Interlaced Systems Engineer interview questions

I was contacted for an initial screening with an operations employee. That went well and she was great. I then moved on to a technical interview with a senior IT employee. The second interview with a disaster. In part due to myself being nervous and bungling the answers and in part to him being short, rude, and unhelpful. I would ask for clarification on questions he posed to me and he would not provide any. He restated the question and said "just describe x, y, and z" without helping with parameters or guiding in any way. Complete lack of empathy or understanding.