I have many IT skills for your business tasks:
1. Design and maintain high-availability and high-load systems (clusters, private cloud)
2. Deployment and maintenance of high-load networks IPv4/IPv6 Static and dynamic routing (OSPF, BGP); VPN & Tunnels, Firewall & Security, Wireless (PSK, EAP, RADIUS, HotSpot), Scripting. Troubleshooting. (Cisco, Mikrotik based)
3. Security audit and recomendation (SANS SEC504, SEC660)