The most basic duty of the operation and maintenance engineer is to be responsible for the stability of the service, ensure that the service can continuously provide services to users for 7*24H, maintain and ensure the high availability of the whole service, continuously optimize the system architecture, improve the deployment efficiency and optimize the utilization of resources;

Implementation engineer, taking software implementation engineer as an example, is mainly responsible for project implementation, including the installation, debugging and maintenance of commonly used operating systems, application software and software developed by the company, as well as a small amount of hardware and network work; Responsible for on-site training: on-site software application training; Assist in project acceptance; Be responsible for the initial confirmation of requirements; Control the project schedule; Communicate personalized needs with customers; Responsible for project maintenance.

2. From the job description of enterprise recruitment,

Big data operation and maintenance engineer, who is mainly responsible for the maintenance of big data related systems/platforms to ensure their stability, and more importantly, the maintenance of big data systems;