方可以接受，也可以不接受；
proffer指自愿、礼貌、诚恳地给予；
tender属正式用语，一般不用于实物

4. The accountant position is still available.
会计一职仍然空缺。
还能这样说：
There is still in need of an accountant.
There is a vacant position for accountant.
应用解析：
feel it one's position 有责任；
take up the position 主张