Senior Site Reliability Engineer, Product - USDS

Responsibilities

About the team
The Product Engineering team monitors and maintains the availability of Tik Tok, including services such as video playback, content discovery/recommendations, live streaming, and customer service feedback.

• Gain a solid understanding of the various components and services that power the Tik Tok experience
• Maintain services to meet service-level-agreements (SLAs) and service-level-objectives (SLOs) by measuring and monitoring availability, performance, and overall system health
• Participate as part of a global team to support site-up issues to ensure that services are reliable, fault-tolerant, efficiently scalable and cost-effective
• Scale systems sustainability through mechanisms such as automation; evolve systems reliability, efficiency, and velocity by pushing for changes
• Provide user support, incident responses and postmortems

Minimum Qualifications

• Bachelor's or above degree in Computer Science or a related technical discipline with 5+ years experience in the deployment and administration of large-scale distributed systems
• Strong understanding of Unix/Linux operating systems internals and administration, networking (e.g. TCP/IP, routing, network topologies and hardware), storage systems, and database systems
• Experience in one or more programming languages, such as C, C++, Java, Python, Go, Ruby, Rust, Java Script
• Experience in debugging and optimizing code and automate routine tasks
• Experience in development, testing, deployment and administration of one or more of the following types of systems:
  Nginx, Kubernetes, Docker, Open Stack, Hadoop, Spark, Flink, Kafka
• Experience in designing and analyzing large-scale distributed systems is preferred
• Strong skills in problem solving and communication

Tik Tok USDS Joint Venture LLC is dedicated to the safety and security of millions of Americans who create, discover, and connect with what they love on the apps we operate. The Joint Venture has been established in compliance with the Executive Order signed by President Trump on September 25, 2025. Our foundation is a comprehensive data privacy and cybersecurity program we operate under defined safeguards to protect national security and secure U.S. user data, apps and the algorithm.

We safeguard the U.S. content ecosystem, holding decision-making authority for trust and safety policies and moderation. USDS Joint Venture helps ensure Americans can continue to express their creativity, discover new hobbies and interests, and build thriving communities and businesses on a global scale.

On-site presence across teams allows the company to operate with greater speed, alignment, and agility — especially in areas like real-time decision-making, team development, and integrated execution. As such, the company is shifting from a hybrid work model to a fully in-person schedule up to 5 days a week.

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…