About the role#
We are looking for an AI & Infrastructure Engineering Intern to join our team for the Winter 2027 term. This is a full-time, on-site role based in Devens, Massachusetts. You will work on meaningful projects that support our technical infrastructure and internal AI adoption.
What you'll do#
- Act as the first point of contact for employees using AI tools.
- Help colleagues build, version, and manage their own applications.
- Handle onboarding for AI tooling, including GitHub access and processing license requests via the Service Catalog.
- Guide teams through the process of creating and publishing marketplace plugins.
- Develop and maintain internal AI applications by implementing features and writing automated tests.
- Document current AI usage across the business and coach individuals to become self-sufficient developers.
- Turn recurring user questions into training content and internal documentation.
- Follow best practices for repository and file management.
What you'll need#
- Proficiency in Python backend development.
- Experience with Git and GitHub workflows, including branching, pull requests, and code reviews.
- Knowledge of LLM APIs, including prompt management, structured outputs, and tool use.
- Experience building or deploying an MCP server.
- Familiarity with RAG fundamentals, vector stores, and embeddings.
- Understanding of agent frameworks, observability, and evaluation tools.
- Basics of Docker and Linux.
- Understanding of authentication concepts like SSO and role-based access.
- Strong communication skills to work effectively with non-technical teams.
- Awareness of security and data-handling practices.
- Willingness to work nights, weekends, or on-call if required.
- Ability to perform physical tasks like typing, standing, or sitting for long periods.
- A commitment to safety to mitigate industrial hazards such as high voltage, cryogenics, and strong magnets.
- Currently enrolled in a Computer Science or Computer Engineering program.
Location & details#
- Location: Devens, Massachusetts.
- Term: Winter 2027.
- Modality: On-site.
- Commitment: Full-time (40-50 hours per week).
- Compensation: Paid position.
About Commonwealth Fusion Systems
Commonwealth Fusion Systems develops fusion power plants to supply clean energy. Founded in 2018 and based in Devens, Massachusetts, the company employs between 501 and 1,000 people. It specializes in energy technology and has created high-temperature superconducting magnets to support commercial fusion. The organization operates as a private entity.
How to get in at Commonwealth Fusion Systems
Applying early to Commonwealth Fusion Systems gives you a distinct advantage because recruiters review applications before the candidate pool grows too large. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you can be among the first to submit your materials. This ensures your profile is visible when the hiring team starts their initial search. You can also improve your response rates by reaching out to the people managing these roles directly. Intern Insider surfaces the recruiters behind the company's roles, allowing you to ask relevant questions or request a referral. Taking this step shows you are serious about the work and helps you stand out from the standard queue.



