About the role#
As a Structural Engineer Intern in the Protective Design and Security practice, you will support risk-led security strategies, hardened structures, and secure site design. You will gain exposure to threat-informed engineering and structural hardening strategies that help mitigate security risks in the built environment.
What you'll do#
- Support engineering work involving blast effects, progressive collapse, and structural hardening.
- Assist with analysis, modeling, and calculation tasks for protective design and physical security.
- Prepare reports, technical summaries, and design documentation.
- Coordinate with architects, engineers, planners, and security specialists in a multidisciplinary team.
- Participate in on-site assessments, field surveys, and construction-phase activities.
- Build familiarity with the firm's collaborative culture and performance-based approach to protective design.
What you'll need#
- Current undergraduate or graduate student status in civil or structural engineering or a related field.
- Interest in protective design, security, resilience, and hazard-resistant engineering.
- Strong analytical, written, and verbal communication skills.
- Familiarity with design, visualization, and computational tools such as Revit, AutoCAD, Rhino/Grasshopper, Adobe Creative Suite, Bluebeam, SAP2000, or ETABS.
- Ability to obtain a U.S. security clearance.
Location & details#
- Location: Philadelphia, Pennsylvania, USA.
- Work Modality: On-site.
- Employment Type: Full time.
- Compensation: This is a paid internship.
About Thornton Tomasetti
Thornton Tomasetti provides engineering and design services for a wide range of projects. The firm specializes in structural engineering, facade engineering, and building renewal. It also works on forensics, sustainability, and emergency response. Founded in 1949, the company is based in New York and employs over 2,000 people.
How to get in at Thornton Tomasetti
Applying early to Thornton Tomasetti gives you a clear advantage before the applicant 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. Getting your application in early often means it gets seen before the pile grows. You can also improve your response rates by reaching out to the recruiters behind the company's roles directly. Intern Insider surfaces these contacts so you can ask about the role or a referral. Connecting with the right person at Thornton Tomasetti often beats waiting in a queue.



