Network Engineer, Physical Network Infra

Network Engineer, Physical Network Infra About the Team

Byte Dance Networking 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 Douyin and Tik Tok which serve hundreds of millions of users around the globe.

Byte Dance Networking is responsible for designing, building, and operating the global, intelligent network infrastructure to meet the requirements of high availability, scalability, and high-performance. By joining this team, you will gain marketable software development and/or network operation experiences in data center networking at massive scale.

• Design, build, operate and optimize Byte Dance'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, driving the innovation and evolution of Byte Dance 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.

• 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 Byte Dance network global oncall rotation.
• 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.

Founded in 2012, Byte Dance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including Tik Tok, Lemon8, Cap Cut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, Byte Dance has made it easier and more fun for people to connect with, consume, and create content.

Inspiring creativity is at the core of Byte Dance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day. As Byte Dancers, we strive to do great things with great people.

We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Byte Dance 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 Byte Dance, our mission is to inspire creativity and enrich life. 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…