Edge Optical Engineer - EDGE Networking

About ByteDance Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Helo, and Resso, 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 Us Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. To us, every challenge, no matter how ambiguous, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. Join us. About the team ByteDance Networking brings together innovative ideas and technologies from network architecture, intent-based networking, network virtualization, switch software and hardware co-design, and high-speed networking, to create hyperscale data-center networking solutions that power several of the most popular apps in the world, such as Douyin and TikTok, which serve hundreds of millions of users around the globe. ByteDance Networking is responsible for designing, building, and operating the global, intelligent network infrastructure to meet the requirements of high availability, scalability, and high-performance. By joining this team, you will gain marketable software development and/or network operation experience in data center networking at massive scale. Responsibilities: - Deploy and maintain OTN infrastructure to support edge network build, expansion and optimization. - Collaborate with network engineering, operations, and data center teams to integrate optical transport solutions. - Plan and execute capacity upgrades, network migrations, and new deployments. - Work with vendors and carriers to procure, configure, and troubleshoot optical transport equipment. - Develop and maintain documentation, including network diagrams, operational procedures, and performance reports. - Conduct root cause analysis and implement solutions for optical transport network issues.

Minimum Qualifications: - 3+ years of experience in optical transport network engineering, with expertise in DWDM, ROADM, and coherent optics. - Hands-on experience with leading optical transport platforms (e.g., Ciena, Nokia, Cisco, Infinera). - Good understanding of optical fiber characteristics, transmission impairments, and network planning. - Ability to troubleshoot complex network issues and perform detailed performance analysis. - Excellent communication and stakeholder management skills. Preferred Qualifications: - In-depth knowledge of network protocols and implementation in hyper scale data center networks. - Programming/scripting in Python or other languages. 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.