Are there clear difference in these job titles?

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IT Support Analyst, IT Technician, Service Desk Technician

do these all mean the same thing or is there a difference?

 

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IT support analyst would be 1st and second line, IT technician would be first line but you get out and about, service desk would be answering the phones and password resetting in my opinion.

But at the end of the day it depends what it says on the JD that counts, which can also be very vague

ZX