Security Engineer

Bellevue, DCHybridFull Time$154,000–$217,000 /yrPosted 1 month agoVisa sponsorship available

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Required skills

security engineering
vulnerability research
penetration testing
security assessments
production systems
Python
PHP
Ruby
scripting languages
C++

Nice to have

AI tools
workflow optimization
efficiency gains
quality improvements
security community
public research

Role summary

Meta's Central Security team seeks a Security Engineer to proactively identify and eliminate system weaknesses before attackers can exploit them. This role is crucial for protecting the privacy and safety of over three billion users. The engineer will serve as an expert, guiding engineering and product teams on AI and native-code security, ensuring sound product decisions. Responsibilities include providing security guidance on new products, leading internal security initiatives, analyzing internet threats, engaging with the security community on mobile vulnerabilities, and conducting specialized mobile platform and application code security assessments.

Meta's Central Security team is looking for a security engineer who can find weaknesses before attackers do and then build the solutions that eliminate them. Your work will form the foundation of security initiatives that protect the privacy and safety of more than three billion people. In this role, you'll be the expert that engineering and product teams turn to for AI security and native-code security guidance, giving them the confidence to make sound product decisions. Join us in protecting Meta's products and the people who use them.

Responsibilities

Provide security guidance on a constant stream of new products and technologies
Take a leadership role in driving internal security and privacy initiatives
Analyze, assess, and respond to various internet threats
Interact directly with the security community regarding mobile security vulnerabilities and threats
Conduct regular security assessments and specializing in mobile platform and application code

Minimum Qualifications

B.S. or M.S. in Computer Science or related field, or equivalent experience
6+ years of experience in security engineering, including vulnerability research, penetration testing, or security assessments of production systems
3-5+ years programming experience with at least one of the following languages: Python, PHP, Ruby, or similar scripting languages
4+ years of experience reviewing C and C++. Knowledge of best practice secure code development
Working knowledge of security architecture principles, least privilege
Experience identifying and mitigating security and privacy risks in internet-facing products or services

Preferred Qualifications

Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
Contributions to the security community (public research, blogging, presentations, bug bounty, etc.)
Demonstrated knowledge of iOS or Android security model
Knowledge of exploitation techniques, reverse engineering, or CTF experience
Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
Experience leveraging or developing mitigations
Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
Knowledge of memory safe programming languages: Rust, Obj-C , Java/Kotlin
Experience with static analysis and fuzzing

$154,000/year to $217,000/year + bonus + equity + benefits

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Security Engineer

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