Security Engineer

Meta Careers; New York (NY); On-site; USD 154,000 - 217,000; Full time

Job summary

Meta's Central Security team is looking for a security engineer who can identify weaknesses before attackers do and then build 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.

Your role focuses on AI security and native-code security guidance for engineering and product teams, delivering confidence for product decisions and scalable protections across Meta's products.

Qualifications

• B.S./M.S. in CS or related field or equivalent experience.
• 6+ years in security engineering incl. vulnerability research, testing, or security assessments.
• 3-5+ years programming in Python, PHP, Ruby, or similar.
• 4+ years reviewing C/C++ with secure coding.
• Knowledge of security architecture and least privilege principles.
• Experience identifying and mitigating security/privacy risks in internet-facing products.

Responsibilities

• Provide security guidance on new products/technologies.
• Lead internal security/privacy initiatives.
• Analyze, assess, and respond to internet threats.
• Interact with the security community on mobile vulnerabilities.
• Conduct regular security assessments focusing on mobile platform and app code.

Skills

Security engineering

Vulnerability research

Penetration testing

Security assessments

Python

PHP

Ruby

C/C++ review

Secure coding

Security architecture

Least privilege

Education

B.S. or M.S. in Computer Science or related field, or equivalent experience

Tools

-

Job description

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.Security Engineer Responsibilities:Provide security guidance on a constant stream of new products and technologiesTake a leadership role in driving internal security and privacy initiativesAnalyze, assess, and respond to various internet threatsInteract directly with the security community regarding mobile security vulnerabilities and threatsConduct regular security assessments and specializing in mobile platform and application codeMinimum Qualifications:B.S. or M.S. in Computer Science or related field, or equivalent experience6+ years of experience in security engineering, including vulnerability research, penetration testing, or security assessments of production systems3-5+ years programming experience with at least one of the following languages: Python, PHP, Ruby, or similar scripting languages4+ years of experience reviewing C and C++. Knowledge of best practice secure code developmentWorking knowledge of security architecture principles, least privilegeExperience identifying and mitigating security and privacy risks in internet-facing products or servicesPreferred 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 modelKnowledge of exploitation techniques, reverse engineering, or CTF experienceDemonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologiesExperience leveraging or developing mitigationsExperience 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/KotlinExperience with static analysis and fuzzingAbout 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 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, 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. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment.Meta 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 [e-mail].$154,000/year to $217,000/year + bonus + equity + benefitsIndividual compensation is determined by skills, qualifications, experience, and location. Compensation details listed in this posting reflect the base hourly rate, monthly rate, or annual salary only, and do not include bonus, equity or sales incentives, if applicable. In addition to base compensation, Meta offers benefits. Learn more about benefits at Meta.