Network Engineer - Physical Network Infrastructure

Salary: £200,000 - 250,000 per year

Requirements:

• Good understanding of network protocols including TCP/IP, DHCP, BGP, OSPF/IS-IS, and MPLS-related technologies.
• Good understanding of network monitoring protocols and tools such as SNMP, Sflow/netflow, and telemetry.
• Familiar with data center network architecture such as CLOS.
• Hands-on experience with major network devices such as Cisco, Arista, Juniper, H3C, Huawei, and other mainstream vendors.
• Self-motivated with good communication and written skills.
• Team player with participation in our global network on-call rotation.
• Bachelors degree in Computer Science, Information Science, Engineering, Mathematics, or a related field, or equivalent experience based on three or more years of work experience.
• In-depth knowledge of network protocols and implementation in hyperscale data center networks.
• In-depth knowledge of MPLS-related traffic engineering technologies such as Segment Routing, RSVP, and LDP.
• In-depth knowledge of public cloud architecture such as AWS, GCP, Azure, Ali Cloud, and OCI.
• Familiar with mainstream commercial switch/router chipsets such as Broadcom and Barefoot.
• Good understanding of IPv6 and IPv4-IPv6 coexistence technologies.
• Programming/scripting experience in Python or other languages.

Responsibilities:

• Design, build, operate, and optimize our global network, including backbone, data center, public cloud, and Edge/CDN.
• Work with cross-functional teams including compute, storage, database, and recommendation systems to drive the innovation and evolution of our network.
• Work with external vendors and ISPs for device and carrier selection, testing, and verification.
• Travel as required up to 15% to 30% of the time.

Technologies:

• AWS
• Azure
• Backbone
• Cloud
• Cisco
• GCP
• Hardware
• MPLS
• Network
• Python
• TCP/IP

More:

Our Network Engineering-Physical Network Infra team is part of our global technology organization, bringing together innovative ideas and technologies across 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 some of the worlds most popular apps, including TikTok. Req ID: A204632.

last updated 34 week of 2026