Dive and save is one option you have, as admittedly being a long time at a company does not usually end up in a great salary. Related: https://randsinrepose.com/archives/the-diving-save/

The other more popular approach is to "play the game" as I think of it, I.e. every 18-24 months you switch to a new job with a substantial increase in pay as result.

I wish this wasn't the case, but I guess it is what it is.