9. Ansible

Average annual salary in 2016: $121,382

Year-over-year change: New skill

Owner: Red Hat

Ansible has emerged as a key open-source DevOps tool that, according to Red Hat, is designed to bring together administrators and developers to collaborate on building IT automation solutions that increase business agility. In 2015, Red Hat acquired Ansible Inc., the tool's sponsor. Ansible has more than 500 global customers and Ansible technology is used by a growing number of the Fortune 50, according to Red Hat.