Software Engineer, Device Security, Level 4

Snap Inc.

. Design, build, and harden on-device security systems for Specs, including permissions, access control, secure IPC, sandboxing, and trusted execution boundaries .

Posted 9/17/2026full-timeSan Diego • California • United StatesJuniorMid-Level💰 $157,000 - $235,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing on-device security systems, with a strong focus on applied cryptography, access control, and secure communications. Proficient in security analysis and validation techniques across embedded and Linux-based systems.

Highest-signal resume keywords

On-Device Security Systems DesignApplied CryptographyLinux-Based System SecuritySecurity Analysis and Threat ModelingFuzzing and Automated Security Validation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security Feature DevelopmentVulnerability AssessmentSecure Code ReviewDynamic AnalysisStatic AnalysisKey ManagementAuthenticationAuthorizationSandboxingAccess Control

Tools & Technologies

LinuxEmbedded SystemsAI/ML SystemsSecure IPCTrusted Execution Technologies

Industry Keywords

Platform HardeningLeast-Privilege DesignService IsolationPrivacy-Preserving ControlsDevice Provisioning

Tech Stack

Tools & technologies

CloudLinuxRustC++

About the role

Key responsibilities & impact

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 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

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, a related technical field, or equivalent practical experience
2+ years of experience building security, privacy, or platform protection features for Linux-based, embedded, mobile, wearable, or connected device systems
Experience with applied cryptography, authentication, authorization, secure communications, key management, threat modeling, vulnerability assessment, or system security for embedded or Linux-based systems
Knowledge of Linux-based system security and embedded operating systems
Knowledge of 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
Ability to perform security analysis, threat modeling, vulnerability assessment, secure code review, fuzzing, static analysis, dynamic analysis, and automated security validation across OS, firmware, and AI/ML system boundaries
Preferred: Master’s degree or PhD in a related technical discipline
Preferred: 5+ years of experience developing production software in C, C++, Rust, or other programming languages
Preferred experience with on-device permission systems, access control frameworks, sandboxing, secure IPC, service isolation, least-privilege architectures, and privacy-preserving controls
Preferred experience securing on-device AI, ML, or assistant-like systems
Preferred experience with trusted execution technologies, secure manufacturing, device provisioning, attestation, anti-rollback, secure debug, lifecycle state management, fuzzing, automated security validation, or platform-level vulnerability hardening

Benefits

Comp & perks

Paid parental leave
Comprehensive medical coverage
Emotional and mental health support programs
Equity in the form of RSUs
Compensation packages that let employees share in Snap’s long-term success
Default Together approach with in-office collaboration 4+ days per week