
51 - 200 employees
Founded 2019
Horizon3.ai's mission is to help you find and fix attack vectors before attackers can exploit them. NodeZero, our autonomous penetration testing solution, enables organizations to continuously assess the security posture of their enterprise, including external, identity, on-prem, IoT, and cloud attack surfaces.
🕒 May 21
🇺🇸 United States – Remote
💵 $280k - $315k / year
⏰ Full Time
🔴 Lead
👮♂️ Cybersecurity / Security Engineer
Improve your chances of getting an interview by checking your resume score before you apply.

51 - 200 employees
Founded 2019
Horizon3.ai's mission is to help you find and fix attack vectors before attackers can exploit them. NodeZero, our autonomous penetration testing solution, enables organizations to continuously assess the security posture of their enterprise, including external, identity, on-prem, IoT, and cloud attack surfaces.
• Lead the strategy, design, and development of the core pentest execution, orchestration, and data infrastructure • Manage four engineering teams responsible for building and scaling the platform systems • Partner closely with Product, Proactive Offense, and GTM teams to define platform requirements • Mentor technical leads in building resilient, distributed systems • Collaborate across engineering, product, and GTM to align platform roadmap with business priorities
• Proven experience leading and scaling engineering teams in platform or infrastructure development, ideally within a fast-paced startup or growth-stage environment. • Strong technical background in distributed systems, platform architecture, and large-scale automation, with hands-on experience in system design, orchestration, data pipelines, or infrastructure automation. • Demonstrated success taking platform or infrastructure products from concept to market, including driving architectural decisions, POCs, and production launches at scale. • Bachelor's or Master's degree in Computer Science, Engineering, or a related field (or equivalent experience).
• Health, vision & dental insurance for you and your family • Flexible vacation policy • Generous parental leave • Equity package in the form of stock options • Inclusive team promoting an inclusive culture • Growth opportunities within a dynamic and growing team
Apply Now🕒 May 20
Security Governance and Risk Manager ensuring governance and compliance across global operations. Drive security initiatives and cultivate a Security-by-Design culture with international teams.
🕒 May 20
Akamai WAF/CDN Security Architect supporting onboarding of applications on Akamai CDN and WAF platforms. Leading edge security implementation and CDN operations as a technical leader.
🇺🇸 United States – Remote
⏰ Full Time
🟠 Senior
🔴 Lead
👮♂️ Cybersecurity / Security Engineer
🦅 H1B Visa Sponsor
🕒 May 20
Principal Security Advisor supporting sales engagements and driving security architecture communication at Vultr. Responsible for technical validation and customer trust in cloud security solutions.
🇺🇸 United States – Remote
💵 $160k - $175k / year
🔥 Funding within the last year
💰 $329M Debt Financing - Vultr on 2025-06
⏰ Full Time
🔴 Lead
👮♂️ Cybersecurity / Security Engineer
🕒 May 19
1001 - 5000
Presales Cybersecurity Advisor responsible for designing security solutions leveraging Cisco and Splunk technologies for Optiv’s clients. Focus on pipeline generation, sales strategies, and maintaining client relationships.
🇺🇸 United States – Remote
⏰ Full Time
🟠 Senior
🔴 Lead
👮♂️ Cybersecurity / Security Engineer
🦅 H1B Visa Sponsor
🕒 May 19
Staff Security Architect focused on security architecture and assessments for Kraken's crypto products. Collaborating with diverse teams to enhance security practices in a remote environment.
🇺🇸 United States – Remote
💵 $127.2k - $254.4k / year
⏰ Full Time
🔴 Lead
👮♂️ Cybersecurity / Security Engineer