Technical support for the CRM BITRIX24 corporate portal

A wholesale company is looking for a technical support specialist. Examples of workloads include restoring portal health, configuring backups, and restoring the portal from copies.
Requirements:
1. Always in touch. Within 10 minutes, respond to our call, and within an hour start solving the problem.
2. Have experience with Bitrix 24 CRM, as well as Ngnix, Apache network services.
3. Be sociable and responsible. Be able to clearly indicate the terms of your work and follow them.
We have:
1. Configured portal. There is not much work, problems arise less than once a month. However, when this happens, we need a technical support specialist.
2. NOT ADMINISTRATION! Exclusively solving technical problems in a remote format.
3. Long-term cooperation. We will listen to all your suggestions, we will approve the terms of payment after our acquaintance.