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Network Security Engineer

2 months ago

Menlo Park, United States Facebook Full time
Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, Backbone, Optical Infrastructure, and PoP networks. We do this by working extensively across the Meta family of products, including Facebook, Messenger, Instagram, WhatsApp, Oculus, AR/VR, and AI efforts where we identify and solve security problems across network infrastructure.You will be responsible for building and implementing security tools to protect Meta networks utilizing a combination of development, in-house services and open source tools. You will be directly involved in building and influencing security features within our open source network hardware platform (FBOSS) which helps serve traffic for billions users worldwide.We are looking for a candidate with a passion for security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach. Candidates should thrive on finding security issues and eradicating them as well as a desire to make life hard for bad actors. With focuses that range from large scale DDoS, routing security, security tool development, defense against internal and external attacks there's lots of room to push your skill set beyond simply protecting the network with firewalls.

Network Security Engineer Responsibilities:



  • Identifying risks across network infrastructure that would lead to the exposure of sensitive data, unauthorized access, or loss of availability and prioritizing remediation efforts to address gaps.
  • Own and drive efforts across the network layer to investigate and mitigate security incidents.
  • Building sustainable security controls and tooling for the network as a base layer of protections.
  • Evaluate and test new vendor and in-house network initiatives for security issues.
  • Keep Meta safe through active operation and defense of critical network infrastructure.


Minimum Qualifications:



  • Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience.
  • Development experience in at least one programming language (Python, Go, etc.) with experience applying that to security tool development, automation and overall programmatic solutions that will be used to defend infrastructure.
  • 2+ years of experience in offensive/defensive security, or systems engineering.
  • Knowledge of network protocols (TCP/IP, computer networking, routing and switching), and Unix based systems.


Preferred Qualifications:



  • Understanding of defense-in-depth strategies used to protect critical network infrastructure and its supporting components.
  • Understanding of threat modeling that can serve as a guide for implementing and scaling access controls across both host and network layers.
  • Experience collaborating on network efforts to investigate, prevent, and mitigate security incidents.
  • Experience collaborating within and outside of the team or organization to solve complex security problems.
  • Experience evaluating and testing new vendor platforms and in house network initiatives for security issues.
  • Proficiency in automating repetitive manual processes or workflows in order to scale tracking of network-based threats and their mitigations.


Meta is proud to be an Equal Employment 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. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment.

Meta 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.