Dear sir,
I read your job description carefully.
As Senior Linux Administrator, I have installed and managed a lot of network package such as openvpn, snort, iptables/ipset.
Could you send to me the ssh account of your server?
I'm going to check your system via ssh.
Your job is an ideal match for my skills and experiences.
Thank you, Looking forward to hearing from you soon.
Best regards, TaeSung.