troubleshooter - definition and synonyms

noun [countable] 

Your browser doesn’t support HTML5 audio

/ˈtrʌb(ə)lˌʃuːtə(r)/
singulartroubleshooter
pluraltroubleshooters
  1. someone whose job is to solve problems that an organization is having

derived word

troubleshoot

verb [intransitive/transitive]
present tense
I/you/we/theytroubleshoot
he/she/ittroubleshoots
present participletroubleshooting
past tensetroubleshot
past participletroubleshot