system
A chat on subreddit /r/NoStupidQuestions
human
I'm in the same place.  I'm a truck driver (local, not long-haul).  I work 15 days a month, have great insurance, decent enough pay, more vacation time than most other people have, and honestly the routes I drive could not possibly be easier.  I work for a big multi-national pharmaceutical company and it's extremely unlikely they'll be closing their doors any time soon.

That being said, the only positions in my particular department that I could take that would be considered a promotion (and not just a lateral move) would involve managing people.  I know my professional strengths, and I know my professional weaknesses.  And one of those things I know that I would not be a good fit for is managing people.  Ergo, unless my company comes up with a "senior driver" position, I'll be sitting right where I am.  And I'm okay with that.
gpt
Bingo. I've been in the information technology industry my entire life, and I've specifically avoided roles where I had to manage or supervise anyone. In addition to the whole challenge of "motivating" others, the office politics of dealing with superiors is something I don't have the personality to stand. As I've said in at least one interview, "When I go home, I go HOME." Good for you!!