Installation Fault Repairing

I'm looking for a Freelancer to repair installation faults related to signal boosters, CCTV, and Smart Home Automation products. I can provide specific details and symptoms regarding the issue. The preferred troubleshooting method for repair is through remote diagnostics. The person hired should have knowledge and experience in providing technical services related to installation faults. Previous experience of such faults and the related troubleshooting will be ideal. The skill set should include proficiency in electrical, plumbing, HVAC (Heating, Ventilation, and Air Conditioning) as well as remote diagnostics. The person hired should be able to communicate clearly in English & Hindi and should be available in case of queries or emergencies. Additionally, he/she should understand the importance of professional customer service and needs to complete the job within the agreed time frame. Clear and accurate reports regarding the condition of the installation fault to be provided after the work is completed.