Can you be a game warden with MMJ?

I assume yes, I am looking to try to find a job with the DFG, and noticed part of the requirement is a drug test. Obviously cannabis would show up in the test.
This will probably screw me huh? I am sure they say it doesn't matter but once I'm gone they'll toss my application out the window.
Hopefully I am wrong.

I know park rangers!!!
Kenny for one.
Kenny denies being a patient, uses synth urine.
Kenny is a 20 year veteran with the parks system.

You would have to pass the test first.

get clean before the test...i assume they dont do random tests once hired, so your golden