Site Reliability Engineer - Infrastructure

About the role

The Site Reliability Engineer will join TikTok's SRE team responsible for the core infrastructure that powers storage, computing, and databases. You will work on large‑scale systems, ensuring reliability, efficiency, and cost‑effectiveness while collaborating with development teams.

Key responsibilities

• Ensure reliability and efficiency of core infrastructure, set reliability standards, and define recovery SOPs.
• Design, build, and maintain automated operation solutions for large‑scale systems and monitoring frameworks.
• Analyze bottlenecks, troubleshoot technical issues, and drive high‑availability architecture transformations.
• Develop cost‑optimization standards, monitor usage, and manage budgeting for millions of CPUs.
• Design new IDC facilities and implement data‑protection plans to meet compliance requirements.

Required profile

• Solid understanding of computer software fundamentals and Linux operating systems.
• Familiarity with storage, network I/O, and related principles.
• Bachelor's or Master's degree in Computer Science or related field.
• At least 3 years of relevant experience in SRE or related roles.

Required skills

• Programming languages: Python, Go, Java.
• Container technologies: Kubernetes, Docker/Containers.
• Big‑data and streaming: Spark, Flink, Function as a Service.
• Service infrastructure: RPC frameworks, Service Mesh.
• Storage and databases: Redis, MySQL, MongoDB, Kafka, KV stores, Graph databases.