USB Mojave installer not showing up in UEFI boot options

Hello guys,

I'm trying to install Mojave on a Dell PowerEdge T30. I already have a T30 running Mojave and now I'm trying to install it on my second one.

But when I'm trying to boot from the USB installer, it's not listed... very weird.
I remember when I installed it on my first T30 there was an UEFI section and my USB installer was listed there and now it is missing as you can see: link

It is driving me crazy as I desperately need this server for work.
Any help or suggestion would be highly appreciated.

submitted by /u/PsynapsX
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