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Facebook Optical Network Modeling Engineer in Des Moines, Iowa


Facebook's mission is to give people the power to build community and bring the world closer together. Through our family of apps and services, we're building a different kind of company that connects billions of people around the world, gives them ways to share what matters most to them, and helps bring people closer together. Whether we're creating new products or helping a small business expand its reach, people at Facebook are builders at heart. Our global teams are constantly iterating, solving problems, and working together to empower people around the world to build community and connect in meaningful ways. Together, we can help people build stronger communities - we're just getting started.


Facebook's global network is built with cutting edge platforms and technologies and we are looking for a Network Modeling Engineer to join the backbone Optical Network Engineering team. This team is responsible for designing, building, and operating the world’s largest Optical network. In this role, you will have a unique opportunity to shape the future of how we design the optical network at Scale making use of the latest technologies across the global network considering Long Haul, Metro, and Subsea networks. You will be in a position to influence key design philosophies and optimizations to accommodate our explosive growth.

Required Skills:

  1. Work with various teams to understand FB's network, user base, performance constraints and growth requirements

  2. Create modeling frameworks for various networking problems such as: layer 0 topology optimizations for interconnecting data centers and POPs, optimizing optical site design building blocks, cross layer optimization under constraints such as latency, availability, and uncertain input signals

  3. Work with optical engineering to understand hardware features and reflect impact on network topology design

  4. Own the design, development, testing, and tuning of future capacity and topology models

Minimum Qualifications:

  1. 5+ years of experience in optical network design

  2. Understanding of optical networking concepts & building blocks (Wavelength, DWDM, Transponder to Router Connectivity, Transponder to Fiber Connectivity, ROADM, Multiplexer, Transponder etc.)

  3. Demonstrated experience creating and maintaining network level layer 0 modeling frameworks to solve network optimization

  4. Experience utilizing Python, C++, MATLAB or other programming languages coupled with experience creating simulation frameworks for network optimizations

Preferred Qualifications:

  1. Understanding of Optical layer (L0/L1) traffic reliability configurations using Protection and/or Restoration schemes including pros/cons

Industry: Internet

Equal Opportunity: Facebook is proud to be an Equal Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Facebook is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at