I am groot err… root.
Tech enthusiast and a seasoned Cloud Infrastructure Expert with extensive experience in Linux and containers. With a deep passion for cutting-edge technologies and a drive to optimize digital ecosystems.
AFAIK, there is not centralize community for that.
For SysAdmin you can use !Sysadmin@lemmy.ml.
For LinuxAdmin you can use !linuxadmin@lemmy.run.
I haven’t found one for IT and Helpdesk yet, but I am pretty sure they are out there.