Site Reliability Engineer

Responsibilities

• Manage and maintain large-scale host infrastructure across non-China data centers, including OS lifecycle management and fleet-wide health monitoring.
• Own the reliability and availability of core foundational services such as DNS, NTP, DHCP, NAT, and Kerberos.
• Design and implement deployment architectures ensuring high availability, fault tolerance, and disaster recovery across regions.
• Develop and enforce SLOs for managed services and lead incident response, root cause analysis, and post-mortem reviews.
• Collaborate with network, security, and application teams to support global business growth.
• Identify automation opportunities to reduce toil and increase operational efficiency through tooling and process improvements.

Requirements

• Bachelor’s degree in Computer Science, Electrical Engineering, Computer Engineering, or a related field.
• Solid experience in large-scale Linux host management, including OS deployment, configuration management, and patching.
• Strong hands-on knowledge of core data center services: DNS (BIND/PowerDNS), NTP, DHCP, NAT, and Kerberos.
• Proficiency with DevOps configuration management tools such as Ansible, Salt, or Puppet.
• Familiarity with SRE principles, including SLO/SLI definition and error budget management.
• Understanding of high availability design patterns and disaster recovery strategies.
• Strong troubleshooting skills across the Linux system stack and network layer.

Preferred Qualifications

• Experience managing host fleets at scale (thousands of nodes or more) in a production environment.
• Scripting or development experience in Python, Go, or Bash for automation.
• Exposure to hybrid or multi-region data center environments.

About the Company

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut, and Pico, ByteDance makes it easier and more fun for people to connect, consume, and create content globally.