What do you mean the quality assurance analyst and the quality control engineer analyst?

Quality Assurance Analyst ensure the quality of the product, make procedure to maintain quality & take step which will be help full in future, while Quality Control Engineer implement  these step. Just like a teacher & a monitor ( monitor is a student from a class who control the class in the absence of teacher).

Quality control is particular for production line such as quality laboratory analysis work.

Quality Assurance is wider umbrella to cover all practices till reach of product to the end user or even includes the after sale services such as guarantee of goods.