Senior Device Engineer

Accountabilities

• Build and maintain production-grade software that enables device discovery, fingerprinting, automation, and secure interactions across diverse network-connected systems.
• Design, develop, test, and deploy software solutions for identifying, fingerprinting, and interacting with embedded, IoT, and OT/ICS devices.
• Design, develop, test, and deploy software solutions for identifying, fingerprinting, and interacting with embedded, IoT, and OT/ICS devices.
• Build and enhance shared frameworks, services, interfaces, and tooling that support device automation capabilities.
• Analyze device communication methods using network captures, documentation, hands-on testing, and reverse engineering techniques.
• Translate undocumented protocols and device behaviors into reliable, automated product features.
• Contribute to system migrations, architectural improvements, and modernization initiatives.
• Troubleshoot complex production issues involving protocols, integrations, and difficult-to-reproduce device behaviors.
• Develop and maintain automated testing frameworks to ensure reliability and broad device coverage.
• Use AI-assisted development tools effectively for research, coding, debugging, documentation, and productivity improvements.
• Participate in code reviews, technical discussions, and engineering design decisions.
• Mentor other engineers and share technical expertise across the team.
• Partner with product, threat research, security research, and customer-facing teams to translate requirements into impactful engineering solutions.

Requirements

• 5+ years of experience as a software engineer delivering production-level software systems.
• Professional experience in cybersecurity, secure software development, or related security domains.
• Strong proficiency in Node.js, JavaScript, and TypeScript development.
• Experience with Go programming is highly valued.
• Strong understanding of network protocols, including TCP/IP, TLS, HTTP, authentication methods, and embedded or industrial communication protocols.
• Ability to analyze network traffic captures, understand device behavior, and develop fingerprints or automation patterns.
• Experience working with relational databases and data-driven applications.
• Strong knowledge of Unix/Linux environments, including debugging and performance analysis.
• Experience with Docker and containerized development and deployment workflows.
• Familiarity with cybersecurity best practices, vulnerability awareness, and secure coding principles.
• Experience using AI coding assistants and the ability to evaluate their output critically.
• Strong communication and collaboration skills with the ability to work effectively across technical and non-technical teams.
• Experience with industrial control systems, OT environments, embedded systems, or xIoT security is a plus.
• Ability to adapt, learn quickly, and operate successfully in an evolving technology environment.

Benefits

• Competitive annual salary of approximately $165,000, based on experience and qualifications.
• Competitive equity package.
• Comprehensive benefits plan.
• Remote-first work environment with flexibility to work from home.
• Opportunity to contribute to cybersecurity solutions protecting critical infrastructure worldwide.
• Collaborative culture built around transparency, trust, innovation, and mission-driven work.
• Opportunities for technical growth, mentorship, and professional development.