Your bosses might not actually care about the work you do, but your users and customers sure will.
Also, when you do a good job, ex-coworkers will often reach out to you to give you better opportunities.
I did that in the health sector of my local gov, the whole place was full of consultant who either got contracted directly from Oracle, used to work at Oracle before but moved there or took the Oracle pill early on and never got the idea to see how things get done elsewhere. It was impossible to ship anything that's not made of Oracle technologies and that was not an accident but a deliberate construction.