Senior Windows Security Engineer - Remote

1Password LLC; United States; Remote; USD 153,000 - 214,000; Full time

Benefits offered by this job

Health benefits

401k matching

Generous PTO

Remote‑first

Job summary

1Password is seeking a Senior Developer for the Device Security squad to drive next‑gen security features across our platforms, including macOS, iOS, Android, Windows, Linux and Web. You will help shape secure coding practices, resolve vulnerabilities, and guide product teams toward safer engineering.

You’ll work with Rust, C/C++, Go or TypeScript, focusing on Windows security, cryptography topics, and threat modeling while mentoring teammates and collaborating across Design, QA and security

Qualifications

• 4+ years of software development with a security focus.
• Experience with Windows security features (Hello, BitLocker, Secure Boot, Credential Guard).
• Proficiency in Rust, C/C++, Go or TypeScript; knowledge of FFI for Windows.

Responsibilities

• Implement security features across 1Password apps (macOS, iOS, Android, Windows, Linux, Web).
• Lead secure coding practices and guide product teams.
• Mentor junior engineers and review code for quality and security.

Skills

Rust

C/C++

Security Dev

Windows Security

Threat Modeling

Communication

Product Security

Agentic AI

Tools

GitHub

GitLab

CI/CD

Job description

1Password is seeking a Senior Developer for the Device Security squad to drive next‑gen security features across our platforms, including macOS, iOS, Android, Windows, Linux and Web. You will help shape secure coding practices, resolve vulnerabilities, and guide product teams toward safer engineering.

You’ll work with Rust, C/C++, Go or TypeScript, focusing on Windows security, cryptography topics, and threat modeling while mentoring teammates and collaborating across Design, QA and security