Building Performance Engineering Intern | St Louis, MO

Building Performance Engineering Intern | St. Louis, MO

Join IMEG as a Building Performance Engineering Intern in St. Louis, MO, and shape a more sustainable future through real-world project experience. Over 10–12 weeks, you’ll contribute to building optimization, energy and carbon planning, and decarbonization strategies for large building portfolios. You’ll support the integration of energy and utility analytics, commissioning (Cx/RCx/MBCx), and BAS/metering optimization—aligning technical solutions with broader organizational goals—while gaining the skills, knowledge, and professional network to launch your career in building performance and sustainability. 

Principal Responsibilities 

Support performance optimization strategies for new and existing facilities 

Compile and analyze building data on energy use and carbon emissions 

Assist with planning and tracking energy and carbon performance 

Review building drawings, BAS data, and facility documentation 

Conduct site surveys, data collection, and technical calculations 

Prepare reports and utility incentive applications 

Attend internal and external meetings 

Identify and analyze energy efficiency measures 

Draft pre-functional checklists and conduct field testing 

Prioritize buildings and equipment for monitoring 

Manage issues logs and support corrective action planning 

Required Qualifications and Skills 

Completed at least 2 years towards a Bachelor of Science (BS) Degree in Engineering, or equivalent required 

Prior internship experience in the building design engineering industry preferred 

Strong verbal and written communication skills including, but not limited to, the ability to listen effectively, and solicit input from others 

Strong organizational skills including, but not limited to, the ability to handle multiple demands and assignments, the ability to prioritize tasks effectively and efficiently, and the ability to manage resource procurement and utilization 

Strong interest in the application and research of advanced technology 

Ability to fit into our culture of growth, innovation, accountability, and adaptability 

Knowledge and implementation experience of national and local energy conservation codes and local laws preferred 

Knowledge of local, state and federal tax rebate and incentive programs 

Knowledge of energy utilities, and operational and embodied carbon 

Proficient in Microsoft and MS Office Suite including but not limited to Word, Excel, and Outlook 

This position is not eligible for sponsorship. 

Why Join Us: 
At IMEG, people are our priority — with a solid focus on career growth, work-life balance, and making a meaningful impact. As a 100% employee-owned firm, we combine the resources of a national design leader with the supportive culture of a local office. You’ll work alongside colleagues from diverse disciplines, contribute to innovative and sustainable projects, and help shape the communities we serve. Join a team where ideas are welcomed, professional development is supported, and every contribution makes a difference. 

Building Performance Team Highlights: 

Work on projects that improve energy efficiency, reduce carbon emissions, and enhance comfort in new and existing buildings 

Use advanced modeling, analytics, and commissioning tools to identify and solve building performance challenges 

Collaborate with sustainability and engineering teams to implement strategies like optimized controls, envelope improvements, and right-sized mechanical systems 

Contribute to high-performance and net-zero building projects recognized for innovation in sustainability 

Locations available: 
St. Louis, MO

Apply today to shape the future of sustainable building performance. 

IMEG, an employee-owned corporation, is committed to investing in employees’ futures through professional development programs and opportunities for career advancement. We offer a comprehensive benefits package including generous PTO, flexible schedule, and assistance with tuition reimbursement. Additionally, employees are eligible to enroll in health, dental, vision, and life insurance on their first day of employment.

Want to learn more about IMEG and our other amazing career opportunities?  Please visit https://www.imegcorp.com/careers/. 

IMEG is committed to providing equal employment opportunities in all employment practices, without regard to race, color, religion, sex (including sexual orientation or gender identity), gender, national origin, disability, age, genetic information (including family medical history), parental status (including pregnancy, childbirth or related medical conditions including lactation), ethnic origin, hair type (including hairstyle or hair texture), citizenship status, marital status, military service, veteran’s status, political affiliation, non-merit-based factors, or any other characteristic protected by law. In accordance with antidiscrimination law, it is the purpose of this policy to put into effect these principles and mandates. IMEG prohibits discrimination and harassment of any type. IMEG conforms to the spirit as well as to the letter of all applicable laws and regulations.

All applicants have the right to request access, correction, and deletion of their personal information from our system. In order to make a request, please email careers@imegcorp.com.