Site Reliability Engineer, Traffic & Systems - Infrastructure Engineering

About us
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 platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, 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 communities we serve.
Join us.

The Infrastructure Engineering team supports the company's fast growth by building and operating hyperscale systems and infrastructures. The team manages the end to end lifecycle of server fleet, providing cloud solutions and various traffic infrastructure services including Layer 4 and Layer 7 loadbalancers.

Roles and Responsibilities
- Responsible for setup, maintenance and feature releases of the load balancer components.
- In charge of incident response and troubleshooting of the load balancers. Design, improve and contribute to disaster recovery plans. Understand and execute the most suitable disaster recovery plan during emergency.
- Responsible for instructing and supporting internal users to use the load balancer platform.
- Responsible for capacity management of the load balancers. Ensure the SLA and performance of the load balancers, ensure the quality of traffic entrypoint of the datacenters.
- Operate basic system infrastructures like DNS, NTP, authentication services like kerberos.
- Carry out security updates and protect enterprise infrastructure at system and network level.
- Build security tools and processes for critical infrastructure protection, monitoring and remediation.
- Build and solve Linux production systems at scaleMinimum Qualifications
- Knowledge of network infrastructure and/or routing.
- Extensive Linux experience, especially with Debian and compatible systems like Ubuntu, etc
- Experience working with traffic systems from CDNs to loadbalancers and beyond.
- Experience in one or more programming languages such as Go, Java, C++, or scripting experience in Shell and Python.
Perferred Qualifications
- Experience with Layer 4 / Layer 7 loadbalancers.
- Knowledge of protocols, including TCP/IP, HTTP, RPC, TLS etc.
- Experience working with containerized environment.

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.