Meta
Security Engineer - Client Security
$122K–$181K
Fremont, CA · Full-time · Posted Oct 22, 2026
- Experience
- 2+ years of combined security infrastructure experience; 2+ years of software development experience.
- Education
- B.S. in Computer Science or a related field, or equivalent experience.
About the job
Designs and deploys security systems that restrict access to Meta infrastructure to trusted devices and enforce client security policies.
What you'll do
- Build trusted-device connectivity, machine attestation, and secure certificate storage solutions.
- Develop systems to control permitted software on client devices and enforce security policies.
- Build automated tools to detect and respond to threats to internal corporate services; collaborate with other teams.
What they ask for
- 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 have
- Experience managing PKI for client devices; mobile security experience on iOS and Android, including MDM and security policy.
- OS development experience (Windows, Mac, Linux).
Pay
$122,000/year to $181,000/year (base salary)
Tools
PKI, PHP, Golang, Python, C\C++, Rust, Ruby, iOS and Android
AI focus
Integrate AI tools to optimize or redesign workflows and produce measurable impact; follow responsible and ethical AI practices; continue developing AI skills, including prompt/context engineering and agent orchestration.
Model-written summary · the original posting is authoritative