Mechanical Engineer Intern

Job Description

About the Company:

Thornton Tomasetti is an independent organization dedicated to applying engineering and scientific principles to address global challenges. Comprised of creative thinkers and innovative doers, they collaborate from offices worldwide. Their mission is to bring clients’ ideas to life while simultaneously laying the groundwork for a more resilient future. The company is committed to supporting its employees, offering opportunities to help them achieve their full potential and cultivate rewarding careers.

Their Forensic practice specializes in investigating problems within the built environment. They provide evidence-based solutions grounded in rigorous science and physics. This practice assists a diverse range of clients, including attorneys, property managers, building owners, contractors, manufacturers, and design professionals, with various engineering and architectural issues.

Job Description: Mechanical Engineer Intern (Forensics Practice)

Thornton Tomasetti is offering a full-time fall internship opportunity for a Mechanical Engineer Intern within its Forensics Practice. This internship will run from September 2025 through December 2025.

The intern will work closely with a multi-disciplinary team of staff engineers and architects, providing assistance on a variety of tasks for active projects. While daily project work can vary significantly, typical responsibilities may include:

• On-site survey, investigation, and documentation of building conditions, with a focus on mechanical, electrical, plumbing (MEP), and fire protection systems.
• Assisting in the preparation of field notes.
• Supporting the engineering team in preparing technical and investigative reports to substantiate forensics findings and developing materials for presentations.
• Conducting review and research of applicable building codes, ASHRAe standards, and other relevant industry standards.
• Assisting the engineering team with the preparation of drawings and specifications, and providing support for construction administration services.

Required Skills:

• Familiarity and comfort with Microsoft Suite programs (e.g., Word, Excel, PowerPoint).
• Proficiency with CAD programs (e.g., AutoCAD).

Preferred Skills (a plus, but not required):

• Familiarity with Revit
• Familiarity with MicroStation
• Familiarity with Bluebeam