Andy Hemming left his USD 89,000-a-year job on Monday. The White House said his departure was a "mutual decision", leaving it unclear whether the 31-year-old official had been fired or had quit, Politico reported.
Hemming worked 17 hours a day and his role involved searching the Internet, television and radio for positive news about the administration and sending it to reporters, television personalities and other influencers.
"Andy is smart and very talented and we wish him all the best," Sanders was quoted as saying.
Hemming was a career political operative who had worked for prominent Republicans like Mitt Romney and former Texas Governor Rick Perry. He joined the Trump team after working for the Republican National Convention during last year's election, the report said.
More From This Section
Hemming's departure is just the latest from the White House communications staff.
Former White House press secretary Sean Spicer and communication director Anthony Scaramucci departed from their White House roles recently, as did former chief of staff Reince Priebus.
Other high-profile departures include Chief Strategist Steve Bannon, who resigned last week.