Senior Product Security Engineer Job at Crusoe (San Francisco)

Senior Product Security Engineer

Crusoe

Location:
United States , San Francisco

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

180000.00 - 230000.00 USD / Year

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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

Additional Information:

Job Posted:
January 19, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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