In the Bay Area, SFO starts in the high 60s/low 70s salary and with OT and such people very quickly start breaking 6 figures, sometimes even in the first year before raises. OAK and SJC pay similar though a little less and with my understanding less opportunity for extra cash. I threw my hat in for all the ops positions around here, heard back from a GA airport but they required Fire/Medical experience as well as you have to be the "first responder" in a GA crash which is understandable though disappointing as I met every other qualification. That job paid between $20-25/hr if I remember...could have been a little more/less. Every ops job around here is a city job, though the departments vary. I know Oakland is through the Port of Oakland while San Francisco considers you a branch of law enforcement.
Airline ops can pay well too. Around here, some of the smaller airlines(flights per day wise) pay $13-14/hr to start, others pay similar but it is the same payscale as ramp/customer service. Both of the hub airlines at SFO pay much, much more than that and actually rival the city job in pay at least.
Remember though, making $12/hr here is like making $7/hr or so in some parts of the US.