AI Systems & Infra Engineer Intern

Commonwealth Fusion Systems LLC; Harvard (MA); On-site; USD 34,000 - 52,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) matching

Professional growth opportunities

Team-building activities

Job summary

Commonwealth Fusion Systems seeks an AI & Infrastructure Engineering Intern to join our team on-site in Devens, MA. The 26-week program provides meaningful, hands-on work building AI tooling and internal applications while collaborating with multiple business teams.

You will gain experience with Python backend development, GitHub workflows, and LLM tooling, while learning to manage AI projects and maintain observability and security practices across the stack.

Qualifications

• Authorized to work in the United States
• On-site internship in Devens, MA
• 26-week program with full-time hours (40–50)
• Projects vary by team and year in school

Responsibilities

• Serve as first-line support for employees using AI tools
• Set up GitHub and AI tool access
• Develop and maintain internal AI applications
• Document current AI usage and coach peers toward self-sufficiency AI development

Skills

Python backend

GitHub workflows

LLM APIs

Docker

Linux basics

Security awareness

Communication

Tools

MCP server

RAG tooling

Job description

Commonwealth Fusion Systems seeks an AI & Infrastructure Engineering Intern to join our team on-site in Devens, MA. The 26-week program provides meaningful, hands-on work building AI tooling and internal applications while collaborating with multiple business teams.

You will gain experience with Python backend development, GitHub workflows, and LLM tooling, while learning to manage AI projects and maintain observability and security practices across the stack.