troubleshooter
nounUK /ˈtrʌblˌʃuːtə/
US /ˈtrʌblˌʃuːtər/
A person who fixes problems and makes things work again.
The troubleshooter came to fix the broken computer at school.
RELATED WORDS
OTHER MEANINGS
2. A person whose job is to find and solve problems in machines or systems.
The company hired a troubleshooter to check the factory machines.
3. A person who helps settle disagreements between people or groups.
She acted as a troubleshooter during the argument between the two teams.
4. A skilled worker who finds and repairs faults in electrical or technical equipment.
The troubleshooter quickly found the broken wire in the radio.