DevOps is a software engineering culture and practice that emphasizes collaboration, communication, and integration between software developers and IT operations professionals. The job description for a DevOps Engineer typically includes the following responsibilities:

1. Automating the software development process: This includes writing scripts, developing tools, and integrating them into the development pipeline to speed up the delivery of software.

2. Monitoring and maintaining infrastructure: DevOps Engineers are responsible for ensuring the availability, performance, and scalability of the infrastructure that supports software applications.

3. Building and maintaining deployment pipelines: DevOps Engineers work with developers and other IT professionals to build and maintain deployment pipelines that automate the deployment of software updates.

4. Collaborating with development teams: DevOps Engineers work closely with developers to understand their requirements and provide support for their needs.

5. Managing source code: DevOps Engineers are responsible for managing source code repositories, including setting up branching and merging strategies and implementing version control systems.

6. Troubleshooting and resolving production issues: DevOps Engineers are often called upon to diagnose and resolve production issues, either alone or in collaboration with other IT professionals.

7. Improving the security and reliability of the infrastructure: DevOps Engineers work to improve the security and reliability of the infrastructure by implementing best practices, performing security assessments, and responding to security incidents.

8. Staying up-to-date with emerging technologies: DevOps Engineers must stay up-to-date with emerging technologies and practices, and evaluate new tools and techniques that can improve the efficiency and reliability of the development pipeline.

To succeed in this role, a DevOps Engineer should have strong technical skills, including expertise in scripting, automation, and containerization, as well as a deep understanding of cloud computing, networking, and security. In addition, they should be excellent communicators and team players, able to work effectively with people from different backgrounds and with varying levels of technical expertise.