I'm worked at KDDI (Thailand) before (Now Re-signed) in field Project Engineer and Project Manager (If don't know about company, This is child company from AU company in Japan they worked about Telecom ) I'm passed training for CCNA, CCNP (routing switching) and CCNP (Voice) otherwise I worked with Firewall (Juniper (SSG, SRX), Fortigate) also I have skill to configured the Cisco devices and Firewall devices, WAN optimizer and CUCM (Voice Gateway, USC Server and UCCX inc IVR, I have many experienced with Cisco 4500, 6500 and Ten Gig Tech including CUCM also Juniper Firewall, Juniper Switch and Fortigate