The Cobblestone Energy Junior Analyst interview process typically includes: Online Aptitude Test – math, logic, and attention to detail. Video Interview – basic behavioral and motivation questions. Superday/Final Round – intensive case studies, energy market simulations, and problem-solving under pressure. Offer & Onboarding. It’s highly competitive, with a focus on raw intelligence, analytical thinking, and long-term commitment. The Cobblestone Energy Junior Analyst interview process typically includes: Online Aptitude Test – math, logic, and attention to detail. Video Interview – basic behavioral and motivation questions. Superday/Final Round – intensive case studies, energy market simulations, and problem-solving under pressure. Offer & Onboarding. It’s highly competitive, with a focus on raw intelligence, analytical thinking, and long-term commitment.