Network Engineer - London, UK

Responsibilities
About TikTok
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At TikTok, we create together and grow together. That's how we drive impact-for ourselves, our company, and the users we serve. Join us.

The Data-System-Network Engineering-Physical Network Infra team is part of the global technology structure and brings together innovative ideas and technologies from 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 several of the most popular apps of the world such as TikTok.

Responsibilities:
- Design, build, operate and optimize Bytedance's global network, including backbone, data center, public cloud and Edge/CDN.
- Work with cross-functional teams including but not limited to compute, storage, database, recommendation system, drive the innovation and evolution of the compay's network.
- Work with external vendors and ISPs for device and carrier selection, perform testing and verification.
- Travel may be required up to 15% - 30% of the time.



Qualifications
Minimum Qualifications:
- 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, Telemetry.
- Familiar with data center network architecture, such as CLOS.
- Hands-on experience of major network devices, such as Cisco, Arista, Juniper, H3C, Huawei and other mainstream vendors.
- Self-motivated, good communication and written skills.
- Team player and participate Bytedance network global oncall rotation.

Preferred Qualifications:
- Bachelor's in Computer Science, Information Science, Engineering, Mathematics, or a related field, or experience equivalent to a Bachelor's degree based on three or more years of work experience
- In-depth knowledge of network protocols and implementation in hyper scale data center networks.
- In-depth knowledge of MPLS related Traffic Engineering technologies, such as Segment Routing, RSVP, and LDP etc.
- In-depth knowledge of public cloud architecture, such as AWS, GCP, Azure, Ali Cloud, OCI, etc.
- Familiar with mainstream commercial switch/router chipsets, such as Broadcom, Barefoot etc.
- Good understanding of IPv6 and IPv4-IPv6 co-existence technologies.
- Programming/scripting in Python or other languages.

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.