We are Linux specialists having worked with it for many years. You may already have the skills to SysAdmin your servers but wouldn't you rather be concentrating on your business?
Here are some...
The NDA upgrade fee is $34. You will be prompted to pay the fee right after you click the "SEND" button.Note that by paying for the NDA upgrade, you will be able to send an NDA request to every Freelancer you invite to this Job at no extra cost.