Structural Engineer Intern

Thornton Tomasetti • Philadelphia, PA

17h

About The Position

Thornton Tomasetti applies engineering and scientific principles to solve the world’s challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career. Our Protective Design & Security team prioritizes the protection of life and assets by mitigating consequences of security risks in the built environment. With more than 75 years of experience, our risk-led and strategic solutions safeguard people, property, and operations from intentional harm, evolving and emerging threats. Whether safeguarding a cultural landmark, securing a healthcare facility, or planning for crowd safety at a major event, our approach is grounded in intelligence, simulation, and human-centered design to deliver resilient solutions with demonstrable performance and lasting impact. Within our practice, you’ll be develop knowledge on how risk-based design brings together security planning, physical security, and electronic security to develop layered protection strategies. You’ll support the development of performance-based solutions—from secure site planning to physical hardening, access control, surveillance, and detection—and how these measures integrate with security operations. As a Structural Engineer Intern in our Protective Design & Security practice, you will support risk-led security strategies, hardened façades and structures, and secure site design for facilities and campuses across a range of sectors. You will gain exposure to threat-informed engineering, structural hardening, and protective design strategies that help mitigate security risks in the built environment.

Requirements

• Current undergraduate or graduate student pursuing 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.
• Ability to obtain a U.S. security clearance.

Nice To Haves

• Familiarity with design, visualization, documentation and computational tools such as Revit, AutoCAD, Rhino/Grasshopper, Adobe Creative Suite, Bluebeam, SAP2000, ETABS, or similar platforms is a plus.

Responsibilities

• Support engineering work involving blast effects, progressive collapse, structural hardening, and related topics.
• Assist with analysis, modeling, and calculation tasks related to protective design and physical security.
• Help prepare reports, calculations, technical summaries, and design documentation.
• Coordinate with architects, engineers, planners, and security specialists in a multidisciplinary team environment.
• Participate in on-site assessments, field surveys, and construction-phase activities.
• Build familiarity with TT’s collaborative culture, service offerings, and performance-based approach to protective design.

Benefits

• Medical, Dental, Vision, Life, AD&D, Disability and other voluntary benefits
• Flexible Spending Accounts for Medical & Childcare
• Paid Time Off, Family Leave for New Parents, Volunteer Time
• Tuition Reimbursement
• Commuter Transit (where available)
• 401k retirement savings with Company matching on employee contributions and/or qualified student loan repayments
• Fitness Reimbursement
• And other various wellness, diversity/inclusion and employee resource programs and initiatives

What This Job Offers

• Career Level: Intern
• Education Level: No Education Listed