I live In Santa Clara county ,California.i recently was convicted of driving on a suspended license.i have a previous d.u.i.

Fair? Maybe or maybe not. 24 months does seem to be a lot of IId, but you agreed to it so what does it matter now?

Call DMV and ask what date you can get your license back.

Am I being arrested?

A violation of probation could result in jail time, yes.

If two people are intoxicated to the point where they are incapable of sexual consent can both parties claim they were assaulted

In theory, but both may have defenses.

Depends what record you're looking at. First, it can still show on your DMV record. Second, the arrest will show on your department of justice...

Can I be fired for not reporting conviction to my employer in 5 days as noted in employee handbook. Dui is 12 years old.

Most employment is at will and can be fired due to any reason, especially if you're non-union. Speak to an employment lawyer.

DUI arrest with minor property damage, no injuries. BAC 3x limit but has notation of "attempted 6 times, interference".

If you're intervewing attorneys, let the attorney you hire do this for you.

Although you're lawyer seemed fly-by-night, you need to take some responsibility for your case. I mean, not taking to your lawyer in 2 years and...

How long does it take for a level 5 federal DWI conviction to show up?

Ignorance is bliss. If you notify DMV then you will have the conviction on the record when there's a high liklihood they'll never find out.

Can a DUI in one state violate probation in another?

Yes. Probation says "VIOLATE NO LAW" not just laws of state Xyz.... now will the state ever find out about it??? --- Likely not.