Drimva

ByteDance

Senior Network Engineer, Optical Long-Haul and Submarine

Ashburn, Virginia · Senior · Full-time · Posted Oct 28, 2026

Experience
5 years hands-on experience with major OTN devices.
Education
Bachelor’s degree in Computer Science, Computer Engineering, a closely related technical field, or a comparable amount of hands-on experience.

About the job

Designs, builds, operates, and automates ByteDance’s global backbone optical transport network, including long-haul terrestrial and submarine systems.

What you'll do

  • Design and operate the Global BBone Network’s physical architecture and optical topology.
  • Coordinate optical network automation, operations, risk mitigation, and change management with cross-functional teams.
  • Manage vendor engagement and deliveries, and create and review optical transport RFPs and RFIs.

What they ask for

  • Bachelor’s degree in a related technical field or comparable hands-on experience.
  • 5 years of hands-on experience with major OTN devices; exposure to long-haul and/or submarine distances is essential.
  • Knowledge of optical transport, OTN solutions, system design, architecture, service delivery, operations, propagation impairments, modulation formats, and optical transport technologies.
  • Experience planning and deploying long-haul terrestrial systems or SLTEs for subsea systems.

Nice to have

  • Familiarity with TCP/IP, IPv6, and routing protocols such as BGP, OSPF, or ISIS.
  • Experience with large-scale inter-DC links, submarine consortiums or SLTE deployments, or network device configurations for vendors such as Ciena or Nokia.

Tools

OTN, Ciena, Nokia, Infinera, TCP/IP, IPv6, BGP, OSPF

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 6, 2026 (UTC)