Senior Network Engineer, Optical Long-Haul and Submarine

ByteDance; Ashburn (VA); On-site; USD 175,000 - 384,000; Full time

Job summary

ByteDance in Ashburn, VA, seeks a Senior Network Engineer to design, build, and operate the Global BBone Network, focusing on optical long-haul and submarine transport. You will collaborate across teams to define automation and ensure high availability.

You bring 5+ years of hands-on OTN experience with Ciena/Nokia/Infinera, deep knowledge of optical transport, and strong communication skills to drive complex projects and vendor engagements in a fast-paced tech environment.

Qualifications

• Bachelor's degree in CS/CE or related field.
• 5 years hands-on experience with major OTN devices (Ciena, Nokia, Infinera).
• Knowledge of optical transportation, OTN, system design and operation.
• Experience in planning long-haul terrestrial or subsea SLTEs.
• Strong troubleshooting skills and communication abilities.
• Self-motivated with good written skills.

Responsibilities

• Drive design, buildout and operation of ByteDance's Global BBone Network.
• Collaborate with Layer-3 NE to create physical architecture for BBone network.
• Create optical topology for long-haul terrestrial and submarine transport.
• Be part of the optical transport network (OTN) operations team.
• Work with cross-functional teams to define and develop automation for self-managed optical network.
• Perform network risk assessment, mitigation, and change management.
• Manage and drive strategic network vendor engagement and deliveries.
• Create and review RFP/RFI for the optical transport component of BBone network.
• Coordinate with stakeholders to improve network and applications availability.

Skills

OTN knowledge

Optical transport

Long-haul/submarine

Network design

Vendor engagement

Education

Bachelor's degree in CS/CE or related field

Tools

Ciena

Nokia

Infinera

Job description

Senior Network Engineer, Optical Long-Haul and Submarine

Location:

Ashburn

Team:

Technology

Employment Type:

Regular

Job Code:

A119948

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Responsibilities

• Drive the design, buildout and operation of ByteDance's Global BBone Network;
• Work with Layer-3 NE to create the physical architecture for BD's BBone network
• Create the optical topology for long-haul terrestrial and submarine optical transport
• Be a part of the optical transport network (OTN) operations team
• Work with cross-functional teams, such as software developers, layer-3 network engineers, etc. to define and develop the automation required for us to construct a self-managed optical network.
• Perform network risk assessment and mitigation, and network change management.
• Manage and drive strategic network vendor engagement and deliveries.
• Create and review RFP/RFI for the optical transport component of the BBone network
• Coordinate and collaborate with stakeholders from internal and cross-functional teams, to improve network and applications availability.

Qualifications

Minimum Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, a closely related technical field, or a comparable amount of hands‑on experience.
• 5 years hands‑on experience of major OTN devices, such as Ciena, Nokia, Infinera etc. Exposure to long‑haul and/or submarine distances is essential.
• Knowledge on optical transportation, OTN solution, system design, architecture, service delivery and operation. Strong understanding of propagation impairments, modulation formats, current and upcoming optical transport technologies.
• Experience in planning and deployment of long‑haul terrestrial systems or SLTEs for subsea systems.
• Good troubleshooting skills, able to handle various OTN issues.
• Self‑motivated, good communication and written skills.

Preferred Qualifications

• Familiarity with the IP layer (encompassing TCP/IP, IPv6, along with one or more routing protocols like BGP, OSPF, ISIS, or equivalents).
• Experienced with large‑scale inter‑DC links with multiple line systems for each P2P link.
• Previous involvement in submarine consortiums and experiences with submarine SLTE deployments.
• Practical experience in either the development, provisioning, or comprehension of network device configurations for a leading vendor like Ciena or Nokia.

Job Information

The base salary range for this position in the selected city is $174720 - $384000 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short‑term and long‑term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;

2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and

3. Exercising sound judgment.

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.

Reasonable Accommodation

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 https://tinyurl.com/RA-request