knob-twiddler

noun

knob-twiddler

noun

1

Informal A technician whose job entails adjusting electronic devices via knobs.

Mr. Telson was a confirmed knob-twiddler. Often he would work along the whole range of his radio, to 'see what he could get.'1949, Bernard Newman, Shoot!, page 207:
If you're a dedicated knob twiddler what follows can hold no pleasure for you. If jumping doggedly up and down in constant conflict with the electronics of a TV set is your idea of an evening's bliss, then don't read on.1964 July 16, New Scientist, page 148:

2 more examples

But long live the spirit of the amateur cameraman, the solo recording engineer, and the lonesome knob twiddler.2005, David Kettle, Elephant Gnosis, →ISBN, page 173:
Recorded in 1995, 'Spaceman' had been hanging around unnoticed for a year when an ad agency knob-twiddler chanced upon it, or rather one very, very small part of it.2012, Tim Moore, You Are Awful (But I Like You): Travels Through Unloved Britain, →ISBN, page 157:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.