Software Engineer, Device Security – Level 4

SNAP/SNAP

. 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 security systems for embedded and Linux-based devices, focusing on access control, secure communications, and privacy-preserving features. Proficient in applied cryptography, threat modeling, and automated security validation across various system components.

Highest-signal resume keywords

Linux-Based System SecurityApplied CryptographyThreat ModelingVulnerability AssessmentSecure Software Architecture

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security AnalysisFuzzingStatic AnalysisDynamic AnalysisSecure Code ReviewAccess ControlSandboxingKey ManagementAuthenticationAuthorization

Tools & Technologies

On-Device Security SystemsContinuous Validation PipelinesAutomated Security TestingFirmwareAI/ML Systems

Industry Keywords

Embedded SystemsConnected Device SystemsPrivacy ControlsTrusted Execution BoundariesService Isolation

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, 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
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 similar languages
Preferred experience with on-device permission systems, access control frameworks, sandboxing, secure IPC, service isolation, least-privilege architectures, or 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
Compensation packages including equity in the form of RSUs
Default Together policy with in-office work 4+ days per week