What is a System Administrator?
DevOps: In IT world, DevOps means Development Operations. The DevOps is the bridge between the developers, the servers and the infrastructure and his main role is to automate the process of delivering code to operations.
DevOps on wikipedia: is a software development process that emphasizes communication and collaboration between product management, software development, and operations professionals. DevOps also automates the process of software integration, testing, deployment and infrastructure changes. It aims to establish a culture and environment where building, testing, and releasing software can happen rapidly, frequently, and more reliably.