This cheerful McDonald's worker became a local celebrity after his friendly interactions with customers went viral.

Adam Gibson, who is employed at the Golden Arches in Leominster, Massachusetts, shows off his glowing customer service in a video posted to Facebook on May 7.

"I love my job, I love what I do, and I especially love spending as much time as I can with my customers in the next 10 or 15 seconds," Gibson says in the clip.

Heather Bashaw, who uploaded the video to Facebook, told Newsflare: "I had never met Adam Gibson prior to the video but he has a become popular sensation in our city for the way he greets and treats all of his customers at one of the McDonald’s here in town.

"He just puts you in a good mood!"

Other Facebook users echoed Bashaw's comments.

"What an awesome young man! So energetic and full of life. Will put a smile on the most sour person ever!" wrote one.

Another user added: "He served me today, he had my kids laughing."

Leominster is a town about 64 kilometres (40 miles) west of Boston and has a population of approximately 40,000.