The phrase "acted as administrator" is correct and usable in written English.
It can be used when describing someone who performed the duties or responsibilities of an administrator in a specific context or situation.
Example: "During the transition period, she acted as administrator for the project, ensuring that all tasks were completed on time."
Alternatives: "served as administrator" or "functioned as administrator".
HSBC is named in the suit as it acted as administrator and custodian for two of the funds.
The centrally controlled early Piast monarchy had been based on a system of fortified settlements from which an official called the castellan tended to the ruler's domain and acted as administrator, military commander, judge, and tax collector.
But Oliver and Joanan who acted as administrator - stayed on to guide a whole new generation and artistic movement into life, and play host to actors, musicians, writers and directors who went on to become household names - among them Athol Fugard, David Hare, Salman Rushdie, Steven Berkoff, Pierce Brosnan, Mike Figgis and Mike Westbrook.
He was at Anselm's deathbed in April 1109, and, afterwards, Ralph acted as administrator of the see of Canterbury until 26 April 1114, when he was chosen Archbishop at Windsor.
Some members supported the structure we had set up, in which parents acted as administrators while the teacher oversaw day-to-day operations.
E-mails previously had sign-offs like "love to all"; now they had words like "breach of ethics" and "priorities". Some members supported the structure we had set up, in which parents acted as administrators while the teacher oversaw day-to-day operations.
Deloitte are on stand-by to act as administrator for the firm unless they agree a last-minute rescue with their investors.
He had launched Morphoses on a minimal staff, with just him and his executive director, Lourdes Lopez, at the helm; he quickly found that, as well as artistic director and choreographer, he was having to act as administrator, fundraiser and teacher.
