unix admire

hello,
i've been using microsot product especially in networking field. but, i found microsoft product aren't good enough for networks
security features. and now, is there anybody that could advice me
what security features Unix may offer me than microsoft. by the way, i'm working at billionaire organization at malaysia and my job currently are to secure this organization networks. please. i made a reading but it was just a theory for me. i need an experiences network security engineer. thanks.
czer

do you have a question? or are you looking for an employee?:confused: