I applied online. The process took 8 weeks. I interviewed at National Grid
Interview
1. Online questionnaire
2. Phone Interview
3. Assessment Centre: One-to-one interview, Individual presentation (audience of 2 assessors, no prior preparation required), Group exercise. Assessors are very friendly and do their best to put you at ease.
Interview questions [1]
Question 1
One competency based question related to demonstration of commercial awareness