Arni Clark has been with Level 3 Communications, L.L.C. now for 18 years and has experience in building, testing and turning up a variety of telecommunications services in the following equipment and hierarchy. Sonet, TDM, DWDM, and Ethernet Layers 2 & 3. Working knowledge of Networking industry, products and protocols such as Cisco, Juniper, Alcatel and Adtran Routers, Cisco Catalyst switches, Adva, VLANs, Cisco IOS, DHCP and Multicast. Arni also hold the following current Cisco Certifications Cisco # CSCO11975390. Cisco Certified Network Professional -CCNP Security, CCNP Wireless, CCNP Data Center & Designing Cisco Network Service Architectures 300-320. Cisco Certified Network Professional -CCNP Security, CCNP Wireless, CCNP Data Center & Designing Cisco Network Service Architectures 300-320. Previously, to telecom he was in the Air Force for 10 years as an Aircraft Mechanic on F-15’s and A-10 aircraft. He inspected and performed functional checks such as F15 engine runs and tests, landing gear retraction and operation checks on hydraulic, electrical systems and engine changes. Arni holds an FAA Airframe & Power plant License along with the FCC General Radio Telephone license.