>>5
Systems administration isn't the same discipline as systems analysis and system design. Administration is merely maintaining the system that is in place. Anybody can call themselves an engineer. You don't need an engineering licence to apply engineering techniques to systems analysis and systems design. What you can't do is solve engineering problems for physical infrastructure, hold no valid engineering licence, and have your engineered solutions recognised by the authorities.
>>7
You can distinguish people as a licensed engineer whenever they hold a valid engineering license.
>>10
Even plumbers get called engineers these days, it is absolutely deranged.