Network Threat Detection Engineer

Network Threat Detection Engineer
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London, UK
Meta’s Network Threat Detection team is seeking an experienced engineer to help secure the infrastructure that connects over a billion users. You will be responsible for building, implementing and operationally supporting network detection efforts throughout our entire infrastructure. 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. This candidate should thrive on finding security issues and eradicating them as well as a desire to make life hard for the bad guys. With focuses that range from signal development, data pipelines, data enrichment, detection engineering & security tool development. We defend against internal and external attacks and our scope delivers great opportunities to push your skills further while having a significant impact.
Network Threat Detection Engineer Responsibilities
  • Iterate network security posture to better protect against attacks and detect new vectors.
  • Develop automation and utilize frameworks to scale both protection and mitigation tools.
  • Mentor and evangelize security practices through cross functional work with engineering teams throughout Meta.
  • Keep Meta safe through active operation and defense of critical network infrastructure.
  • Apply security expertise to guide the teams direction.
  • Ensure we're collectively working on the most impactful projects.
Minimum Qualifications
  • Currently has, or is in the process of obtaining a Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience. Degree must be completed prior to joining Meta.
  • 2+ years of experience in offensive/defensive security or systems engineering.
  • 2+ years of 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.
  • Knowledge of network protocols (TCP/IP, computer networking, routing and switching) and Unix based systems.
  • Experience researching, building, and implementing defensive security systems that are used against internal and external attack vectors.
  • Experience designing and building out application and network security monitoring to aid in detection or forensic investigations.
Preferred Qualifications
  • Background in intrusion detection, security investigations, and incident response.
  • Understanding of MITRE ATT&CK Framework and associated threat actor techniques.
  • Experience investigating network-based data for anomalies in order to identify suspicious behavior.
  • Experience “threat hunting”, i.e. using threat intel to proactively and iteratively investigate these potential risks and finding suspicious behavior in the network.
Locations
About Meta
Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today—beyond the constraints of screens, the limits of distance, and even the rules of physics.
Meta is committed to providing reasonable support (called accommodations) in our recruiting processes for candidates with disabilities, long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support. If you need support, please reach out to accommodations-ext@fb.com.
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, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. You may view our Equal Employment Opportunity notice here. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. We may use your information to maintain the safety and security of Meta, its employees, and others as required or permitted by law. You may view Meta Pay Transparency Policy, Equal Employment Opportunity is the Law notice, and Notice to Applicants for Employment and Employees by clicking on their corresponding links. Additionally, Meta participates in the E-Verify program in certain locations, as required by law.

Meta is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at accommodations-ext@fb.com.