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Senior Product Security Engineer

United States, San Francisco 180000.00 - 230000.00 USD / Year · Job Posted January 19, 2026
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Job Description

Crusoe's mission is to accelerate the abundance of energy and intelligence. We’re crafting the engine that powers a world where people can create ambitiously with AI — without sacrificing scale, speed, or sustainability. Be a part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team that’s setting the pace for responsible, transformative cloud infrastructure. Crusoe AI is hiring a Senior Product Security Engineer to play a critical role in safeguarding our AI/ML focused cloud products and applications throughout their lifecycle. You will lead the development and enforcement of security best practices throughout the development lifecycle, perform in-depth threat modeling, conduct security assessments, and collaborate closely with product and engineering teams to enhance our security posture, ensuring the integrity of our cutting-edge solutions and the safety of customer data.

Job Responsibility

  • Collaborate with product and engineering teams to integrate security best practices into the software development lifecycle
  • Conduct threat modeling, security architecture reviews, design reviews, and code reviews for new product development
  • Perform penetration testing, vulnerability analysis, and security assessments of product features and systems
  • Develop and implement security automation tools to test and monitor code and software for vulnerabilities
  • Define and maintain secure coding standards and procedures for cloud and Kubernetes-based environments
  • Proactively identify and mitigate risks in user-facing flows and critical infrastructure
  • Drive security education, training, and mentorship to foster a culture of security awareness across teams
  • Identify and manage security vulnerabilities, ensuring they are documented, prioritized, and addressed efficiently

Requirements

  • 4-6+ years of experience in Information Security, with a focus on application or product security
  • Expertise in cloud platforms (AWS, GCP, or Azure)
  • Expertise in Kubernetes orchestration
  • Expertise in automation scripting (e.g., Python, Bash)
  • Adept at threat modeling and capable of identifying, evaluating, and mitigating risks in complex systems
  • Strong foundation in SDLC security (“Shift Left”) and secure coding practices
  • Experience implementing and managing vulnerability management programs and incident response protocols
  • Experience with Large Language Model (LLM) applications and AI/ML security is highly desirable
  • Self-motivated, an excellent communicator, and capable of collaborating across cross-functional teams
  • Embody the Company values

Nice to have

Experience with Large Language Model (LLM) applications and AI/ML security

What we offer

  • Restricted Stock Units
  • Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
  • Employer contributions to HSA accounts
  • Paid Parental Leave
  • Paid life insurance, short-term and long-term disability
  • Teladoc
  • 401(k) with a 100% match up to 4% of salary
  • Generous paid time off and holiday schedule
  • Cell phone reimbursement
  • Tuition reimbursement
  • Subscription to the Calm app
  • MetLife Legal
  • Company paid commuter benefit
  • $300 per month

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