Pros
If you're remote work life balance can be managed but it takes vigilance, constant boundary-setting, and ultimately depends on your manager and their manager. The chaotic environment leaves room for opportunities since there are clear talent and leadership gaps in many places, but the culture is so dismal it becomes clear why they exist in the first place.
Cons
I was at Wesco for a few years and part of 3 different teams within the IT branch. Pay is below market value, The higher you go the larger the teams get so no support or direction from your manager when they have 3 dozen people directly reporting to them, making politics inevitable. There are constant restructurings where you are chaotically moved from team to team, often without your new team even being informed and no onboarding provided to you, leaving you to train yourself on team or company processes and expectations and trying to schmooze to your boss as a last-ditch effort to get questions answered or feel some sort of job security. Very demoralizing and dehumanizing. Being highly skilled or capable, eager to learn or eager to please does not compensate for the stress this entails. The end result is a highly political, cutthroat environment. Most of the 'employees' are contractors that are promised full-time benefits for years before they get it--this was the case across multiple teams I was part of. This includes contractors from the US, Canada and abroad. All the teams I was part of at some point were at least half contractors. And at least within the IT branch the trend is offshoring so if you're an American engineer I would steer far, far away from Wesco unless you want to be toe-to-toe with contractors in Asia that are much cheaper than you and willing to work all day and night. Communication suffers and contractors from other countries are clearly more comfortable with and loyal to each other and not their Western counterparts, making it difficult to work together even if you are eager to. There is no sustainable career paths at Wesco for anyone with realistic expectations, self-respect and a moral compass.