NOC Code 7321 (Automotive service technician)

[auto91]

hi.

I have just finished my PGD in Motive power technician.
Right now, I work for a small Automotive Service Shop in Toronto.
I am looking for help regarding Job offer letter.
It would be greatly appreciated if someone post a valid job offer letter format for this trade (NOC Code 7321).
and do I need to go for LMIA or based on job offer I will get points for express entry.
please, Guide me.

waiting for response.