ByteDance
Network Engineer, Optical Long-haul and Submarine
San Jose, California · Full-time · Posted Oct 28, 2026
- Experience
- 5 years of hands-on experience with major OTN devices; comparable hands-on experience may substitute for the stated degree.
- 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 network, including long-haul terrestrial and submarine transport.
What you'll do
- Design physical architecture and optical topologies for the global BBone network; support optical transport network operations.
- Collaborate on automation for a self-managed optical network and manage network risk, mitigation, and change management.
- Coordinate vendors and internal stakeholders, including through RFP/RFI work, to improve network availability.
What they ask for
- Bachelor’s degree in Computer Science, Computer Engineering, a closely related technical field, or a comparable amount of 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 transportation, 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; good OTN troubleshooting skills.
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 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