Ciena

Hanover, Maryland, United States5,001–10,000 employeesTelecommunications

Ciena (NYSE:CIEN) is the global leader in high-speed connectivity. We build the world’s most adaptive networks to support exponential growth in bandwidth demand. By harnessing the power of our networking systems, components, automation software, and services, Ciena revolutionizes data transmission and network management. With unparalleled expertise and innovation, we empower our customers, partners, and communities to thrive in the AI era.