Security Engineer 1, Application Security

Trail of Bits

Security Engineer 1 at Trail of Bits assessing client software vulnerabilities and developing security tools. Collaborating on threat modeling and client communication in a remote-first culture.

Posted 6/22/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $100,000 - $160,000 per yearWebsite

Tech Stack

Tools & technologies

GoJavaScriptPythonRustTypeScript

About the role

Key responsibilities & impact

Security Assessment Ownership - Lead security assessments for specific components within client engagements.
Vulnerability Discovery and Analysis - Find and validate vulnerabilities in application code and systems.
Custom Security Tooling - Design and build security testing tools and automation for vulnerability detection.
Architecture and Threat Modeling - Conduct threat modeling and architecture reviews of software systems.
Client Communication - Translate technical findings into clear, actionable recommendations for engineering teams.
Research and Innovation - Contribute to security research initiatives and stay on the cutting edge.

Requirements

What you’ll need

Demonstrable vulnerability research capability - Proven ability to find and validate real vulnerabilities.
Strong code analysis skills - You can read complex code, trace execution, identify logic flaws, and explain vulnerabilities.
Hands-on coding proficiency - Fluent in at least two of: Rust, Go, C, C++, Python, JavaScript, TypeScript, or similar.
Memory safety understanding - You understand memory corruption vulnerabilities and modern mitigations.
Systems knowledge - Deep familiarity with operating systems, IPC, privilege boundaries, and system internals.
Autonomous problem-solving - You drive your own work and ask good questions.
Clear technical communication - You can explain complex security findings to engineers.

Benefits

Comp & perks

Competitive salary complemented by performance-based bonuses.
Fully company-paid insurance packages, including health, dental, vision, disability, and life.
A solid 401(k) plan with a 5% match of your base salary.
20 days of paid vacation with flexibility for more, adhering to jurisdictional regulations.
4 months of parental leave to cherish the arrival of new family members.
$10,000 in relocation assistance to support your transition to NYC.
$1,000 Working-from-Home stipend to create a comfortable home office.
Annual $750 Learning & Development stipend for continuous growth.
Company-sponsored all-team celebrations to foster community and recognize achievements.
Philanthropic contribution matching up to $2,000 annually.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

vulnerability discoveryvulnerability analysissecurity testing toolsthreat modelingcode analysisRustGoCC++Python

Soft Skills

client communicationautonomous problem-solvingclear technical communication