troubleshooter

or trou·ble-shoot·er

[ truhb-uh l-shoo-ter ]
/ ˈtrʌb əlˌʃu tər /

noun

a person with special skill in resolving disputes, impasses, etc., as in business, national, or international affairs: a diplomatic troubleshooter in the Middle East.
an expert in discovering and eliminating the cause of trouble in mechanical equipment, power lines, etc.

Origin of troubleshooter

First recorded in 1900–05; trouble + shooter

Example sentences from the Web for troubleshooter

British Dictionary definitions for troubleshooter

troubleshooter
/ (ˈtrʌbəlˌʃuːtə) /

noun

a person who locates the cause of trouble and removes or treats it

Derived forms of troubleshooter

troubleshooting, noun, adjective