Yes it is suitable profession for them. Because the skillsets of DevOps Engineer include lot of similar tasks and processes that are done by System Admins. So it is easy to shift career into DevOps. Not only that DevOps is one of the promising careers in current market. So pursuing careers in this field helps in many ways.
If you are passionate about upskilling yourself with DevOps tools then I suggest you to go for Intellipaat which is offering the best DevOps Certification Course in the market.
Along with that have a look at this video on how Naveen made it possible by shifting his career from System Administration to DevOps Engineer -
If you want to know more about Agile methodology, you can take up the Agile Training course by intellipaat.