Experience with network technologies including (STP, VLANs, DTP, VTP, IGMP, RIP, OSPF, EIGRP, HSRP, VRRP, Flex links, ACLs, DLR, PRP, HSR, MRP. Execute routine functional testing with off-the-shelf and proprietary security tools, using white-box/grey-box/black-box techniques, to Client new security vulnerabilities.