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    Mechanical Engineer Co-op

    Thornton Tomasetti logo

    Thornton Tomasetti

    We apply scientific and engineering principles to solve the world’s challenges — starting with yours.

    1,001-5,000 employeesFounded 1949New York, NYDesign Services
    Posted 76 days agoApply by Aug 19Actively hiringPaidWinter 2027Design Services

    Best applied by Aug 19

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    About the role#

    As a Mechanical Engineer Co-op in the Forensics practice, you will gain hands-on experience investigating HVAC and building system failures, damage, and performance issues. You will work across commercial, institutional, and specialty facilities, collaborating with multidisciplinary teams to develop engineering solutions for repair and mitigation.

    What you'll do#

    • Assist in field investigations of HVAC and building systems by documenting conditions and collecting data for analysis.
    • Support evaluations of system performance and failure modes using engineering tools and forensic techniques.
    • Help prepare technical reports and exhibits for clients and legal proceedings.
    • Collaborate with multidisciplinary teams to develop practical solutions for repair or mitigation.

    What you'll need#

    • Current undergraduate or graduate student pursuing a degree in mechanical engineering.
    • Strong academic record and a demonstrated interest in building systems and forensic problem-solving.
    • Experience with AutoCAD, Revit, or HVAC analysis tools is considered a plus but is not required.

    Location & details#

    • Location: New York, NY
    • Term: Winter 2027
    • Modality: On-site
    • Status: Full-time, paid position
    Relevant fieldsMechanical Engineering

    About Thornton Tomasetti

    Founded in 1949 and headquartered in New York, Thornton Tomasetti is a privately held design services firm with a workforce of 1,001 to 5,000 employees. The company utilizes scientific and engineering methods to support the design, construction, and performance of structures. Its technical specialties include structural and facade engineering, historic preservation, forensics, and property loss consulting for a wide variety of project types.

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    Thornton Tomasetti logoThornton Tomasetti
    Open internships3
    Employees1,001-5,000 employees
    Founded1949

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