I was surprised to see a huge ad on the page and thought it was spammy or high-schoolish. You might want to remove that ad on the header atleast on the careers

I was surprised to see a huge ad on the page and thought it was spammy or high-schoolish. You might want to remove that ad on the header atleast on the careers and the about us pages on your site. IMHO, it doesn't make a good first impression.