Security Engineer - Detection Infrastructure

Full Time
Menlo Park, CA
Areas of Interest: Computer Network Defense (CND) Infrastructure Support
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Build a more connected world.
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 Detection Infrastructure team is seeking an experienced security engineers to help keep our employees and people using Facebook safe from real world threats. You will build scalable, distributed security solutions for creating detection signals, instrumentation and frameworks across the breadth of Facebook infrastructure and service layers. As a successful candidate, you will bring your passion and experience for engineering novel security detection measures and deploying them across Facebook's infrastructure. We are looking for someone who loves reimagining what's possible when it comes to detecting and disrupting attackers and builds software to realize those ideas.


  • Proactively develop software to enable new detection capabilities.
  • Analyze the latest attacker techniques and apply solutions to detect them holistically.
  • Build robust systems or frameworks to reliably facilitate detection of adversarial events in extremely large host and network ecosystems.
  • Build systems to enable Facebook's security teams to rapidly innovate and adapt to attacker methodologies.

Minimum Qualifications

  • B.S. or M.S. in Computer Science or related field, or equivalent experience
  • Experience applying the latest discoveries in attack research to detection
  • Experience with operating system internals, filesystem internals, network instrumentation, or large scale data pipelines
  • Knowledge developing and debugging in PHP, C/C++ or Java/C#
  • Communication abilities

Preferred Qualifications

  • Contributions to the security community (open source, public research, blogging, presentations, etc)
  • Knowledge of host and network based attacks
  • Knowledge of Haskell, Perl or Python
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.
If you need assistance or an accommodation due to a disability, you may contact us at or you may call us at 1+650-308-7837.

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We've connected over a billion people and we're just getting started.
Founded in 2004, Facebook’s mission is to make the world more open and connected. People use Facebook to stay connected with friends and family, to discover what’s going on in the world, and to share and express what matters to them. 

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Company Industry: Internet
Company Type: Public Company
Company Size: 10,001+