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Facebook Security Engineer, Threat Detection and Response, F2 (Facebook Financial) 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.


F2 (Facebook Financial) is a product group at Facebook focused on building products to ensure that everyone, everywhere has access to the world’s financial system to accelerate financial inclusion and economic empowerment. We're looking for a Security Engineer to work closely with Software Engineers, Security Engineers, Compliance, and Legal to support threat detection and response engineering at F2. You will be responding to threats, building advanced and novel detection mechanisms, performing searches for sophisticated and previously unknown malware, and developing systems to automate remediation. You'll work with some of the brightest minds in the industry in a data driven culture, use cutting edge technology, and see your efforts affect products and people on a regular basis. You should have a passion for detecting malicious activity, responding to intrusions, and developing new signatures or methodologies to detect bad activity.

Required Skills:

  1. Search for gaps in our infrastructure: proactively identify malicious activity that we are not currently able to detect

  2. Analyze logs, packets, and alerts for signs of malicious activity

  3. Create signatures and tools to analyze and detect malicious activity

  4. Build automation for response and remediation of malicious activity

  5. Support incident response by investigating security intrusions

  6. Drive implementation of countermeasures, mitigations, and containment

Minimum Qualifications:

  1. Bachelors degree in Computer Science or equivalent experience

  2. Experience in detection, response, or security engineering

  3. Experience designing and building out security monitoring to aid in detection or forensic investigations

  4. Coding/scripting experience in one or more general purpose languages

  5. Knowledge of networking technologies, specifically TCP/IP and the related protocols

  6. Knowledge of operating systems, file systems, and memory on MacOS, Linux or Windows

  7. Experience with attacker tactics, techniques and procedures

Preferred Qualifications:

  1. Experience with rule-driven and analysis-driven network platforms like Bro and Suricata

  2. Experience hunting, i.e. using threat intel to proactively and iteratively investigates these potential risks and finding suspicious behavior in the network

  3. Experience in host and memory forensics (including live response) for Windows, OSX, and/or Linux

  4. Background in malware analysis, intrusion detection, and/or threat intelligence

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