Principal Software Engineer

Summary

Join runZero, a fully remote company with a strong customer base and a collaborative culture, as a Principal Software Engineer. You will lead complex technical initiatives, define technical strategy for critical product areas, and research advanced vulnerability detection techniques. This role requires extensive experience in enterprise software development and cybersecurity, along with strong leadership and communication skills. runZero offers excellent benefits, including platinum-level health insurance, 4% 401k matching, unlimited PTO, and equity. The salary range is $225k-$275k plus stock options. The position is open to applicants in the United States and the United Kingdom.

Requirements

• 15+ years of experience building enterprise software applications
• Deep subject matter expertise in cybersecurity, particularly in vulnerability assessment, exploit development, misconfiguration detection, and risk mitigation
• Proven ability to troubleshoot and resolve complex operational issues in production environments
• Extensive experience building network scanners, implementing and reverse engineering network protocols, and working with network layers, computer architecture, and operating systems
• A history of full software development lifecycle experience, from architecture and prototyping to implementation, testing, and maintenance
• Demonstrated proficiency in Go and Javascript
• Hands-on experience with security tools, including Nmap, Nuclei, Wireshark, and Metasploit
• A track record of leading and influencing high-performing software teams
• Exceptional problem-solving, interpersonal, and communication skills—both written and oral

Responsibilities

• Lead complex technical initiatives from ideation to implementation, delivering scalable, high-performing, and secure solutions
• Define and own the technical strategy for critical product areas, driving architecture and process improvements
• Research, assess, and develop advanced techniques for detecting vulnerabilities, exploits, misconfigurations, and security risks
• Design and integrate a modular vulnerability detection engine into our lightweight performant Go scanner
• Architect and implement new features for our enterprise SaaS platform, ensuring seamless scalability and security
• Diagnose and resolve production issues and software bugs, ensuring system reliability and performance
• Collaborate cross-functionally with researchers and engineers to incorporate vulnerability intelligence into our platform
• Mentor, coach, and develop engineering talent, fostering a culture of technical excellence
• Evangelize the successful adoption of best-in-class technologies, tooling, and engineering processes to drive efficiency and innovation

Benefits

• Top of the line medical, dental, vision, life and disability coverages with runZero paying for 100% of the premium
• A stock option plan consistent with early stage, rapidly-growing startups
• A competitive salary composed of cash and equity compensation
• Unlimited PTO (We encourage everyone to take at least 25 days a year)
• 4% 401(k) matching program