From Longman Dictionary of Contemporary Englishposition of trustposition of trustJOB/WORKa job or position in which you have been given the responsibility of making important decisions → trust
Examples from the Corpus
position of trust• You will be in a position of trust, both of you.• He called it a disgraceful situation for a man in a position of trust.• In fact, around one-half of the cases can be identified solely from the headlines as persons abusing their positions of trust. 