Hyperscale Network Engineer - Cloud, SDN & MPLS

TikTok; Greater London; On-site; GBP 200,000 - 250,000; Full time

Job summary

TikTok is seeking a senior Network Engineer to design, build, operate and optimize its global network spanning backbone, data centers, public cloud and edge/CDN. The role requires hands-on experience with hyperscale data center networking and a strong command of MPLS, BGP, and IPv6.

You will collaborate with compute, storage, database and recommendation systems teams, liaise with vendors and ISPs, and participate in a global on-call rotation. Travel up to 30% may be required.

Qualifications

• Strong understanding of TCP/IP, DHCP, BGP, OSPF/IS-IS and MPLS in hyperscale data centers.
• Experience with SNMP, sFlow/netflow, and telemetry for network monitoring.
• Familiar with data center architecture such as CLOS.
• Hands-on with major vendors (Cisco, Arista, Juniper, H3C, Huawei).
• Excellent communication and teamwork; participates in global on-call rotation.
• In-depth knowledge of MPLS traffic engineering (Segment Routing, RSVP, LDP).
• In-depth knowledge of cloud architectures (AWS, GCP, Azure, AliCloud, OCI).
• Familiar with Broadcom/Barefoot switch/router chipsets.
• Knowledge of IPv6 and IPv4-IPv6 coexistence.
• Programming/scripting in Python or similar.

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 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.

Skills

TCP/IP

BGP

OSPF/IS-IS

MPLS

Data center networking

SNMP / sFlow / telemetry

Cloud architectures

Cisco / Arista / Juniper hardware

IPv6

Python scripting

On-call rotation participation

Education

Bachelor's degree in Computer Science, Information Science, Engineering, Mathematics, or related field

Tools

Broadcom chipsets

Barefoot chipsets

Switch/router hardware

Job description

TikTok is seeking a senior Network Engineer to design, build, operate and optimize its global network spanning backbone, data centers, public cloud and edge/CDN. The role requires hands-on experience with hyperscale data center networking and a strong command of MPLS, BGP, and IPv6.

You will collaborate with compute, storage, database and recommendation systems teams, liaise with vendors and ISPs, and participate in a global on-call rotation. Travel up to 30% may be required.