Site Reliability Engineer, Traffic Solution - System Service Global

About Us 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 as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.​ Why Join ByteDance Inspiring creativity is at the core of ByteDance's mission. Our innovative products are 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 enrich life - a mission we work towards every day.​ As ByteDancers, 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. 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​ ByteDance 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 ByteDance, our mission is to inspire creativity and enrich life. 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.​ Job highlights Positive team atmosphere, Career growth opportunity, Paid leave, Flat organization Responsibilities About the Team The Global System Service team owns the infrastructure services and management solutions that power ByteDance's data centers outside of China — from day-to-day operations to long-term architecture design and maintenance. The team specializes in composing end-to-end solutions by drawing on both open-source community tools and in-house developed products, tailored to both the business requirements and the operational complexities of large-scale infrastructure across ByteDance's non-China regions. Our mission is to deliver efficient infrastructure solutions and a stable, secure system environment for ByteDance's global business. Responsibilities We are looking for a self-motivated traffic solution engineer and DevOps expert. As a traffic solution engineer and DevOps expert, your responsibilities will include: - Design, configure and maintain flexible proxy service deployments that accommodate diverse and evolving forwarding patterns, including complex routing rules, protocol handling, and access control requirements. - Partner with business stakeholders to understand traffic forwarding requirements and translate them into practical, deployable proxy service solutions using a combination of cloud products and in-house platforms. - Rapidly prototype and iterate on traffic solutions to validate approaches and accelerate delivery, prioritizing deployment efficiency and time-to-value over large-scale infrastructure design. - Build and maintain observability pipelines covering log collection, metrics aggregation, and usage analysis to provide business stakeholders with actionable insights into traffic behavior. - Serve as the first point of contact for online incidents and business inquiries related to traffic services; triage issues, coordinate resolution, and communicate status clearly to stakeholders. - Document solution patterns and reusable configurations to build a knowledge base that accelerates future delivery and onboarding. Qualifications Minimum Qualifications: - Bachelor’s degree or higher in Electrical Engineering, Computer Engineering, Computer Science or related majors. - Strong understanding of OSI Layer 4–7 protocols, including TCP/UDP, HTTP/1.1 & HTTP/2, TLS, DNS, and WebSocket. - Solid knowledge of forward and reverse proxy mechanisms; hands-on experience with tools such as Nginx, Envoy, HAProxy, or equivalent. - Strong troubleshooting skills across the network and application stack, with the ability to diagnose issues spanning DNS resolution, load balancing, TLS handshake, and application-layer failures. - Strong communication skills — able to clearly articulate technical concepts and solutions to both engineering teams and non-technical stakeholders; effective in cross-functional and cross-regiona…