Not while in uniform.
Just like they lose their right to privacy and can be filmed, they are acting as the organization they represent while wearing the uniform, their individual rights do not have the same application.
This is not new, this is not illegal or a constitutional violation, and has been through the Supreme Court before.
The version protected here is PE - Professional Engineer.
To be a PE you need a degree, to work under a PE, pass competency exams, and get a state license. So that’s the comparable title.