How to introduce my job?

i hav some trouble to introduce my job cause many pepople even dont' know the word that
"ISO "

are there any error in my sentence ?
plz checking it !
in this sentece i hope to express difficulty of introduce my job title
wording that " ISO (international standard for organization )"
(and my job is exmaing ISO and make certificate.)

plz checking it ! and thank for your reading : )