On-Device Security Engineer for AI & Embedded Systems

Snapchat; San Diego (CA); On-site; USD 133,000 - 235,000; Full time

Job summary

Snap Inc. is seeking a Software Engineer to join the Specs Security team. You will design, build, and harden on-device security systems for Specs, including permissions, access control, secure IPC, sandboxing, and trusted execution boundaries.

You will develop security and privacy controls for on-device AI features, improve fuzzing and automated testing, and advance validation pipelines across OS, firmware, and cloud-connected surfaces.

Qualifications

• Knowledge of Linux-based system security, embedded operating systems, trusted execution boundaries, secure software architecture, applied cryptography, authentication, authorization, attestation, key management, and platform hardening techniques.
• Knowledge of permission systems, access control, least-privilege design, sandboxing, secure IPC, service isolation, and privacy-preserving access to sensors, user data, and system capabilities.
• Experience with security analysis, threat modeling, vulnerability assessment, secure code review, fuzzing, static/dynamic analysis, and automated security validation across OS, firmware and AI/ML boundaries.

Responsibilities

• Design, build, and harden on-device security systems for Specs, including permissions, access control, secure IPC, sandboxing, and trusted execution boundaries.
• Develop security and privacy controls for on-device AI features, including model integrity, sensitive data handling, inference-time privacy protections, local policy enforcement, and secure access to sensors, user data, and system capabilities.
• Research, design, and implement security features that improve the security posture of Specs across Snap OS, firmware, applications, system services, and cloud-connected device surfaces.
• Improve fuzzing infrastructure, automated security testing, and continuous validation pipelines for OS components, IPC mechanisms, parsers, services, drivers, firmware interfaces, and AI-related data flows.

Education

Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related field

Master’s degree or PhD in related discipline (preferred)

Job description

Snap Inc. is seeking a Software Engineer to join the Specs Security team. You will design, build, and harden on-device security systems for Specs, including permissions, access control, secure IPC, sandboxing, and trusted execution boundaries.

You will develop security and privacy controls for on-device AI features, improve fuzzing and automated testing, and advance validation pipelines across OS, firmware, and cloud-connected surfaces.