Senior Product Security Engineer, Crusoe Energy Systems
$180-230k
+ Restricted Stock Units
Renewable-powered AI infrastructure
Open for applications
Renewable-powered AI infrastructure
501-1000 employees
Open for applications
$180-230k
+ Restricted Stock Units
501-1000 employees
Company mission
To accelerate the abundance of energy and intelligence.
Role
Who you are
- You have 4-6+ years of experience in Information Security, with a focus on application or product security
- You bring expertise in cloud platforms (AWS, GCP, or Azure), Kubernetes orchestration, and automation scripting (e.g., Python, Bash)
- You are adept at threat modeling and capable of identifying, evaluating, and mitigating risks in complex systems
- You have a strong foundation in SDLC security (“Shift Left”) and secure coding practices
- You have 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
- You are self-motivated, an excellent communicator, and capable of collaborating across cross-functional teams
- Embody the Company values
What the job involves
- 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
- 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
Our take
Crusoe is tackling one of the biggest challenges facing the digital age: the enormous energy demand of data centres and AI infrastructure. As AI models grow more powerful, they require immense computing power (and therefor electricity) to train and operate. This surge in energy use has put some pressure on power grids, driven up costs, and raised environmental concerns. Crusoe is on a mission to make this process more sustainable by finding smarter, cleaner, and more efficient ways to power the data centres that drive modern computing.
The company started out by putting wasted energy to work. Originally known as Crusoe Energy, it captured natural gas that would otherwise be burned off ("flared") at remote oil sites and used it to power modular data centres. Today, Crusoe has evolved into a major player in AI infrastructure, designing and operating large-scale data centres near renewable or stranded energy sources. It's now one of a handful of "neocloud" companies (next-generation cloud providers focused on flexible, efficient computing for AI workloads). And its facilities are helping tech giants like OpenAI handle the massive computing requirements of training advanced AI models.
Recently, Crusoe has attracted some huge investor attention, tripling its valuation to over $10B and raising $1.4B in its latest funding round. It's building OpenAI's first major US data centre campus and even experimenting with bold new frontiers. In partnership with Starcloud, Crusoe plans to deploy the world's first space-based cloud computing infrastructure, powered by solar energy and orbiting the Earth by 2027. If successful, this could redefine how and where computing happens, opening up a cleaner, virtually limitless source of energy for AI's next generation.
Steph
Company Specialist at Welcome to the Jungle
Insights
31% employee growth in 12 months
Company
Funding (last 2 of 6 rounds)
Oct 2025
$1.4bn
SERIES E
Dec 2024
$600m
SERIES D
Total funding: $2.5bn
Company benefits
- Health & wellbeing: Comprehensive health benefits designed to support your overall wellness
- Time away: Paid time off for vacations, family bonding, and unexpected needs
- 401(k) match: Build your financial future with our 401(k) matching program
- Mental wellness: Resources and support for your emotional wellbeing and navigating life's challenges
Company HQ
LoDo, Denver, CO
Leadership
Cully Cavness
(Co-Founder, COO & President)Began their career as an Energy Infrastructure Research Fellow before spending 3 years as a Business Development Manager at Recurrent Engineering and serving as CFO of Sword & Plough. They left their role as VP of Highlands Natural Resources to co-found Crusoe Energy Systems.
Chase Lochmiller
(Co-Founder & CEO)Prior to co-founding Crusoe in 2018, Chase was a General Partner at Polychain Capital, a Quantitative Trade at Jump Trading Group, and a Managing Director of Algorithmic Trading at KCG Holdings.
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