Network Architect - Backbone

岗位职责 / Responsibilities

Our Global Network Infrastructure architecture team is responsible for architecting, building, and scaling ByteDance's worldwide backbone network, international interconnections, and high-performance data center networks. We power the global delivery of ByteDance's core products, AI initiatives, and cloud services, driving cutting-edge network innovations to support our rapid international growth.

Responsible for the network architecture design, planning and evolution of ByteDance's global backbone network (including non-China backbone network and international interconnections), leading and defining the backbone network topology, routing design, traffic engineering and new equipment testing and selection, and supporting the global development of the company's cloud, AI, content and other businesses.

Responsibilities

- Network architecture design, capacity planning and architecture evolution of the global backbone network and non-China backbone network, and network architecture designs;

- Responsible for backbone network topology design, routing protocol design (BGP/IS-IS/OSPF/SR) and policy planning to ensure the scalability and high availability of the network;

- Responsible for backbone network traffic engineering, load balancing and QoS design, and continuously optimize latency, packet loss and bandwidth utilization;

- Responsible for the testing, new technologies introduction (such as routing and switching equipment), as well as the organization of network testing and pilot;

- Responsible for planning transmission and interconnection solutions such as PoP and submarine cables, and coordinate with supply chain, construction, operation and maintenance teams for implementation;

- Closely follow up on industry frontiers (such as SRv6 and AI-driven traffic engineering), and promote technological innovation and standardization of the backbone network architecture.

任职要求 / Requirements

Minimum Qualifications:

- Bachelor's degree or above in computer science, communication or related majors;

- Over 5 years of experience in architecture design, operation and maintenance of backbone networks, ISP networks, operator networks or large-scale data center networks;

- Proficient in routing and traffic scheduling technologies including BGP, IS-IS, SR-MPLS, SRTE, SRv6, sBFD, MPLS VPN, SDN, etc.;

- In-depth understanding of the backbone network traffic engineering, QoS, network monitoring and fault location systems;

- Familiar with mainstream devices such as Cisco, Juniper, Arista, H3C, Huawei etc.;

- Understand transmission infrastructures such as OTN/DWDM, submarine cables, and international interconnection;

- Possess excellent cross-team communication skills and project promotion capabilities, and have a good command of English as a working language, with experience collaborating with non-China teams.

Preferred Qualifications:

- Have experience in architecture of Tbps/PB-level ultra-large-scale backbone networks or international internet networks;

- Have work experience in operators or ISP backbone networks;

- Familiar with network automation technologies including Python, Netconf/YANG and Telemetry, with practical experience in automation implementation;