Offensive Security Engineer, Horizon3.ai NodeZero

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Foresite Cybersecurity

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2013

🔒 Cybersecurity

☁️ SaaS

🤝 B2B

💰 Venture Round - Foresite on 2019-01

Cybersecurity • SaaS • B2B

Foresite Cybersecurity is a managed security services and SecOps company founded in 2013 that helps organizations of all sizes defend against modern cyber threats. It combines human cybersecurity expertise, a proprietary security and compliance management platform (ProVision), and partnerships with cloud providers (notably Google Cloud) and AI technologies to deliver monitoring, incident response, compliance, and security automation as a service. Foresite positions itself as a B2B partner and extension of clients' security teams, serving thousands of customers with managed detection and response, SOC services, and security engineering.

📋 Description

• Partner closely with internal Blue Teams, SOC Analysts, and client IT leaders to identify vulnerabilities, map attack paths, and validate remediations. • Configure, deploy, and manage the Horizon3.ai NodeZero platform across diverse multi-tenant client environments, covering internal, external, cloud, and hybrid infrastructures. • Schedule and execute continuous or on-demand autonomous penetration tests based on client risk profiles, compliance mandates, or zero-day threats. • Analyze complex NodeZero testing outputs to differentiate between theoretical vulnerabilities and actual, exploitable attack vectors. • Translate highly technical attack data into clear, risk-prioritized remediation strategies for client IT and security leaders. • Conduct strategic Quarterly Business Reviews (QBRs) to visually demonstrate client security posture improvements and measurable security outcomes over time.

🎯 Requirements

• 3–5 years of experience in cybersecurity, with at least 2 years working within an MSSP, SOC, or offensive security consulting team. • Deep understanding of penetration testing methodologies, the MITRE ATT&CK framework, and common network/cloud lateral movement techniques. • Proven hands-on experience with Horizon3.ai NodeZero (certification or accreditation under the Horizon3.ai Vanguard Partner Program is a major plus). • Strong grasp of enterprise networking (VLANs, firewalls, routing) and hybrid cloud architectures (AWS, Azure, GCP). • Exceptional ability to explain complex technical vulnerabilities and exploit chains to non-technical executive stakeholders. • Bachelor’s degree or equivalent practical experience. • Preferred Certifications: Horizon3.ai NodeZero Certified Professional / Administrator, CEH (Certified Ethical Hacker), CompTIA PenTest+, or OSCP (Offensive Security Certified Professional).

🏖️ Benefits

• Comprehensive Health & Wellness: Robust medical insurance options to keep you and your family healthy. • Employer-Covered Insurance: We fully provide employer-paid Dental coverage, as well as Short-Term (STD) and Long-Term Disability (LTD). • Generous Time Off: We believe in a true work-life balance. You’ll start with 3 weeks of paid vacation, plus additional sick leave and paid company holidays. • Growth & Mentorship: Access to world-class training. We support your career trajectory, whether you’re looking to deepen your technical skills or move into leadership. • Impactful Work: Help protect global clients using the latest AI-enhanced security tools and GCP native technologies.