The phrase "array of duties" is correct and can be used in written English.
It refers to a variety or range of responsibilities or tasks that someone is responsible for. You can use it in contexts such as job descriptions, resumes, or discussions about someone's workload. Example: "As a sales manager, my array of duties includes overseeing the daily operations of the sales team, creating sales strategies, and meeting with clients to negotiate deals."
Konstantino nevertheless continued to serve on the AngioScore board, subject to the standard array of fiduciary duties that directors owe their corporations.
"Men and women in the prime of their professional lives, who may have been responsible for the lives of scores or hundreds of troops, or millions of dollars in assistance, or engaging or reconciling warring tribes, may find themselves in a cube all day re-formatting PowerPoint slides, preparing quarterly training briefs, or assigned an ever-expanding array of clerical duties," Mr. Gates said.
He is a police volunteer, part of an experiment by departments across the country that enlists trained amateurs to perform a broad — and occasionally dangerous — array of investigative duties like collecting evidence, interviewing witnesses, searching for missing persons and looking into long-dormant cases.
— all of whom are charged with an array of crimes, including dereliction of duty, maltreatment, negligent homicide and involuntary manslaughter.
On top of her Array duties, DuVernay is currently prepping her first big-budget film for a Disney, an adaptation of Madeleine L'Engle's sci-fi classic A Wrinkle in Time, "about a time-traveling black girl traveling through the universe".
India has slapped anti-dumping duties on an array of Chinese goods.
This is a "slight concern", he said, but the market is underpinned by the recent cuts in stamp duty and an array of attractive mortgage products.
The sale resulted from the posting of a simple ad on Craigslist, a Web site filled with classified ads for a broad array of merchandise — but rarely any heavy-duty firefighting equipment.
Among the categories are "Jury Duty" (with an array of courtroom dramas, including "The Verdict") and "Saturday Evening With No Babysitter" (with kid-friendly films like "The Wizard of Oz" that won't "nauseate or anesthetize" parents).
