For example, the operation and maintenance requirements for boss direct employment are as follows: 1. Proficient in docker and k8s technology, containerization related system services, continuous integrated delivery and deployment; 2. Skillfully use automated operation and maintenance tools to ensure that online business can provide services 24 hours a day. Responsible for online business capability and cost management; 3. Master shell and python language, and use python to develop operation and maintenance tools to support technical departments; 4. Skillfully deploy and maintain mainstream open source software; 5. Understand the operating system, and plan, maintain, optimize and troubleshoot the system model; 6. Proficient in the operation and maintenance of cloud services such as Alibaba Cloud and Jinshan Cloud, and experienced in private cloud deployment, with jenkins managing the private cloud infrastructure and inspection in a unified way; 7. More than three years' working experience is required, and those with working experience in Alibaba Cloud and Tencent Cloud are preferred. Experience in deep learning of cuda, cudnn, TensorFlow, Pytorch and other underlying frameworks is preferred.