Make Waves at XKL

Join us on our mission to enable a more equitable and better-connected world.

Who We Are

XKL was founded with innovation at its core. Our CEO, Len Bosack, started Cisco Systems in 1984 and then established XKL in 1991. Over the last three decades, XKL has built a reputation amongst network operators and engineers for being DWDM experts – it’s all we do, and we do it better than anyone else. 

XKL has a customer-first culture and is known for providing high-performing, built-to-order DWDM solutions with trusted optical engineering consulting and support. And we pride ourselves in making fairness a guiding principle for how we treat our employees, customers and partners.


Employee benefits:

  • Comprehensive medical/dental/vision
  • Competitive salaries
  • Time off to balance work and life
  • Free financial planning consultations
  • Fully stocked kitchen 

XKL is a rapidly growing company with opportunities across all facets of the business. Now is an exciting time to join XKL. We look forward to hearing from you!



Len Bosack





Headcount Growth


U.S. Toll Free (866) 802-2777

Outside U.S. +1 (425) 497-6590
24 Hour Customer Support
U.S. Toll Free (866) 949-8340
Outside U.S. +1 (608) 807-0033