Network Engineer - Physical Network Infra - London, UK
Core
Design, build, operate, and optimize global hyperscale data-center networking solutions powering major apps like TikTok.
Role type
Senior IC network engineer (physical infrastructure)
Builds
Global network backbone, data center, public cloud, and Edge/CDN infrastructure
Domain
Internet services / Hyperscale data center networking
Required skills
TCP/IP, DHCP, BGP, OSPF/IS-IS, MPLS, SNMP, Sflow/netflow, Telemetry, CLOS architecture, Cisco, Arista, Juniper, H3C, Huawei
Preferred skills
MPLS Traffic Engineering (Segment Routing, RSVP, LDP), public cloud architecture (AWS, GCP, Azure, Ali Cloud, OCI), Broadcom/Barefoot chipsets, IPv6 co-existence, Python scripting
Technologies
SDN, network virtualization, switch software, high-speed networking, Python
Responsibilities
Design and optimize global network including backbone, data center, public cloud, and Edge/CDN; Collaborate with compute, storage, and database teams; Manage external vendors and ISPs for device selection and testing; Participate in global on-call rotation
Seniority
Mid-to-Senior, hands-on IC
