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Job description
About 7AI
7AI is the foundational AI security company. Founded in 2024 by Cybereason co-founders Lior Div and Yonatan Striem-Amit, we came out of stealth in February 2025 to take on the non-human work of the SOC. Our platform pairs a federated SIEM with AI agents that detect, investigate, respond, and hunt, plus dedicated threat hunting and threat intelligence, with humans on the loop.
Backed by $166 million in total funding from investors including Index Ventures and Blackstone, we're building the AI foundation for security operations in the agentic era, and we're still early. That's the appeal: you'll join at a pivotal stage where your work shapes what 7AI becomes, alongside security veterans who've built this before. Our culture runs on respect, collaboration, and a shared bar for excellence, all pointed at one goal, delivering real outcomes for the customers who trust us to defend them.
Overview
Security operations centers are stuck doing work that shouldn't need a human at all, and most AI added to the SOC so far hasn't closed that gap. As Principal Security Engineer, you'll decide where AI can reliably take over detection, investigation, and response, and where it still needs a human in the loop. You'll shape platform strategy across cloud and enterprise environments, then work directly with customers as they rebuild their security operations around it.
What You'll Do
Lead our AI cybersecurity defense work, including incident response strategy, detection engineering, automated response, threat hunting, threat research, and security automation.
Collaborate with product, engineering, and research teams to shape the platform roadmap and our AI security solutions.
Work directly with customers, understand their security posture and processes, and guide their AI security transformation.
Build and automate realistic attack simulations, adversary emulation scenarios, and large-scale security environments.
Provide technical leadership and mentorship on security best practices, automation design, and incident response methodology.
What We're Looking For
15+ years of experience in cybersecurity, including significant time in SOC, Blue Team, Detection Engineering, Threat Hunting, or Incident Response roles, with strong experience in SOAR platforms and security automation frameworks.
Deep understanding of modern security operations, attacker methodologies, and enterprise security architectures.
Hands‑on coding experience with Python or similar languages.
Experience collaborating directly with customers.
Strong understanding of security concepts across endpoint, identity, cloud, and networking.
Excellent problem-solving, communication, and cross-functional collaboration skills.
Genuine interest in AI-driven security operations and autonomous defense systems.
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Worksite address
boston, MA, 02298, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.