Excessive micro-management. Both in terms of time spent at work and problem solving process, which discourages innovation. They will provide tuition reimbursement but will not allow you to take classes during core hours, which severely limits what you are able to take. Work life balance is not very good, raises are pretty bad - 2% for a good performance review - and some engineering managers are very far removed from anything technical, which makes it difficult to talk to relate to them and make them understand the time and resources required for a certain task. Big company atmosphere in a small company - for example, if there is 6 feet of snow on the ground but not a driving ban in amherst, they will force you to take a personal day if you do not come to work. But, that's company policy. The turnover rate of employees is very high - probably 1/3 of the company per year. I did not enjoy my time at atto.