Building Performance Intern

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 Sustainability & Resilience practice collaborates with clients and project partners to integrate successful green solutions into the planning, design, construction, and operation of buildings, reducing their environmental impact at every stage of their life cycle. We use whole system thinking and leading-edge analytical tools to develop innovative solutions that balance economic, social, and environmental factors. Our experienced team offers sustainable design strategies, energy analysis, green building certification consulting, sustainability analysis, and upgrades for existing structures, along with education and training.

The Role

Thornton Tomasetti is seeking a passionate team player to join our Sustainability & Resilience team as an intern to assist with building analytics projects, ranging from whole building energy modeling to embodied carbon lifecycle analysis services throughout the greater New York City area and beyond. This person will work closely with a multidisciplinary team of staff engineers and architects to provide assistance on a variety of tasks for active sustainability & resilience focused projects. This is a full-time internship for Summer 2026.

Responsibilities

While project work can vary greatly from day to day, typical tasks may include the following:

Research and analysis of utility energy cost data

Develop building geometry for assessment of daylight access and proposed energy use

Energy code research

Analysis and calculations to support backstop calculations and Passive House studies

Review of architectural or structural systems, with possible assistance on mechanical, electrical, fire protection, or plumbing systems as they relate to sustainability and resilience strategies

Review of existing project drawings and related documents

PowerPoint presentation preparation

Collaboration and coordination with other TT teams (i.e. Sustainability, Structures, Facades)

Assistance in project management

Opportunity to participate in TT summer events, outings, spot leagues

Requirements

Students should be familiar and comfortable with Microsoft Suite programs (i.e. Word, Excel, PowerPoint) and CAD programs (i.e. AutoCAD). Familiarity with any of the following programs is a plus, but is not required:

Bluebeam

InDesign

OneClick LCA

Familiarity with sustainability certifications (i.e. LEED, Passive House) is also a plus.

Incoming or current graduate students (Masters) in an engineering (civil, mechanical, environmental) and/or architectural program, who have previously completed an undergraduate engineering or architectural degree program, are preferred. If you are detail-oriented, collaborative, and interested in solving challenges in the built environment please apply to join our team.

Compensation

The rate for this position generally is $25 - $35 hourly. This range is a good faith estimate provided pursuant to the New York Pay Transparency Law. It is based on what a successful New York applicant might be paid and assumes that the successful candidate will be in New York or perform the position from New York. Similar positions located outside of New York will not necessarily receive the same compensation. Actual pay rates may vary from the range, as permitted by New York Equal Pay Transparency Law. Compensation offers will be based on various factors, including operational needs, individual education, qualifications and experience, work location and comparison to employee already in the role, as well as other considerations permitted by law. A potential new employee's pay history will not be used in compensation decisions.

Benefits

Depending on your employment status, benefits may include:

Medical, Dental, Vision, Life, AD&D, Disability and other voluntary benefits

Flexible Spending Accounts for Medical and 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

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Thornton Tomasetti is proud to be an equal employment workplace. Individuals seeking employment at Thornton Tomasetti are considered without regards to age, ancestry, color, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws.

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