• An understanding of how TCP/IP and DNS works
• Strong routing and switching skills, especially with BGP, OSPF, PBR, redistribution, route filtering and traffic engineering.
• Working experience/knowledge in configuring Firewalls, NAT, URL filtering, QoS, SSLVPN, Site-to-Site IPsec VPN, SIP, call routing.
• IP Telephony experience is required
• Cloud services and SDWAN
• Python Scripting is a plus
• Has experience in voice network for at least 2 years regardless of the vendor.