ByteDance Networking seeks a Network Engineer specializing in Optical Transport Networks (OTN).  This role involves implementing, maintaining, and optimizing a large-scale OTN connecting data centers globally. Responsibilities include high-level and low-level design, OTN automation, architecture optimization, and troubleshooting.  The ideal candidate possesses 2+ years of hands-on experience with OTN devices from vendors like Ciena or Nokia, strong troubleshooting skills, and knowledge of optical transport, OTN solutions, and network protocols (TCP/IP, BGP).  The position requires on-call participation and serving as an escalation point for service issues.  This role offers experience in hyperscale data center networking and the opportunity to work on globally impactful applications like TikTok and Douyin.

<p>Where imagination meets innovation, delivering limitless gaming experiences.</p>

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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">About the Team
ByteDance Networking brings together innovative ideas and technologies from network architecture, software-defined networking (SDN), 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 of 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 experiences in data center networking at massive scale. 


Responsibilities
- Implement, set up, and maintain a wide-scale operational optical network covering regional metropolitan areas. This network connects data centers and Points of Presence (POP) locations globally.
- Responsible for high level and low level design, road-map and standardisation of ByteDance's OTN
- Responsible for OTN automation and architecture optimisation
- Improve OTN availability and efficiency</div><div class="block-title">Qualifications</div><div class="block-content">Minimum Qualification
- Bachelor's degree in Computer Science, Computer Engineering, a closely related technical field, or a comparable amount of hands-on experience.
- 2 years hands-on experience of major OTN devices, such as Ciena, Nokia, Infinera etc.
- Knowledge on optical transportation, OTN solution, system design, architecture, service delivery and operation.
- Good troubleshooting skills, able to handle various OTN issues.
- Participate in an on-call schedule and serve as escalation points for service-related issues.
- Network knowledge, such as TCP/IP, BGP is preferred.
- Self-motivated, good communication and written skills.

Preferred Qualifications:
- Familiarity with the Optical layer (including Transponders, and extensive optical networks) and/or the IP layer (encompassing TCP/IP, IPv6, along with one or more routing protocols like BGP, OSPF, ISIS, or equivalents).
- Practical experience in either the development, provisioning, or comprehension of network device configurations for a leading vendor like Ciena or Nokia.</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 class="job-info-item__UZSBL job-info-item-lang__3Il6m"><span>Reasonable Accommodation</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;">ByteDance 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 <span>​</span></p></div></div></div></div></div>

Network Engineer, Optical Transport Network