ByteDance Networking seeks an Edge Optical Engineer to deploy and maintain OTN infrastructure supporting edge network build, expansion, and optimization.  Responsibilities include collaborating with various engineering teams, planning capacity upgrades and migrations, working with vendors on optical transport equipment, developing documentation, and troubleshooting network issues.  The ideal candidate possesses 3+ years of optical transport network engineering experience with expertise in DWDM, ROADM, and coherent optics, along with hands-on experience with leading optical transport platforms (Ciena, Nokia, Cisco, Infinera).  The role involves designing, building, and operating the global, intelligent network infrastructure for high-availability, scalability, and high-performance.

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<div class="jobDetail__1UFk5 jobDetail" style="transform: translate(0px, 0px); opacity: 1;"><div class="block-title">Responsibilities</div><div class="block-content">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.</div><div class="block-title">Qualifications</div><div class="block-content">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.

Preferred Qualifications: 
- Ability to troubleshoot complex network issues and perform detailed performance analysis.
- Excellent communication and stakeholder management skills.</div><div class="block-title">Job Information</div><div class="block-content block-content-jobinfo"><div class="job-info-item__UZSBL job-info-item-lang__3Il6m"><span>About Us</span><div class="template__2vEr7"><div class="editor-content" style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif, 'Roboto', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; color: #1f2329; word-wrap: break-word; white-space: pre-wrap;"><p style="font-size: 14px; text-align: left;">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.<span>​</span></p></div></div></div><div class="job-info-item__UZSBL job-info-item-lang__3Il6m"><span>Why Join ByteDance</span><div class="template__2vEr7"><div class="editor-content" style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif, 'Roboto', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; color: #1f2329; word-wrap: break-word; white-space: pre-wrap;"><p style="font-size: 14px; text-align: left;">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.<span>​</span></p><p style="font-size: 14px; text-align: left;">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.<span>​</span></p><p style="font-size: 14px; text-align: left;">Diversity &amp; Inclusion<span>​</span></p><p style="font-size: 14px; text-align: left;">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.<span>​</span></p></div></div></div></div></div>

Edge Optical Engineer