Prosthetics Engineer Salary. Prosthetics Engineer average salary is $34,636, median salary is $35,000 with a salary range from $29,120 to $38,100.Prosthetics Engineer salaries are collected from government agencies and companies. Each salary is associated with a real job position.Prosthetics Engineer salary statistics is not exclusive and is for reference only. They are presented as is and updated regularly.rosthetics Engineer salaries are collected from government agencies and companies. Each salary is associated with a real job position. Prosthetics Engineer salary statistics is not exclusive and is for reference only. They are presented as is and updated regularly.