Hyperscale Network Engineer – SDN, Data Center & Cloud

TikTok; Greater London; On-site; GBP 90,000 - 125,000; Full time

Job summary

TikTok is seeking a Network Engineer to design, build, operate, and optimize its global network across backbone, data centers, and cloud. You will work with cross-functional teams to evolve network architecture and ensure reliable, scalable services for popular apps worldwide.

Preferred candidates will have hands-on experience with main vendor devices (Cisco, Arista, Juniper, H3C, Huawei) and a strong grasp of MPLS, BGP/OSPF, and data-center topology. Expect travel up to 15–30% as needed.

Qualifications

• Knowledge of core network protocols and data center networking concepts.
• Ability to operate and troubleshoot large-scale networks across data centers and cloud.
• Experience with on-call rotations and cross-functional teamwork.

Responsibilities

• Design, build, operate and optimize the global network across backbone and data centers.
• Collaborate with cross-functional teams to evolve network architecture and services.
• Engage with external vendors for device selection, testing and verification.

Skills

TCP/IP protocols

BGP & OSPF/IS-IS

MPLS technologies

Network monitoring

Communication skills

On-call rotation

Education

Bachelor's in CS/Engineering or equivalent

Tools

Cisco

Arista

Juniper

H3C

Huawei

Job description

TikTok is seeking a Network Engineer to design, build, operate, and optimize its global network across backbone, data centers, and cloud. You will work with cross-functional teams to evolve network architecture and ensure reliable, scalable services for popular apps worldwide.

Preferred candidates will have hands-on experience with main vendor devices (Cisco, Arista, Juniper, H3C, Huawei) and a strong grasp of MPLS, BGP/OSPF, and data-center topology. Expect travel up to 15–30% as needed.