Site Reliability Engineer, Edge Services - USDS

Responsibilities

CDN Site Reliability Engineering combines software and network engineering with system operations to build and run large-scale, massively distributed infrastructure. Our Edge SREs ensure infrastructure services are reliable, fault-tolerant, efficiently scalable and cost-effective. We dive deep into the stack, including network, OS, and applications, to quickly resolve complex functional and performance issues.

Responsibilities:

• Architect and implement solutions that enable both internal and external customers to harness the power of Tik Tok’s content delivery network.
• Contribute to data pipelines, tools, automations, visualizations and monitors to facilitate the operation and optimization of edge services.
• Data monitoring and alerting, data quality assurance and anomaly detection.
• Document team processes and policies, including methods of engagement and SLOs.
• Analyze, design and implement solutions at the system level to remove bottlenecks and improve edge service performance.
• Implement monitoring and alerting to improve issue detection and response.
• Work in a fast-paced environment. Participate in technical operations and rotations in response to performance and reliability issues.

Minimum Qualifications

• Bachelor's degree with 2+ years of experience in Computer Engineering, Computer Science, or related fields, or equivalent experience.
• 2+ years working experience in the field of CDN performance and traffic engineering, network solution architecting or network-focused site reliability engineering roles.
• Experience in networking technologies such TCP/IP, BGP, DNS, etc. in a carrier-grade environment. Past experience with CDN technologies.
• 2+ years experience in one or more programming languages such as Java, C++, Go, or scripting experience in Shell and Python.
• Strong analytical skills and the ability to solve real world problems in a fast moving environment.

Preferred Qualifications

• Experience in operating in a multi-CDN environment.
• Understanding of IPv6 and IPv4-IPv6 coexistence technologies.
• Self-driven and capable of working with ambiguity and moving projects from concept to delivery.
• Experience in designing, analyzing and building automation and tools for large scale systems.

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.

Diversity & Inclusion

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.

USDS 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