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Enterprise Application Security Engineer (Builder)

Meta· Engineering
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New York, NY$122k - $181kFull-timePosted 1mo ago

About the role

Security engineer role focused on identifying weaknesses and building scalable tooling and controls to secure Meta's enterprise applications, including third-party AI integrations and agentic workflows. Collaboration with developers and infrastructure teams to shift detection left and provide actionable security guidance.

Responsibilities

  • Conceive, design, develop and improve effective security tooling, automation and/or frameworks that enable enterprise teams at scale to deliver applications and services with appropriate security controls to meet evolving requirements for security, privacy, and data protection
  • Identify and eliminate classes of security problems by shifting detection and prevention left into the development workflow
  • Provide just-in-time, actionable, technical security guidance to enterprise application and service teams through code reviews, penetration tests, adversarial testing, threat modeling, architecture design reviews, and other security activities
  • Collaborate with cross-functional teams to ensure security work is being prioritized and addressed
  • Design and build security controls and guardrails that allow the safe adoption of third-party AI applications and agentic workflows across the enterprise, including controls governing what automated systems can access and what data they can reach
  • Protect sensitive and highly confidential data held in enterprise applications by building enforcement mechanisms that operate continuously and at scale

Qualifications

  • B.S. or M.S in Computer Science, Engineering, or related technical discipline, or equivalent experience
  • 2+ years of work experience developing production-level code in Python, PHP, Java, Ruby, Go, Rust, C/C++, or similar language
  • 2+ years of work experience identifying and mitigating security issues in software (Python, PHP, Java, Ruby, Go, Rust, C/C++ or similar language) and knowledge of best practice secure code development
  • Experience owning a particular component, feature or system
  • Experience building and securing enterprise-scale software, services, and infrastructure
  • Experience communicating technical security findings and recommendations in writing to technical and non-technical stakeholders

Skills

Required:Security tooling and automationSecure coding practicesThreat modeling and architectural reviewsCommunication
Last updated Oct 23, 2026. Interested? Apply on the company site.

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