Senior Network Engineer, Optical Long-Haul and Submarine

About the team

ByteDance Networking brings together innovative ideas and technologies from network architecture, software defined networking (SDN), network virtualization, switch software and hardware co-design, and high-speed networking, to create hyperscale data-center networking solutions that power several of the most popular apps of the world such as Douyin and TikTok which serve hundreds of millions of users around the globe.

ByteDance Networking is responsible for designing, building, and operating the global, intelligent network infrastructure to meet the requirements of high availability, scalability, and high-performance. By joining this team, you will gain marketable software development and/or network operation experiences in data center networking on a massive scale.

Responsibilities

• Drive the design, buildout and operation of ByteDance's Global BBone Network;
• Work with Layer-3 NE to create the physical architecture for BD's BBone network
• Create the optical topology for long-haul terrestrial and submarine optical transport
• Be a part of the optical transport network (OTN) operations team
• Work with cross-functional teams, such as software developers, layer-3 network engineers, etc. to define and develop the automation required for us to construct a self-managed optical network.
• Perform network risk assessment and mitigation, and network change management.
• Manage and drive strategic network vendor engagement and deliveries.
• Create and review RFP/RFI for the optical transport component of the BBone network
• Coordinate and collaborate with stakeholders from internal and cross-functional teams, to improve network and applications availability.

Qualifications

Minimum Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, a closely related technical field, or a comparable amount of hands-on experience.
• 5 years hands-on experience of major OTN devices, such as Ciena, Nokia, Infinera etc. Exposure to long-haul and/or submarine distances is essential.
• Knowledge on optical transportation, OTN solution, system design, architecture, service delivery and operation. Strong understanding of propagation impairments, modulation formats, current and upcoming optical transport technologies.
• Experience in planning and deployment of long-haul terrestrial systems or SLTEs for subsea systems.
• Good troubleshooting skills, able to handle various OTN issues.
• Self-motivated, good communication and written skills.

Preferred Qualifications

• Familiarity with the IP layer (encompassing TCP/IP, IPv6, along with one or more routing protocols like BGP, OSPF, ISIS, or equivalents).
• Experienced with large-scale inter-DC links with multiple line systems for each P2P link.
• Previous involvement in submarine consortiums and experiences with submarine SLTE deployments.
• Practical experience in either the development, provisioning, or comprehension of network device configurations for a leading vendor like Ciena or Nokia.