Energy Modeling Intern - Spring 2026
Salas O'Brien
Support building energy modeling and analysis for sustainability projects.
16 days ago ago
Entry-level
Internship
Madison, WI
Office Full-Time
Company Size
3,850 Employees
Service Specialisms
Engineering
Consulting
Architecture
Design
Technical Services
Sector Specialisms
Process & Manufacturing
Civil
Aviation & Transportation
Building Science
District Systems
Decarbonization & Geothermal
Mechanical, Electrical, Plumbing, and Fire Protection
Structural
Role
What you would be doing
data input
energy modelling
report preparation
compliance modeling
sensitivity analysis
- Collect and input building design data (architectural, mechanical, electrical, occupancy, and schedules) into energy simulation tools.
- Assist in the creation of detailed energy models using software such as IES-VE, eQUEST, OpenStudio, EnergyPlus, or TRACE 3D Plus.
- Help prepare project documentation, reports, and visual presentations for internal and client use.
- Support compliance modeling for ASHRAE 90.1, LEED, and other sustainability rating systems.
- Stay current with building codes, modeling standards, and emerging energy technologies.
- Work with mechanical engineers and sustainability professionals to interpret results and propose design alternatives.
- Perform sensitivity analyses and review results to assess building performance and energy conservation opportunities.
What you bring
energy modeling
problem solving
mechanical engineering
teamwork
hvac
excel
- Familiarity with energy modeling or analysis software (preferred but not required).
- Strong analytical, organizational, and problem-solving skills.
- Working toward a Bachelor’s or Master’s degree in Mechanical Engineering, Architectural Engineering, Energy Engineering, or a related discipline.
- Ability to work collaboratively in a multidisciplinary team and communicate technical results clearly.
- Interest or coursework in building performance modeling, thermodynamics, HVAC systems, or sustainability.
- Proficiency in Microsoft Excel and general engineering software tools.
Information not given or found
Training + DevelopmentInformation not given or found
Interview process
Information not given or found
Visa SponsorshipInformation not given or found
Security clearanceInformation not given or found
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Company
Overview
$20 billion
Annual Construction Value
Generates $20 billion in annual construction value across 17,300+ projects each year.
95 offices
Global Presence
Expanded to over 95 offices delivering high-impact, complex projects worldwide.
#9
MEP Giants Ranking
Recognized as #9 in the MEP Giants ranking among top design firms.
25 firms
Acquisitions
Acquired over 25 firms since 2019 to bolster sector reach.
- Firm has grown through strategic mergers and innovation in engineering and technical consulting.
- Excels in designing built environments through MEP, structural, civil—and in energy via renewables, decarbonization, and resiliency.
- Stacks process design and integration expertise to serve pharmaceutical, food & beverage, utilities, and industrial clients.
- Offers advanced solutions including litigation support, digital twins, envelope testing, and automation controls.
- Work spans commercial, corporate, hospitality, healthcare, campuses, critical environments, and large infrastructure projects.
- Impacted nearly a billion square feet of building space annually and prides itself on seamless delivery—one design, one team.
- Recognize that we are all owners with direct influence on the success of our company.
- Do what is right, setting the standard for performance, integrity, and professionalism.
- Provide positive energy, passion, and commitment to everything we do.
- Embrace positive change and challenge the status quo.
- Encourage the growth of our owners through training and opportunities for leadership.
- Ensure the continuity of the firm through succession planning.
- Contribute meaningfully to our communities.
- Be open, direct, positive, and respectful to everyone.
- Promote teamwork through commitment and trust.
- Constructively communicate intentions and expectations.
- Have fun together.
- Recognize and reward accomplishments.
- Manage performance fairly and consistently.
- Attract and retain outstanding employee owners.
- Set and achieve ambitious goals.
- Be accountable for our actions.
- Properly plan and execute all projects to ensure a reasonable profit.
- Achieve life cycle cost savings for clients through resource conservation and sustainable design.
- Tailor designs to each project, balancing project cost, maintenance, and performance.
- Continuously improve our delivery to customers.
- Serve each client as though they’re our only client.
- Maintain a financially healthy firm.
- Capitalize on opportunities to strengthen the firm.
100% Offset
Operational Energy
In-house services offset 100% of operational energy through design.
~238,000 Homes
Solar Array Power
Engineered one of North America’s largest DoD solar arrays.
800k Metric Tons
GHG Savings
Annual emissions avoided by solar array.
800 Panels
PV System
Flagship Walgreens store features an 800-panel PV system.
- In‑house net zero architecture targets: offset 100% of operational energy through design services.
- Delivered flagship zero‑energy Walgreens store with geothermal, LED/daylight controls, LEED Platinum, Green Globes, Living Building Challenge, ASHRAE Technology Award.
- Support clients with climate‑related master planning (e.g., Princeton’s 180‑building conversion to low‑temp hot water system toward net zero by 2046).
- Designed CHP system for pharma plant aiming carbon neutrality by 2025 and carbon‑negative by 2030.
- Execute energy audits, resource‑efficiency plans, decarbonization consulting, energy modeling, lifecycle cost analysis, district energy systems, microgrids, geothermal/renewables.
- Firm offers full net‑zero and sustainability consulting services including LEED, WELL, Fitwel, SITES, Parksmart, Living Building Challenge.
- Publicly announced net zero service offerings; no stated corporate net zero target date.
- Fosters a diverse, equitable, and inclusive environment as part of its ESG model.
- Employee‑owner model: attracts and retains outstanding employee owners through fair performance management and recognition.
- Leadership is committed to building a broader talent pool representing a wider spectrum of backgrounds and experiences.
- No gender‑specific workforce statistics are available in public materials.
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