What do P7 and P6 mean in the recruitment of some companies?

P6 is usually a senior engineer and p7 is a technical expert.

Ali P6 is a senior engineer (Ali divides promotion into two sequences: P and M). P is the professional sequence and m is the management sequence. P and m can be changed according to personal wishes and work needs. Generally speaking, P6 (senior engineer) corresponds to M 1 (supervisor), P7 (technical expert) corresponds to M2 (manager), and so on until P 14 and M9).

Extended data:

Technical experts are support salespeople who provide technical assistance to order-oriented salespeople. They usually have scientific and engineering backgrounds, and can understand the purpose of products for customers and explain the benefits of products to customers.

Before the technical expert visits the customer, the order taker may have visited the customer and aroused the customer's interest, then the technical expert provides the technical details for the customer, and finally the order taker usually completes the sales. If technical experts also have good communication skills and persuasion skills, they will usually become high-paying order seekers.

References:

Baidu Encyclopedia: Technical Expert