It may because being a firefighter is a position of public trust.
Check with the state that you live in. Generally, public service positions require a clean record. A felony narrows your list of occupations significantly.
I have seen some that have, a felony will not necessarily disqualify you from being licensed.
Felony charge and lack of experience
You would have to put that information on your application and explain your situation tot them.
It generally depends on how long ago you were convicted of the felony and what the felony was for. Any felony involving theft of money and/or fraud will most definitely disqualify you.
It should.
No, felonies disqualify one from military service.
A felony does not automatically disqualify you from joining the army.
Yes, although there are certain offenses for which everyone will disqualify you for.
Noone has been denied a contractors license based purely on a felony conviction. A felony conviction does not automatically disqualify applicants. Yes you can be denied after applying. It all depends on how long ago you were convicted and also if the prior felony had anything to do with contracting work.
You cannot work as a paramedic anywhere with a felony on your record as far as I know. Some violent misdemeanors will even disqualify you from employment.
Just guessing, I'd say that any felony conviction would disqualify the person in question.