Trail of Bits

Security Engineer

• Drive comprehensive security assessments and mentor team members.
• Lead threat modeling exercises and perform deep code analysis across modern and legacy codebases.
• Provide technical leadership across the Application Security team and develop methodologies.
• Work with C-level executives and engineering leaders at strategic clients, translating security findings into business impact.
• Collaborate with research to secure funding for advanced security research and contribute to publications.

Principal Security Engineer, Application Security

Systems Engineer

• Build and deploy internal tools that solve real operational challenges across engineering, operations, and go-to-market teams.
• Design AI-powered workflows that enhance team productivity, knowledge management, and decision-making.
• Create automation systems that eliminate manual processes and unlock team efficiency.
• Integrate AI capabilities (like Claude) into existing workflows and communication platforms like Slack.
• Collaborate directly with the CEO and senior leadership to identify high-impact opportunities and iterate rapidly on solutions.
• Ship production-ready code that becomes part of Trail of Bits' operational infrastructure.

Engineering – AI Systems Engineer

Blockchain Engineer

• Partner with Cryptography and Blockchain Engineering Directors to develop integrated marketing programs spanning awareness, consideration, conversion, and advocacy.
• Design and execute multi-channel campaigns including social media (X, LinkedIn, Bluesky), email marketing, webinars, and industry conferences that drive measurable pipeline and revenue growth.
• Create and manage content that showcases Trail of Bits' technical expertise, including case studies, blog posts, and technical documentation that resonates with technical and business audiences.
• Build and nurture strategic partnerships with blockchain projects, industry influencers, and key opinion leaders to amplify Trail of Bits' presence in the Web3 ecosystem.
• Provide sales support including collateral development, competitive intelligence, and prospect research to accelerate deal cycles.
• Establish analytics frameworks to measure program performance, ROI, and impact on pipeline and revenue, using data to continuously optimize campaigns.
• Monitor market trends, competitive landscape, and emerging opportunities within blockchain and cryptography sectors to inform strategic positioning.
• Represent Trail of Bits at industry events and in key community forums, building relationships and establishing thought leadership.

Technical Marketing Manager – Crypto, Blockchain

• Pursue your own AI/ML security research interests with support from Trail of Bits' research team, with opportunities to publish findings and present at leading conferences.
• Gain hands-on experience evaluating the security of state-of-the-art AI/ML systems deployed by top AI organizations, working on problems that represent the cutting edge of AI/ML security.
• Design and implement new attack methodologies, defensive techniques, and evaluation frameworks for adversarial AI/ML scenarios including model poisoning, adversarial examples, jailbreaks, and data extraction.
• Build and release AI/ML security tools and frameworks that benefit the broader research community, with support for open-source contribution as a core fellowship objective.
• Work alongside Trail of Bits' security research team, gaining exposure to security engineering practices while maintaining focus on research excellence.
• Produce publishable research, technical blog posts, and open-source tools that advance the state of AI/ML security understanding—with explicit support for academic publication.

Machine Learning Security Research Fellow

• Conduct original security research on cutting-edge machine learning systems, identifying novel attack vectors including adversarial examples, model poisoning, data extraction attacks, and jailbreaks for large language models and other foundation models.
• Work directly with top-tier AI organizations (frontier labs, leading AI companies) to assess the security posture of their most advanced ML systems, providing expertise that matches their internal research capabilities.
• Design and build novel security testing frameworks, evaluation methodologies, and open-source tools specifically for AI/ML security research—including adversarial robustness testing, model extraction detection, and automated vulnerability discovery systems.
• Develop comprehensive threat models for emerging AI/ML deployment patterns, anticipate future attack vectors, and establish security frameworks that can scale with rapidly evolving AI capabilities.
• Publish findings, present at security and AI/ML conferences, and contribute to the broader AI/ML security research discourse through papers, blog posts, and open-source contributions.
• Bridge AI/ML research and security engineering, translating complex adversarial AI/ML concepts to diverse stakeholders and working closely with Trail of Bits' broader security research teams.

Machine Learning Security Researcher

Who We Are: Founded in 2012 by 3 expert hackers with no investment capital, Trail of Bits is the premier place for security experts to boldly advance security and address technology’s newest and most challenging risks. Our combination of novel research with practical solutions reduces the security risks that our clients face from emerging technologies.
• Role: Trail of Bits seeks a Senior Security Engineer, Application Security within our growing Software Assurance practice. You will conduct comprehensive security assessments of client software with a focus on low-level code analysis, examining system architecture, security boundaries, access controls, and platform security mechanisms.
• Daily Tasks: Analyze vulnerabilities in application code, automate detection of security misconfigurations in cloud environments, assess privilege escalation capabilities, review security boundaries in complex systems, contribute to client projects, and build impactful tools.
• Research Collaboration: Collaborate with Research & Engineering team to secure government funding for advanced security research bridging vulnerability research and application security.
• What You’ll Achieve: Security Assessment, Security Tool Development, Architecture Review, Client Engagement, Research & Innovation.

Principal Security Engineer, Application Security

Engineering – AI Systems Engineer

Technical Marketing Manager – Crypto, Blockchain

Machine Learning Security Research Fellow

Machine Learning Security Researcher

Senior Application Security Engineer