Repairer
/rɪˈperər/
Definition 1 of 1
Pro Tip 1/3Occupation Term
Used to describe professionals whose job is to fix things. 
She's a professional watch repairer.
Pro Tip 2/3Specific Objects
Can be preceded by a specific object to denote specialization. 
He works as a computer repairer.
Pro Tip 3/3Not DIY
Implies a level of expertise, not typically used for casual DIY fixing. 
After failing to fix it myself, I called a bike repairer.