Product Security Applied AI Intern, Summer 2026

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.

About the Role:

We are seeking a motivated Summer Intern to help build and experiment with custom agents, large language models, and next-generation cloud technologies. This is a learning-first role—you’ll gain hands-on experience in AI development, cloud workflows, and security tradecraft while contributing to meaningful projects.

This is a 12-week in-person program based in our Bay Area offices. While we have two locations- Sunnyvale and San Francisco, most events and programming will take place in San Francisco.

You must be available to work during one of the following date ranges:

• May 18, 2026 - August 7, 2026

• June 1, 2026-August 21, 2026

• June 15, 2026- September 4, 2026

What you’ll do

• Assist in designing and implementing custom LLMs and fine-tuning models for specific tasks.

• Build and experiment with agent libraries and workflow orchestration frameworks.

• Explore neo-cloud technologies, containerized environments, and virtualized infrastructure.

• Learn and apply security and privacy best practices in AI pipelines and deployments.

• Collaborate with the team to document, test, and optimize agent behaviors and models.

• Participate in knowledge sharing and mentorship sessions, gaining exposure to AI, cloud, and security tradecraft.

What you’ll Bring

• Educational Background: Currently pursuing a Bachelor’s or Master’s Degree in Computer Science, Machine Learning or Related Field graduating by Fall 2026 or Spring 2027.

• Programming: You are familiar with coding in a language such as Python, Rust, Go, etc., experience with PyTorch and TensorFlow is a plus

• Foundational Knowledge: You're familiar with computer science fundamentals, including data structures and algorithm design as well as familiarity with the AI/ML stack.

• Collaborative Mindset: You are a proactive communicator who enjoys working closely with a team to solve challenging problems.

• Problem-Solving Skills: You have a curious and analytical mindset with a talent for troubleshooting and optimizing complex systems.

• Familiarity with NLP data processing, transformer architectures, and fine-tuning

• Curiosity about security, privacy, and threat modeling, building systems, experimenting, and safely “breaking” things to understand and secure them

• Experience with virtualization (VMs), containerization (Docker), and cloud platforms (AWS, GCP, Azure) is a plus!

• Understanding of modular and workflow design; OOP and algorithms are a plus!

• Knowledge of state and memory management for agents

• Experience with LLM APIs (OpenAI, Hugging Face, etc.)

• Basic familiarity with concurrency / async programming and data structures

Benefits:

• Compensation will be $1,905/per week and a one-time housing stipend

• Access to HealthiestYou and Calm

• Paid Holiday and Volunteer Days

Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.