The Career Paths page provides definitions for each job level.
The Job Levels denote the level of experience, knowledge, work latitude, impact, scope, and responsibilities associated with the job and are used to match the market job and respective market compensation data more accurately.
IC1 to IC6 - Employees who do not have direct report(s) or managerial responsibilities.
M1 to M6 and E1 to E3 - Employees who have direct report(s) and managerial and/or leadership responsibilities.
Video: How-to: Job Level in Kamsa