Need to thorough with Networking fundamentals. Routing & Switching, CCNA, CCNP, Basic system/Network Administrator level knowledge of Linux/Unix or Windows systems (from Kernel to Shell and beyond, file systems and client-server protocols). Understanding of one or more Internet technologies: web-tech (HTTP, DNS, TLS), email (SMTP, anti-spam, anti-phishing), networking (routing, TCP/IP), IP telephony (SIP, H323), Identity (AD, LDAP, SSO, OAuth, AuthSub) and HTML5.