Sustainability Intern at Thornton Tomasetti in Portland, ME | Kablio

Thornton Tomasetti

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Sustainability Intern

Thornton Tomasetti

Global science‑driven engineering firm offering structural, forensic, façade, civil and applied‑science consulting.

Assist in energy analysis, LCA, and green certification for sustainable building projects.

4 days ago ago

Entry-level

Internship

Portland, ME

Office Full-Time

Company Size

1,500 Employees

Service Specialisms

structural engineering

facade engineering

forensic engineering

sustainable design

construction engineering

resilience engineering

applied science

protective design and security

Sector Specialisms

Industrial

Energy

Infrastructure

Buildings

Residential

Commercial

Water Resources

Heavy Civil

Role

Description

energy analysis

data visualization

tool development

certification docs

life cycle analysis

project reports

Responsible for energy analysis, data visualization, tool development, and holistic sustainability considerations.
Assisting with analysis and documentation of various certification programs including LEED, WELL, Fitwell, Passive House, SITES, Living Building Challenge, and others.
Performing whole building Life Cycle Analysis for various projects.
Participate in project meetings, workshops, and charrettes.
Development of project deliverables including but not limited to project reports and memos.

Requirements

green rating

energyplus

grasshopper

ladybug

adobe

engineering

Experience/ familiarity with green building rating systems.
Experience in Energy Plus, Grasshopper, the Ladybug suite of tools, and the Adobe Suite is a plus.
Excellent academic record.
Undergraduate or graduate student with a concentration in engineering or architecture.

Benefits

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

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

Founded in 1949

Year Established

The company was established in 1949 and has since expanded into a global engineering leader.

Merged in 2015

Year of Merger

The merger of Weidlinger Associates and Thornton‑Tomasetti Group occurred in 2015, combining their expertise to form a cohesive engineering firm.

Delivers expertise in structural, façade, forensic, civil, bridge, and applied‑science engineering.
Known for high‑profile projects like Taipei 101, Petronas Towers, and disaster recovery efforts post‑9/11 and Hurricane Sandy.
Operates an internal R&D unit, CORE studio, driving innovation via computational modeling, AI, and software tools.
Services span from supertall buildings and long‑span structures to transportation infrastructure and protective design.
Combines deep engineering know‑how with cutting‑edge technology to tackle complex design challenges worldwide.

Culture + Values

Client-centered approach
Creative, collaborative, and innovative solutions
Commitment to excellence
Sustainability-driven design
Global leadership in engineering and architecture
Collaborative team culture

Environment + Sustainability

2050

Net Zero Target Year

Aiming to achieve net zero carbon emissions by the year 2050.

Developing sustainable designs for climate-resilient infrastructure
Use of advanced modeling and simulations to optimize building performance
Focus on reducing carbon emissions in projects
Track record of leading projects with high sustainability standards, such as LEED-certified buildings

Inclusion & Diversity

Promotion of diverse talent and inclusion in the workplace
Continual focus on creating an inclusive work environment
Gender diversity initiatives
Programs and support for career advancement of underrepresented groups

Articles

Careers & Culture

Executive Message (Co‑CEO)

Sustainability Procurement Practices

Glassdoor Q&A (employee experiences)