Top Definition
head of the chain of command of jobbers in your local area. SJI, then JOB, then JIT..jit means job in training who hasn't yet reached the rank of job. SJI is the highest rank of job you can reach.
your not even a senior job instructor yet, your still a JIT!!
by L dumpaaaaaaaa March 02, 2009
5 Words related to Senior Job Instructor

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