Here is some info that should help you.
Level A - Individual Contributor
Individuals at this level usually follow standard work routines. They generally work under close supervision and typically have very little decision-making ability. Typically, less than three years of relevant experience is required at this level.
Level B - Professionals
Individuals at this level usually have procedural or systems experience. They generally work under general supervision, and their decisions are usually based on established procedures. Typically, 3-5 years of relevant experience is required at this level.
Level C - Managers and Senior Technical Professionals
Individuals at this level must have a command of the procedures and systems used. They generally work to specific measurable objectives requiring operational planning skills with little direct supervision. They have considerable latitude for making decisions within their unit. People skills are important. Typically, 5-7 years of relevant experience is required at this level.
Level D - Directors
Individuals at this level must have a thorough understanding of the theoretical and practical application of the principles of their profession. They generally work towards broad goals for their area of responsibility and have significant latitude for making decisions for their operational or functional units. People skills are essential. Typically, 8-10 years of relevant experience is required at this level.
Level E - Vice President
Individuals at this level are seasoned professionals in their field of expertise. They give strategic direction to the units under their control, develop and direct short and near-term goals for their units. Their decision-making is only subject to direction from top management. People skills are essential, including the ability to develop subordinates, are critical. More than 10 years of relevant experience is required at this level.
Regards,
B