The CVQ structure has several levels ranging from level 1 to level 5. A person at level 1 is a supervised skilled worker, Level 2 requires minimum supervision, level 3 is an independent worker who can supervise persons at the lower levels, level 4 is on the same level with a bachelors degree level or a technologist who can design and implement systems. Level 5 is at a postgraduate level and represents engineers and other professionals at the top who manage and monitor changes.