You might do this by asking for a raise, taking a new job with a higher income, or working a second job. (lendedu.com)
Check with the plan administrator, but you may be more affected if you return to a previous employer instead of taking a new job at a company where you haven't worked before. (investopedia.com)
From the first day that my wife recently took a new job, we put 25 % of her paycheck into a checking account that's hard to access. (money.stackexchange.com)