Hi there,
I've checked your requirements and I think I am the perfect match for this task.
I am opensource fan and have experience with Asterisk PBX.
As an experienced DevOps developer, I'm skillful with Docker Ochestration, GIT, CI/CD, Linux administration, Email solutions, Webmin/Virtualmin and more.
As for my AWS experience, kindly refer at my profile.
Playing with all the flavours of Linux Distros from Ubuntu, CentOS, Debian, Fedora, openSUSE, RHDL to Kali Linux, I've been using colorful magics in terminal regarding server security.
I'm also a knowledgable in Python Flask, Laravel, MERN/MEAN/MEVN, Magento and backend/business logic as well.
I always try to meet all your needs.
I am eager to join you.
Yours sincerely,
Kostya