Use when describing someone's job involving moving around often, like sales reps. Her peripatetic role had her flying to different branches every week.
Pro Tip 2/3
Not Negative
'Peripatetic' doesn't imply a negative viewpoint of traveling, unlike 'nomadic', which can. His peripatetic position afforded him the pleasure of seeing new cultures.
Pro Tip 3/3
Neutral Tone
It's a neutral adjective; neither formal nor informal, fitting in many contexts. In her peripatetic career, she has worked in multiple cities.