Security Engineer

Meta; Dover (DE); On-site; USD 184,000 - 257,000; Full time

Job summary

Meta's Central Security team is seeking a security engineer to find weaknesses before attackers do and build solutions that eliminate them, protecting billions of users. You will be the go-to expert for AI security and native-code security guidance across product and engineering teams.

You’ll drive internal security initiatives, perform threat analyses, and conduct mobile-focused assessments to improve the privacy and safety of Meta's products and the people who use them.

Qualifications

• 8+ years of experience in security engineering, including vulnerability research and production systems assessments.
• 3+ years programming in Python, PHP, Ruby, or similar scripting languages.
• 4+ years reviewing C/C++ with secure coding practices.
• Working knowledge of security architecture principles and least privilege.
• Experience identifying and mitigating security and privacy risks in internet-facing products.

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, specializing in mobile platform and application code.

Skills

Security engineering

Vulnerability research

Penetration testing

Security assessments

Python

C/C++

Security architecture

Mobile security

AI tools integration

Memory-safe languages

Tools

Static analysis

Fuzzing

Reverse engineering

CTF

Rust

Obj-C

Java/Kotlin

Job description

Summary:

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.

Required Skills:

Security Engineer Responsibilities:

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

Minimum Qualifications:

Minimum Qualifications:

1. 8+ years of experience in security engineering, including vulnerability research, penetration testing, or security assessments of production systems
2. 3+ years programming experience with at least one of the following languages: Python, PHP, Ruby, or similar scripting languages
3. 4+ years of experience reviewing C and C++. Knowledge of best practice secure code development
4. Working knowledge of security architecture principles, least privilege
5. Experience identifying and mitigating security and privacy risks in internet-facing products or services

Preferred Qualifications:

Preferred Qualifications:

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

Public Compensation:

$184,000/year to $257,000/year + bonus + equity + benefits

Industry:

Internet

Equal Opportunity:

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].