Your advertisement for a Network Maintenance Engineer in the April 10 Beijing Youth Daily interested me very much and I feel I can fill that vacancy.

我对贵公司4月10日在《北京青年报》上刊登的招聘网络维护工程师的广告很感兴趣， 并且相信本人能填补这一空缺。

youdao

Network engineer can be engaged in the computer information system's design, the construction, the movement and the maintenance work.

网络工程师能够从事计算机信息系统的设计、建设、运行和维护工作。

youdao

Mr Reynolds, a former water company engineer, has analysed the amount of renovation and maintenance work carried out on the sewerage network during the 15 years since water privatisation.

BBC: NEWS | Programmes | File on 4 | Neglected sewers threaten floods