Pros
Lots of autonomy and independence, lots of great cases and clients, passionate colleagues (for the most part) who are dedicated to social justice, really flexible with comp time (depending on team though), much less bureaucratic and relaxed than probably any other place you'll ever work.
Cons
Not a great place for new attorneys. Experiences vary greatly from team to team and who your supervisor is. Their is very little oversight, mentorship, training, and supervision for new attorneys. New attorneys are hired and told they can join any team they want, but the team selection process is not properly explained, very political and some teams do not have the capacity to train or take on new attorneys. Attorneys are promoted to management positions without management skills or training. The lack of oversight and accountability creates toxic work environments on many teams where people feel overworked and underappreciated. It's very hard to get fired, so some older attorneys continue to stay at the organization without doing very much, block logging "work" activities, and saying no to case after case. Lots of turnover.