Depends on what you want to do - Anonymous employee Red Hat Employee Review

Users say... "Red Hat has a great culture as you would expect from a company that founded it's roots in open source." "workers are great people and good to work with on a daily basis." "Good work life balance and brand name" "Good benefit and beyond market pay" "Work culture is good and supportive" 

Users say... "Low salaries comparing to other companies but the quarterly bonuses kind of make it tie." "Poor management (depends on your team/manager)" "the only drawback is that the quality of management isn't universally vetted and a bad manager can ruin your experience" "Senior leadership for the most part is inexperienced in their roles." "Overall low compensation compared to similar roles in other companies"