OEM Inside Product Specialist
As a member of the sales engineering team, the OEM Inside Product Specialist coordinates networking technology issues with clients and interacts with support sales engineers. In the case of large companies, they will also work with account executives to resolve the technical issues.

Since the specialists interact with customers to drive sales, they need to have superior written and communication skills. They also need to be abreast of the latest networking requirements of different industries as well as specific departments.
https://www.fieldengineer.com/skills/oem-inside-product-specialist