Network Engineer, Infrastructure Networks

Published date Posted on Indeed on Dec 25, 2021 (228 d ago)
The Network Infrastructure Engineering team is responsible for the critical infrastructure networks that underpin Facebook data centers, the backbone and our POPs. Our networks are the first to go into new Facebook locations and provide connectivity to our partner’s network devices and building management systems through our parallel and independent IP network (out-of-band).Network Engineers at Facebook are hybrid software/network engineers who ensure that Facebook's network and related services run smoothly and have the capacity for future growth. Data Analytics, network (re)design, and automation are keys to meeting our demands; you will be responsible for conceiving, developing, and deploying software and network systems and tools that improve reliability and efficiency in our global network. Do you want to work on one of the most dynamic, fast-paced networks in the world? Do you want to develop innovative solutions to our challenges and ship them into production? Then a role on one of our network engineering teams is for you!


  • Write and review code, develop documentation and capacity plans, and debug the hardest problems, live, on some of the largest and most complex networks and systems in the world
  • Together with your engineering team, you will share an on-call rotation and be an escalation contact for service incidents
  • (Re)Design, deploy, manage and maintain multi-vendor, multi-protocol critical infrastructure networks in every Facebook network location, including our data centers and POPs
  • Define and develop optimized network monitoring systems
  • Design and deploy new network and tooling architectures
  • Analyze data to diagnose and identify root causes to network issues
  • Partner alongside the best engineers in the industry on the coolest stuff around - the code and systems you work on support the production network infrastructure used by billions of users all around the world



  • 4+ years of experience in network engineering or network-centric software development
  • 2+ years experience coding in higher-level languages (e.g., Python, C++, Go, etc.)
  • Experience developing and understanding network device configuration for at least one vendor (Juniper, Cisco, Arista, Brocade, Nokia, Linux, etc.)
  • Protocol experience in one of BGP, OSPF, ISIS - understanding of typical configurations and performance optimizations
  • Experience understanding and mitigating network hardware and topology failures
  • Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience



  • Expert knowledge of TCP/IP and IPv6
  • Experience writing code to automate Network deployments, monitoring or remediation
  • Experience in configuration and maintenance of network devices and NMS systems, or applications such as authentication servers (RADIUS/TACACS), logging infrastructure or collection systems (SNMP/NETCONF/gNMI)
  • Experience building out-of-band networks using alternative technologies (LTE, VSAT, IPSec)
  • Field experience with network deployments



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 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 accommodations-ext@fb.com.

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