Network Engineer, GPU Network Direction - Ashburn, VA

Network Engineer, High Performance GPU Network Direction – Ashburn, VA About the Team

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. The Networking team 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 experience in data center networking on a massive scale.

• Design, validate, implement, and operate Byte Dance's global high performance computing (HPC) networks.
• Work with cross-functional teams, including but not limited to machine learning (ML), compute and storage, driving the innovation and evolution of the HPC network.
• Work closely with external vendors to explore state-of-the-art architecture and next‑gen technology.
• Build software and tools to improve the reliability and availability of HPC network infrastructure.
• Ensure the reliability of the company's global network by participating in on‑call rotation.

• Minimum:
  Bachelor's in Computer Science, Information Science, Engineering, Mathematics, or related field, or experience equivalent to a Bachelor's degree.
• 3+ years of working experience.
• Expertise with HPC network topologies, such as RDMA over Converged Ethernet (RoCE) or Infini Band (IB).
• Good understanding of network protocols including TCP/IP, DHCP, BGP, OSPF/IS‑IS and MPLS related technologies.
• Experience with building HPC networks.
• Self‑driven, possess good communication and written skills.
• Preferred:
  Candidates with experience in high‑performance computing (HPC) network topologies, particularly those familiar with Remote Direct Memory Access over Converged Ethernet (RoCE) or Infini Band (IB).

Tik Tok is the leading destination for short‑form mobile video. At Tik Tok, our mission is to inspire creativity and bring joy. Tik Tok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Inspiring creativity is at the core of Tik Tok's mission. Our innovative product is 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 bring joy – a mission we work towards every day. 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. Every challenge is an opportunity to learn and innovate as one team. We’re resilient and embrace challenges as they come. 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.

Tik Tok 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 Tik Tok, 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.

Tik Tok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at

• Mid‑Senior level

• Full‑time

• Information Technology

• Computer Networking Products, Technology, Information and Internet, and Telecommunications