Cisco Systems, Inc. is an American multinational technology conglomerate headquartered in San Jose,
California, in the center of Silicon Valley. Cisco provides IT products and services across five major
technology areas: Networking (including Ethernet, optical, wireless and mobility), Security, Collaboration
(including voice, video, and data), Data Center, and the Internet of Things
Cisco Systems employs over 75,900 people worldwide. See what people are saying about working at Cisco Systems.