I applied through a staffing agency. The process took 1 day. I interviewed at Capita (Exeter, England) in Feb 2014
Interview
Capita support many public and private enterprise customer. The interview was Informal but technical. It is also important you will fit into the team. Certifications are not important but answering the technical questions thrown (either by exact answer or the way you would go about investiging if you didnt know the answer) will help you.