I know it well, and I come into contact, and, as for the posture and the duties action of the shelf of the company, there is not yet many another person.
It looks like that you are drafting an appraisal on the performance of your subordinate. Please see if the following translation would help you:
"He (she) has yet to familiarize himself (herself) with the company's organisation structure and businesses. He (she) should also be more proactive in contacting with other people."