A garage door installer is responsible for the construction and installation of overhead garage doors. In this career, you work with carpentry tools and various materials to install, repair, maintain, or replace doors. You must be able to operate hand and power tools, lift heavy materials, and drive to job sites to assess work and complete necessary actions. Before finishing a job, you ensure the garage door opener and all electronic components are working properly. You communicate directly with clients to provide satisfactory customer service. A garage door technician is also responsible for documenting work and maintaining inventory.