Responsibilities of a DevOps engineer

A good DevOps engineer is a multidisciplinary specialist with a very broad outlook.To be successful, he needs to understand several IT directions at once, so if you are looking for a specialist, it is better to contact devops companies in usa right away.

Development

DevOps will write a script that helps developers install code on the server. Will make a program that tests the responsiveness of databases. Will write a version control application. Finally, will simply spot a potential development problem that might show up on the server. A strong DevOps specialist knows several languages suitable for automation. Does not understand them thoroughly, but will quickly write a small program or read someone else’s code. 

Operating systems

Knowing all the features of every version of every system is impossible – you can spend thousands of hours on such training and it will be useless. Instead, a good DevOps understands the general principles of working on any OS. Although, judging by the mentions in job postings, most are now working on Linux. A good engineer understands which system is best to deploy a project in, what tools to use, and what potential bugs may appear during deployment or operation.

The Clouds

Cloud technology market is growing on average by 20-25% per year – such infrastructure allows to automate code testing operations, building applications from components, delivering updates to users. A good DevOps understands both fully cloud-based and hybrid solutions. The standard requirements for engineers usually include GCP, AWS and Azure. This can include mastery of CI/CD tools. Usually Jenkins is used for continuous integration, but it is worth trying analogues. There are many, such as Buddy, TeamCity and Gitlab CI.Knowing Terraform will be useful – it’s a declarative tool that helps you remotely lift and configure infrastructure in the clouds. And Packer, which is needed to automatically create OS images.

Orchestration systems and microservices

Microservices architecture has many advantages – stability, rapid scalability, simplification and reuse. DevOps understands how microservices work and can anticipate potential problems. The specialist is thoroughly familiar with Docker and Kubernetes. Understands how containers work, and how to build a system so that you can disable some of them without affecting the overall system as a whole. For example, he knows how to build a Kubernetes cluster using Ansible.