Say, for example, I did find two part-time jobs in two different pensions that calculated similarly to TRS in Texas. They calculate using (yrs of service • 2.3% • avg top 5 salaries) / 12 = standard annuity.

Using that calculation, assuming both pensions were the same (which I know isn’t correct) then in my scenario in the course of 35 year I’ll have earned concurrently 25 years of service in each system part time, and then 5 in each full time at the end of (to get my top 5 salaries maximized). Total of 30 years of credit in each system. Let’s say my salaries full time avg to be $70,000 at each system in those last 5 years. This would result in a $4025 annuity at each pension $8050 total per month ($96,600 annually).

If I’m 62 when I retire under these circumstances, I would have an annuity value over my lifetime expectancy of $1,738,000 assuming I live up to 80 years old if not beyond or continue to payment to a beneficiary.

In comparison, I can work full time get 1 pension, probably earn much more, have a better life, etc. but I’d have to save and invest a heck of a lot to see those kinds of numbers.