If they do a nationwide search it will show. Even if limited to NY it still might show because I assume that NY Probation fingerprinted you.
I am a former federal and State prosecutor and have been handling criminal defense and personal injury cases for over 17 years. The above answer, and any follow up comments or emails, is for informational purposes only and not meant as legal advice.
A fingerprint check should turn up the Federal conviction. We live in the age of computers.
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A federal conviction would show up on all national databases.
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Assume that it will. Even if by some miracle it didn't you are going to have to disclose it on job applications when they ask you if you have previously been convicted of a crime. Failure to do so may be a new crime depending on the application; you dont want new trouble.
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