The phrase "adept administrator" is correct and usable in written English.
You can use it to describe someone who is highly skilled and proficient in administrative tasks or roles.
Example: "As an adept administrator, she efficiently managed the office operations and ensured everything ran smoothly."
Alternatives: "skilled administrator" or "proficient administrator".
In addition to his martial qualities, Vladimir Monomakh was known as an adept administrator, whose ability to curtail the internecine warfare among his princely relatives revived, if only temporarily, the declining strength of Kievan Rus.
Observers recall a not particularly impressive political figure, who nonetheless proved himself an adept administrator.
The place looks and feels as if it had been created by a modern-day Don Quixote, but in reality it is the product of someone who would have made an adept administrator if he hadn't also been a talented artist.
He proved to be an adept administrator, modernizing the facilities and establishing the West Roxbury VA Hospital as a regional interventional cardiology referral center.
He was seen as an efficient, proven administrator adept at building coalitions.
And when term limits ended his tenure as governor in 1992, the most common criticism against Mr. Ashcroft was not that he had been a firebrand conservative who tried to dismantle state government, but a careful administrator more adept at blocking Democratic initiatives than twisting arms to advance his own.
As administrator, Pruitt has become adept at presenting his views with bland jargon.
Napolitano is a seasoned politician as well as administrator, one who might be particularly adept at the more political aspects of the job.
But everything else — health, education, investment policy, fisheries and a whole lot more — was handed over to close to 300 district 'governments.' " Many of the new administrators in the provinces — popularly known as "mini Suhartos" — are adept at siphoning off the funds and resources at their disposal.
