veteranoperator

noun
UK /ˈvɛtərən ˈɒpəreɪtə/
US /ˈvɛtərən ˈɑːpəreɪtər/

A person who has done a job for a long time and knows it very well.

The veteran operator fixed the machine in seconds while the new workers watched.


OTHER MEANINGS

2. A skilled worker who runs a big machine or system after many years of practice.

The veteran operator guided the crane with steady hands.

3. Someone who has taken part in many missions or tasks and stays calm under pressure.

As a veteran operator, she never panicked during the emergency drill.

4. A long-serving member of a team who trains and helps newer people.

The veteran operator showed the rookies how to check the controls.