Probably not is my answer. I understand you may not want your employer to know you are on probation, but the probation officer may not need to identify herself or himself as such to prevent such knowledge by your employer.
I always defer to Mr. Hill.
He is well versed, extremely knowledgeable and on top of CA law.
I write only to add a FL based though (which regularly works in such situations here on the Eat Coast).
I have come across this many times. PO's are required to verify employment. That is a standard condition of probation. And PO's are, generally, lazy and untrusting, so the simplest and surest way for them to do their job is to contact your employer for verification.
When I have a client who is concerned about being canned when the PO either calls or shows up at work then I take the matter to the Judge BEFORE we sign on for paper. I routinely ask the Judge to order the PO to verify employment by way of pay-stubs, and 99/100 times the Judge agrees and so Orders the PO to stay away from the probationer's place of employment.
The argument is simple: If the PO comes a knocking then the odds are excellent that the probationer will be unemployed, and that does not help anyone. Again, Judge's understand and generally agree with this simple logic. If regular paystubs stop then a violation can easily be alleged, but so long as they periodically roll in then employment is verified.
The only time that I have had a Judge take issue with this is when the offense in question relates to the employment (i.e. a theft or embezzlement charge and the client is a bank teller.... things like that).
On the whole this works, in FL, but again I defer to my CA colleagues, and particularly to Mr. Hill (whom I admire, respect and trust).
Wishing you luck and hoping that I have been helpful in answering your question.
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He can file the petition but it would be a waste of time. Your PO has a right to know what your job status is.
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