求翻译：2011年在浙江省高速公路管理局江东大桥有限公司担任网络维护与管理，负责公司网络的日常维护。是什么意思？

Zhejiang Expressway Authority Jiangdong Bridge in 2011 as a network maintenance and management, is responsible for the routine maintenance of the corporate network.

In 2011, Zhejiang Gangdong-gu highway authority limited as the bridge network maintenance and management, is responsible for routine maintenance of the corporate network.

In 2011 holds the post of the network maintenance and the management in Zhejiang Province highway administrative bureau East of the lower reaches of the Changjiang river Bridge Limited company, is responsible for the company network the routine maintenance.

2011 in Zhejiang jiangdong bridge served as network maintenance and management of the highway authority, is responsible for the day-to-day maintenance of the corporate network.

familiar SQL Server database-related knowledge;