Security Engineer - Client Security

Meta•Fremont, CA

11d•$122,000 - $181,000

About The Position

Meta's Client Security team is seeking experienced Security Engineers with a track record of solving complex security problems at scale. Client Security Engineers design and develop solutions to ensure Meta's data and systems can only be accessed by trusted devices, and that applicable security policies are enforced on devices.

Requirements

2+ years of combined experience designing and deploying security infrastructure, such as PKI, key management, and certificate management.
2+ years of software development experience in PHP, Golang, Python, C/C++, Rust, or Ruby.
Experience applying fundamental security concepts to systems.
B.S. in Computer Science or a related field, or equivalent experience.

Nice To Haves

Experience managing PKI for client devices.
Mobile security experience on iOS and Android platforms, including MDM and security policy.
Demonstrated ability to integrate AI tools to optimize or redesign workflows and drive measurable impact, such as efficiency gains or quality improvements.
Experience adhering to and implementing responsible, ethical AI practices, such as risk assessment, bias mitigation, and quality and accuracy reviews.
OS development experience (Windows, Mac, Linux).
Demonstrated ongoing AI skill development, such as prompt/context engineering and agent orchestration, and staying current with emerging AI technologies.

Responsibilities

Drive Meta's trusted devices strategy by building tools that enable connectivity to Meta's infrastructure only from Meta-owned and managed devices.
Build machine attestation and secure certificate storage solutions to enable provable client identity.
Deploy systems that help mitigate security risks by understanding and controlling what software is allowed to execute on client devices.
Develop, validate, and enforce client security policies.
Build and deploy tools and automation that proactively detect and respond to security risks and threats to internal corporate services.
Advise and collaborate with other teams.